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The Recovered Territories or Regained Lands ( pl, Ziemie Odzyskane), also known as Western Borderlands ( pl, Kresy Zachodnie), and previously as Western and Northern Territories ( pl, Ziemie Zachodnie i Północne), Postulated Territories ( pl, Ziemie Postulowane) and Returning Territories ( pl, Ziemie Powracające), are the
former eastern territories of Germany The former eastern territories of Germany (german: Ehemalige deutsche Ostgebiete) refer in present-day Germany to those territories east of the current eastern border of Germany i.e. Oder–Neisse line which historically had been considered Ger ...
and the Free City of Danzig that became part of
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
after
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
, at which time their former German inhabitants were forcibly deported. The rationale for the term "Recovered" was that these territories formed part of the Polish state, and were lost by Poland in different periods over the centuries. It also referred to the
Piast Concept The Piast Concept is a political idea of Polish state based on its initial territories under the Piast dynasty, containing a mostly Polish population. It holds that Poland, composed of mostly Polish territories in the west during Middle Ages, ...
that these territories were part of the traditional Polish homeland under the Piast dynasty, after the establishment of the state in the
Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
. Over the centuries, however, they had become predominantly German-speaking through the processes of German eastward settlement (), political expansion (), as well as
language shift Language shift, also known as language transfer or language replacement or language assimilation, is the process whereby a speech community shifts to a different language, usually over an extended period of time. Often, languages that are percei ...
due to assimilation (see also: '' Germanisation'') of local
Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, w ...
, Slavic and
Baltic Prussian Old Prussians, Baltic Prussians or simply Prussians (Old Prussian: ''prūsai''; german: Pruzzen or ''Prußen''; la, Pruteni; lv, prūši; lt, prūsai; pl, Prusowie; csb, Prësowié) were an indigenous tribe among the Baltic peoples that in ...
population. Therefore, aside from certain regions such as West Upper Silesia,
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
and
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
, as of 1945 most of these territories did not contain sizeable Polish-speaking communities. While most regions had long periods of Polish rule, spanning hundreds of years, some were controlled by Polish dukes and kings for short periods of up to several decades at a time. Various regions, after losing power over them by Poland, were in different times under the authority of the Bohemian (Czech) Kingdom,
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the ...
,
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
, Sweden,
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...
,
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...
,
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an ...
, and all of these territories to 1920/1945 were part of
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
. Many areas were also part of various Polish-ruled duchies, created as a result of the
fragmentation of Poland The period of rule by the Piast dynasty between the 10th and 14th centuries is the first major stage of the history of the Polish state. The dynasty was founded by a series of dukes listed by the chronicler Gall Anonymous in the early 12th cen ...
, which began in the 12th century. The fact that some regions were located within the borders of Poland for a short time is used by opponents of the term to suggest that the argument of traditional Polish homeland is based rather on nationalistic ideas than on historical facts, although all these areas were at some point under Polish rule, and many regions have a rich Polish history. The great majority of the previous inhabitants either
fled ''Fled'' is a 1996 American buddy action comedy film directed by Kevin Hooks. It stars Laurence Fishburne and Stephen Baldwin as two prisoners chained together who flee during an escape attempt gone bad. Plot An interrogator prepares a man to ...
from the territories during the later stages of the war or were expelled by the Soviet and Polish communist authorities after the war ended, although a small German minority remains in some places. The territories were resettled with Poles who moved from central Poland, Polish repatriates forced to leave areas of former eastern Poland that had been annexed by the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
, Poles freed from forced labour in Nazi Germany, with
Ukrainians Ukrainians ( uk, Українці, Ukraintsi, ) are an East Slavic ethnic group native to Ukraine. They are the seventh-largest nation in Europe. The native language of the Ukrainians is Ukrainian. The majority of Ukrainians are Eastern Ort ...
forcibly resettled under "
Operation Vistula Operation Vistula ( pl, Akcja Wisła; uk, Опера́ція «Ві́сла») was a codename for the 1947 forced resettlement of 150,000 Ukrainians (Boykos and Lemkos) from the south-eastern provinces of post-war Poland, to the Recovered Te ...
", and other minorities, which settled in post-war Poland, including
Greeks The Greeks or Hellenes (; el, Έλληνες, ''Éllines'' ) are an ethnic group and nation indigenous to the Eastern Mediterranean and the Black Sea regions, namely Greece, Cyprus, Albania, Italy, Turkey, Egypt, and, to a lesser extent, oth ...
and Macedonians. However, contrary to the official declaration that the former German inhabitants of the Recovered Territories had to be removed quickly to house Poles displaced by the Soviet annexation, the Recovered Territories initially faced a severe population shortage. The Soviet-appointed communist authorities that conducted the resettlement also made efforts to remove many traces of German culture, such as place names and historic inscriptions on buildings, from the newly Polish territories. The post-war border between Germany and Poland (the
Oder–Neisse line The Oder–Neisse line (german: Oder-Neiße-Grenze, pl, granica na Odrze i Nysie Łużyckiej) is the basis of most of the international border between Germany and Poland from 1990. It runs mainly along the Oder and Lusatian Neisse rivers a ...
) was recognized by
East Germany East Germany, officially the German Democratic Republic (GDR; german: Deutsche Demokratische Republik, , DDR, ), was a country that existed from its creation on 7 October 1949 until its dissolution on 3 October 1990. In these years the state ...
in 1950 and by
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
in 1970, and was affirmed by the re-united Germany in the
German–Polish Border Treaty The German–Polish Border Treaty of 1990; pl, Traktat między Rzeczpospolitą Polską a Republiką Federalną Niemiec o potwierdzeniu istniejącej między nimi granicy) finally settled the issue of the Polish–German border, which in terms ...
of 1990.


History before 1945

Several different
West Slavic tribes West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some R ...
inhabited most of the area of present-day Poland from the 6th century. Duke Mieszko I of the Polans, from his stronghold in the
Gniezno Gniezno (; german: Gnesen; la, Gnesna) is a city in central-western Poland, about east of Poznań. Its population in 2021 was 66,769, making it the sixth-largest city in the Greater Poland Voivodeship. One of the Piast dynasty's chief cities, ...
area, united various neighboring tribes in the second half of the 10th century, forming the first Polish
state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...
and becoming the first historically recorded
Piast The House of Piast was the first historical ruling dynasty of Poland. The first documented Polish monarch was Duke Mieszko I (c. 930–992). The Piasts' royal rule in Poland ended in 1370 with the death of king Casimir III the Great. Branche ...
duke. His realm roughly included all of the area of what would later be named the "Recovered Territories", except for the Warmian-Masurian part of Old Prussia and eastern
Lusatia Lusatia (german: Lausitz, pl, Łużyce, hsb, Łužica, dsb, Łužyca, cs, Lužice, la, Lusatia, rarely also referred to as Sorbia) is a historical region in Central Europe, split between Germany and Poland. Lusatia stretches from the Bóbr ...
. Mieszko's son and successor, Duke
Bolesław I Chrobry Boleslav or Bolesław may refer to: In people: * Boleslaw (given name) In geography: *Bolesław, Dąbrowa County, Lesser Poland Voivodeship, Poland *Bolesław, Olkusz County, Lesser Poland Voivodeship, Poland *Bolesław, Silesian Voivodeship, Pol ...
, upon the 1018
Peace of Bautzen The Peace of Bautzen (; ; ) was a treaty concluded on 30 January 1018, between Holy Roman Emperor Henry II and Bolesław I of Poland which ended a series of Polish-German wars over the control of Lusatia and Upper Lusatia (''Milzenerland'' or ...
expanded the southern part of the realm, but lost control over the lands of Western
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
on the Baltic coast. After fragmentation, pagan revolts and a Bohemian invasion in the 1030s, Duke
Casimir I the Restorer Casimir I the Restorer (; 25 July 1016 – 28 November 1058), a member of the Piast dynasty, was the duke of Poland from 1040 until his death. Casimir was the son of Mieszko II Lambert and Richeza of Lotharingia. He is known as the Restorer beca ...
(reigned 1040–1058) again united most of the former Piast realm, including
Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...
and
Lubusz Land Lubusz Land ( pl, Ziemia lubuska; german: Land Lebus) is a historical region and cultural landscape in Poland and Germany on both sides of the Oder river. Originally the settlement area of the Lechites, the swampy area was located east of Branden ...
on both sides of the middle Oder River, but without Western Pomerania, which became part of the Polish state again under
Bolesław III Wrymouth Bolesław III Wrymouth ( pl, Bolesław III Krzywousty; 20 August 1086 – 28 October 1138), also known as Boleslaus the Wry-mouthed, was the duke of Lesser Poland, Silesia and Sandomierz between 1102 and 1107 and over the whole of Poland between ...
from 1116 until 1121, when the noble
House of Griffins The House of Griffin or Griffin dynasty (german: Greifen; pl, Gryfici, da, Grif) was a dynasty ruling the Duchy of Pomerania from the 12th century until 1637. The name "Griffins" was used by the dynasty after the 15th century and had been take ...
established the
Duchy of Pomerania The Duchy of Pomerania (german: Herzogtum Pommern; pl, Księstwo Pomorskie; Latin: ''Ducatus Pomeraniae'') was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania (''Griffins''). The country ha ...
. On Bolesław's death in 1138, Poland for almost 200 years was subjected to fragmentation, being ruled by Bolesław's sons and by their successors, who were often in conflict with each other.
Władysław I the Elbow-high Władysław is a Polish given male name, cognate with Vladislav. The feminine form is Władysława, archaic forms are Włodzisław (male) and Włodzisława (female), and Wladislaw is a variation. These names may refer to: Famous people Mononym * ...
, crowned King of Poland in 1320, achieved partial reunification, although the Silesian and Masovian duchies remained independent Piast holdings. In the course of the 12th to 14th centuries, Germanic,
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
and
Flemish Flemish (''Vlaams'') is a Low Franconian dialect cluster of the Dutch language. It is sometimes referred to as Flemish Dutch (), Belgian Dutch ( ), or Southern Dutch (). Flemish is native to Flanders, a historical region in northern Belgium; ...
settlers moved into East Central and
Eastern Europe Eastern Europe is a subregion of the European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russia, whic ...
in a migration process known as the '' Ostsiedlung''. In Pomerania,
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...
,
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an ...
and Silesia, the indigenous
West Slav The West Slavs are Slavic peoples who speak the West Slavic languages. They separated from the common Slavic group around the 7th century, and established independent polities in Central Europe by the 8th to 9th centuries. The West Slavic lang ...
(
Polabian Slavs Polabian Slavs ( dsb, Połobske słowjany, pl, Słowianie połabscy, cz, Polabští slované) is a collective term applied to a number of Lechitic ( West Slavic) tribes who lived scattered along the Elbe river in what is today eastern Germ ...
and
Poles Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, who share a common history, culture, the Polish language and are identified with the country of Poland in C ...
) or Balt population became minorities in the course of the following centuries, although substantial numbers of the original inhabitants remained in areas such as
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
. In Greater Poland and in Eastern Pomerania (
Pomerelia Pomerelia,, la, Pomerellia, Pomerania, pl, Pomerelia (rarely used) also known as Eastern Pomerania,, csb, Pòrénkòwô Pòmòrskô Vistula Pomerania, prior to World War II also known as Polish Pomerania, is a historical sub-region of Pome ...
), German settlers formed a minority. Despite the loss of several provinces, medieval lawyers of the Kingdom of Poland created a specific claim to all formerly Polish provinces that were not reunited with the rest of the country in 1320. They built on the theory of the '' Corona Regni Poloniae'', according to which the state (the Crown) and its interests were no longer strictly connected with the person of the
monarch A monarch is a head of stateWebster's II New College DictionarMonarch Houghton Mifflin. Boston. 2001. p. 707. for life or until abdication, and therefore the head of state of a monarchy. A monarch may exercise the highest authority and power i ...
. Because of that no monarch could effectively renounce Crown claims to any of the territories that were historically and/or ethnically Polish. Those claims were reserved for the state (the Crown), which in theory still covered all of the territories that were part of, or dependent on, the Polish Crown upon the death of Bolesław III in 1138. This concept was also developed to prevent from loss of territory after the death of King
Casimir III the Great Casimir III the Great ( pl, Kazimierz III Wielki; 30 April 1310 – 5 November 1370) reigned as the King of Poland from 1333 to 1370. He also later became King of Ruthenia in 1340, and fought to retain the title in the Galicia-Volhynia Wars. He ...
in 1370, when Louis I of Hungary, who ruled Hungary with absolute power, was crowned King of Poland. In the 14th century
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the ...
was one of the greatest powers of
Central Europe Central Europe is an area of Europe between Western Europe and Eastern Europe, based on a common historical, social and cultural identity. The Thirty Years' War (1618–1648) between Catholicism and Protestantism significantly shaped the a ...
, and its influence reached various Balkan principalities and southern Italy (
Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...
). Poland in personal union with Hungary was the smaller, politically weaker and peripheral country. In the
Privilege of Koszyce The Privilege of Koszyce or Privilege of KassaClifford Rogers (editor): ''The Oxford Encyclopedia of Medieval Warfare and Military Technology'', Oxford University Press, 201/ref> was a set of concessions made by Louis I of Hungary to the Polish ...
(1374) King Louis I guaranteed that he would not detach any lands from the Polish Kingdom. The concept was not new, as it was inspired by similar Bohemian (Czech) laws ('' Corona regni Bohemiae''). Some of the territories (such as
Pomerelia Pomerelia,, la, Pomerellia, Pomerania, pl, Pomerelia (rarely used) also known as Eastern Pomerania,, csb, Pòrénkòwô Pòmòrskô Vistula Pomerania, prior to World War II also known as Polish Pomerania, is a historical sub-region of Pome ...
and Masovia) reunited with Poland during the 15th and 16th centuries. However all Polish monarchs until the end of the
Polish–Lithuanian Commonwealth The Polish–Lithuanian Commonwealth, formally known as the Kingdom of Poland and the Grand Duchy of Lithuania, and, after 1791, as the Commonwealth of Poland, was a bi- confederal state, sometimes called a federation, of Poland and Lithuania ru ...
in 1795 had to promise to do everything possible to reunite the rest of those territories with the Crown. The areas of the Recovered Territories fall into three categories: * Those that once had been part of the Polish state during the rule of the Piasts, many of which later on had been part of various Piast, Griffin, Jagiellon and Sobieski-ruled duchies, some up to the 17th and 18th century, although often under foreign suzerainty * Those that had been part of Poland until the 17th century (northernmost part of Greater Poland, including
Czaplinek Czaplinek (german: Tempelburg; csb, Czôplënkò) is a town in Drawsko County, West Pomeranian Voivodeship, Poland, with 7,012 inhabitants as of December 2021. The former name of ''Tempelburg'' refers to the Templar Knights, which settled near ...
) or were under Polish suzerainty as
fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form ...
s, in the 15th, 16th and 17th centuries (southern
Ducal Prussia The Duchy of Prussia (german: Herzogtum Preußen, pl, Księstwo Pruskie, lt, Prūsijos kunigaikštystė) or Ducal Prussia (german: Herzogliches Preußen, link=no; pl, Prusy Książęce, link=no) was a duchy in the region of Prussia establishe ...
and the
Duchy of Opole Duchy of Opole ( pl, Księstwo opolskie; german: Herzogtum Oppeln; cs, Opolské knížectví) was one of the duchies of Silesia ruled by the Piast dynasty. Its capital was Opole (Oppeln, Opolí) in Upper Silesia. Duke Boleslaw III 'the Wrymo ...
, which also falls into the category above) * Territories that had been part of Poland until the Partitions (
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
,
Malbork Voivodeship The Malbork Voivodeship (Polish: ''Województwo malborskie''), after Partitions of Poland also referred to as the Malbork Land (Polish: ''Ziemia malborska''), was a unit of administrative division and local government in the Kingdom of Poland fro ...
, parts of
Pomerelia Pomerelia,, la, Pomerellia, Pomerania, pl, Pomerelia (rarely used) also known as Eastern Pomerania,, csb, Pòrénkòwô Pòmòrskô Vistula Pomerania, prior to World War II also known as Polish Pomerania, is a historical sub-region of Pome ...
, northern Greater Poland including
Piła Piła (german: Schneidemühl) is a city in northwestern Poland and the capital of Piła County, situated in the Greater Poland Voivodeship. Its population as of 2021 was 71,846, making it the third-largest city in the voivodeship after Poznań ...
,
Wałcz Wałcz (pronounced ; german: Deutsch Krone) is a county town in Wałcz County of the West Pomeranian Voivodeship in northwestern Poland. During the years 1975 to 1998, the city was administratively part of the Piła Voivodeship. Granted city r ...
, and
Złotów Złotów (german: Flatow) is a town in northwestern Poland, with a population of 18,303 inhabitants (2011). Today it is part of Greater Poland Voivodeship (province), previously being in Piła Voivodeship (1975–1998). Since 1999 Złotów has b ...
, which were annexed by Prussia in the First Partition of 1772; and Gdańsk and western parts of Greater Poland including
Międzyrzecz Międzyrzecz (; la, Meserici, german: link=no, Meseritz) is a town in western Poland, on the Obra and Paklica river, with 17,667 inhabitants (2020). The capital of Gmina Międzyrzecz and Międzyrzecz County. Since the Local Government Reorganiz ...
and
Wschowa Wschowa (pronounced , german: Fraustadt) is a town in the Lubusz Voivodeship in western Poland with 13,875 inhabitants (2019). It is the capital of Wschowa County and a significant tourist site containing many important historical monuments. Hi ...
, which followed in the Second Partition of 1793) Many significant events in Polish history are associated with these territories, including the victorious battles of
Cedynia Cedynia (pronounced ; german: Zehden, la, Cedene) is a small historic town in Poland, and the administrative seat of Gmina Cedynia in Gryfino County, West Pomeranian Voivodeship. It is situated close to the Oder river and the border with G ...
(972),
Niemcza Niemcza (german: Nimptsch) is a town in Dzierżoniów County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district (gmina) called Gmina Niemcza. The town lies on the Ślęza River, approximately e ...
(1017), Psie Pole and
Głogów Głogów (; german: Glogau, links=no, rarely , cs, Hlohov, szl, Głogōw) is a city in western Poland. It is the county seat of Głogów County, in Lower Silesian Voivodeship (since 1999), and was previously in Legnica Voivodeship (1975–199 ...
(1109), Grunwald (1410),
Oliwa Oliwa ( la, Oliva; csb, Òlëwa; german: Oliva) is a northern district of the city of Gdańsk, Poland. From east it borders Przymorze and Żabianka, from the north Sopot and from the south with the districts of Strzyża, VII Dwór and Brętow ...
(1627), the lost battles of Legnica (1241) and
Westerplatte Westerplatte is a peninsula in Gdańsk, Poland, located on the Baltic Sea coast mouth of the Dead Vistula (one of the Vistula delta estuaries), in the Gdańsk harbour channel. From 1926 to 1939, it was the location of a Polish Military Transi ...
(1939), the life and work of astronomers
Nicolaus Copernicus Nicolaus Copernicus (; pl, Mikołaj Kopernik; gml, Niklas Koppernigk, german: Nikolaus Kopernikus; 19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated ...
(16th century) and
Johannes Hevelius Johannes Hevelius Some sources refer to Hevelius as Polish: * * * * * * * Some sources refer to Hevelius as German: * * * * *of the Royal Society * (in German also known as ''Hevel''; pl, Jan Heweliusz; – 28 January 1687) was a councillor ...
(17th century), the creation of the oldest Polish-language texts and printings (
Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
and the
Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history The history of Europe is traditionally divided into four time periods: prehistoric Europe (prior to about 800 BC), classical antiquity (800 BC to AD ...
era), the creation of the standards and patterns of the Polish literary language (Renaissance era), Polish maritime history, the establishment of one of the first Catholic dioceses in Poland in the Middle Ages (in
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
and Kołobrzeg), as well as the Polish Reformation in the Renaissance era. Significant figures were born or lived in these territories. Astronomer Jan of Głogów and scholar Laurentius Corvinus, who were teachers of
Nicolaus Copernicus Nicolaus Copernicus (; pl, Mikołaj Kopernik; gml, Niklas Koppernigk, german: Nikolaus Kopernikus; 19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated ...
at the
University of Kraków The Jagiellonian University ( Polish: ''Uniwersytet Jagielloński'', UJ) is a public research university in Kraków, Poland. Founded in 1364 by King Casimir III the Great, it is the oldest university in Poland and the 13th oldest university in ...
, both hailed from
Lower Silesia Lower Silesia ( pl, Dolny Śląsk; cz, Dolní Slezsko; german: Niederschlesien; szl, Dolny Ślōnsk; hsb, Delnja Šleska; dsb, Dolna Šlazyńska; Silesian German: ''Niederschläsing''; la, Silesia Inferior) is the northwestern part of the ...
. Jan Dantyszek (Renaissance poet and diplomat, named the ''Father of Polish Diplomacy'') and
Marcin Kromer Marcin Kromer (Latin: ''Martinus Cromerus''; 11 November 1512 – 23 March 1589) was Prince-Bishop of Warmia (Ermland), a Polish cartographer, diplomat and historian in the Kingdom of Poland and later in the Polish–Lithuanian Commonwealth. H ...
(Renaissance cartographer, diplomat, historian, music theoretician) were bishops of Warmia. The leading figures of the
Polish Enlightenment The ideas of the Age of Enlightenment in Poland were developed later than in Western Europe, as the Polish bourgeoisie was weaker, and szlachta (nobility) culture (Sarmatism) together with the Polish–Lithuanian Commonwealth political system (Gol ...
are connected with these lands: philosopher, geologist, writer, poet, translator, statesman
Stanisław Staszic Stanisław Wawrzyniec Staszic (baptised 6 November 1755 – 20 January 1826) was a leading figure in the Polish Enlightenment: a Catholic priest, philosopher, geologist, writer, poet, translator and statesman. A physiocrat, monist, pan-Slavis ...
and great patron of arts, writer, linguist, statesman and candidate for the Polish crown
Adam Kazimierz Czartoryski Prince Adam Kazimierz Czartoryski (1 December 1734 – 19 March 1823) was an influential Polish aristocrat, writer, literary and theater critic, linguist, traveller and statesman. He was a great patron of arts and a candidate for the Polish crow ...
were both born in these territories,
Ignacy Krasicki Ignacy Błażej Franciszek Krasicki (3 February 173514 March 1801), from 1766 Prince-Bishop of Warmia (in German, ''Ermland'') and from 1795 Archbishop of Gniezno (thus, Primate of Poland), was Poland's leading Enlightenment poet"Ignacy Krasic ...
(author of the first Polish novel, playwright, nicknamed ''the Prince of Polish Poets'') lived in
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
in his adulthood, and brothers Józef Andrzej Załuski and Andrzej Stanisław Załuski (founders of the
Załuski Library The Załuski Library ( pl, Biblioteka Załuskich, la, Bibliotheca Zalusciana) established in Warsaw in 1747 by Józef Andrzej Załuski and his brother, Andrzej Stanisław Załuski, both Roman Catholic bishops, was a public library nationalized ...
in
Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officia ...
, one of the largest 18th-century book collections in the world) grew up and studied in these territories. Also painters
Daniel Schultz Jerzy (Georg) Daniel Schultz known also as Daniel Schultz the Younger (1615–1683) was a prominent painter of the Baroque era, born and active in the Polish–Lithuanian Commonwealth. He painted many Polish and Lithuanian nobles, members of ...
, Tadeusz Kuntze and
Antoni Blank Jan Antoni Blank (6 May 1785, in Olsztyn – 20 February 1844, in Warsaw) was a Polish painter in the Classical style who specialized in portraits and miniatures; many of which are in a style similar to Biedermeier. He often signed his paintings ...
, as well as composers Grzegorz Gerwazy Gorczycki and Feliks Nowowiejski were born in these lands. By the time that Poland regained her independence in 1918, Polish activist Dr. Józef Frejlich was already claiming that the lands situated on the right bank of the Oder river, including inner industrial cities such as
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
, and Baltic ports such as Szczecin and Gdańsk, were economic parts of Poland that had to be united with the rest of the "economic territory of Poland" into a united and independent state, as a fundamental condition of the economic revival of Poland after
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. After the successful Greater Poland uprising, the cession of
Pomerelia Pomerelia,, la, Pomerellia, Pomerania, pl, Pomerelia (rarely used) also known as Eastern Pomerania,, csb, Pòrénkòwô Pòmòrskô Vistula Pomerania, prior to World War II also known as Polish Pomerania, is a historical sub-region of Pome ...
to Poland following the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
and the
Silesian Uprisings The Silesian Uprisings (german: Aufstände in Oberschlesien, Polenaufstände, links=no; pl, Powstania śląskie, links=no) were a series of three uprisings from August 1919 to July 1921 in Upper Silesia, which was part of the Weimar Republic ...
that allowed Poland to obtain a large portion of
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
, the territorial claims of the Second Polish Republic were directed towards the rest of partially Polish speaking Upper Silesia and
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
under German control, as well as the city of Danzig, the Czechoslovakian part of
Cieszyn Silesia Cieszyn Silesia, Těšín Silesia or Teschen Silesia ( pl, Śląsk Cieszyński ; cs, Těšínské Slezsko or ; german: Teschener Schlesien or ) is a historical region in south-eastern Silesia, centered on the towns of Cieszyn and Český T� ...
and other bordering areas with significant Polish population. The Polish population of these lands was subject to Germanisation and intensified repressions, especially after the Nazis came to power in Germany in 1933. Most of long Germanized
Lower Silesia Lower Silesia ( pl, Dolny Śląsk; cz, Dolní Slezsko; german: Niederschlesien; szl, Dolny Ślōnsk; hsb, Delnja Šleska; dsb, Dolna Šlazyńska; Silesian German: ''Niederschläsing''; la, Silesia Inferior) is the northwestern part of the ...
,
Farther Pomerania Farther Pomerania, Hinder Pomerania, Rear Pomerania or Eastern Pomerania (german: Hinterpommern, Ostpommern), is the part of Pomerania which comprised the eastern part of the Duchy and later Province of Pomerania. It stretched roughly from the Od ...
and
Eastern Prussia East Prussia ; german: Ostpreißen, label=Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 1871 ...
remained undisputed. However, in reaction to
Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...
's Germany threats to Poland shortly before the outbreak of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
, Polish
nationalists Nationalism is an idea and movement that holds that the nation should be congruent with the state. As a movement, nationalism tends to promote the interests of a particular nation (as in a group of people), Smith, Anthony. ''Nationalism: The ...
displayed maps of Poland including those ancient Polish territories as well, claiming their intention to recover them. In the interwar period the German administration, even before the Nazis took power, conducted a massive campaign of renaming of thousands of placenames, to remove traces of Slavic origin.


Pomerania

The
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
n (Western Pomeranian) parts of the Recovered Territories came under Polish rule several times from the late 10th century on, when Mieszko I acquired at least significant parts of them. Mieszko's son Bolesław I established a
bishopric In church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided provinces were administratively associate ...
in the Kołobrzeg area in 1000–1005/07, before the area was lost again. Despite further attempts by Polish dukes to again control the Pomeranian tribes, this was only partly achieved by
Bolesław III Boleslav or Bolesław may refer to: In people: * Boleslaw (given name) In geography: * Bolesław, Dąbrowa County, Lesser Poland Voivodeship, Poland * Bolesław, Olkusz County, Lesser Poland Voivodeship, Poland * Bolesław, Silesian Voivodeship, ...
in several campaigns lasting from 1116 to 1121. Successful Christian missions ensued in 1124 and 1128; however, by the time of Bolesław's death in 1138, most of West Pomerania (the Griffin-ruled areas) was no longer controlled by Poland. Shortly after, the Griffin Duke of Pomerania, Boguslav I., achieved the integration of Pomerania into the Holy Roman Empire. The easternmost part of later Western Pomerania (including the city of
Słupsk Słupsk (; , ; formerly german: Stolp, ; also known by several alternative names) is a city with powiat rights located on the Słupia River in the Pomeranian Voivodeship in northern Poland, in the historical region of Pomerania or more specific ...
) in the 13th century was part of Eastern Pomerania, which was re-integrated with Poland, and later on, in the 14th and 15th centuries formed a duchy, which rulers were
vassal A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain ...
s of Jagiellon-ruled Poland. Over the following centuries Western Pomerania was largely Germanized, although a small Slavic Polabian minority remained. Indigenous Slavs and Poles faced discrimination from the arriving Germans, who on a local level since the 16th century imposed discriminatory regulations, such as bans on buying goods from Slavs/Poles or prohibiting them from becoming members of craft guilds. The
Duchy of Pomerania The Duchy of Pomerania (german: Herzogtum Pommern; pl, Księstwo Pomorskie; Latin: ''Ducatus Pomeraniae'') was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania (''Griffins''). The country ha ...
under the native Griffin dynasty existed for over 500 years, before it was partitioned between Sweden and Brandenburg-Prussia in the 17th century. At the turn of the 20th century there lived about 14,200 persons of
Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, w ...
mother-tongue in the Province of Pomerania (in the east of
Farther Pomerania Farther Pomerania, Hinder Pomerania, Rear Pomerania or Eastern Pomerania (german: Hinterpommern, Ostpommern), is the part of Pomerania which comprised the eastern part of the Duchy and later Province of Pomerania. It stretched roughly from the Od ...
in the vicinity of the border with the province of
West Prussia The Province of West Prussia (german: Provinz Westpreußen; csb, Zôpadné Prësë; pl, Prusy Zachodnie) was a province of Prussia from 1773 to 1829 and 1878 to 1920. West Prussia was established as a province of the Kingdom of Prussia in 177 ...
), and 300 persons using the Kashubian language (at the
Łeba Lake Łeba (pronounced: , Kashubian, Pomeranian and German: ''Leba'') is a seaside town in the Pomeranian Voivodeship of northern Poland. It is located in the Pomerelia sub-region, near Łebsko Lake and the mouth of the river Łeba on the coast of ...
and the
Lake Gardno Gardno (german: Garder See) is a lake in the Słowińskie Lakeland in Pomeranian Voivodship, Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivo ...
), the total population of the province consisting of almost 1.7 million inhabitants. The Polish communities in many cities of the region, such as Szczecin and Kołobrzeg, faced intensified repressions after the
Nazis Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in N ...
came to power in Germany in 1933.


Gdańsk, Lębork and Bytów

The region of
Pomerelia Pomerelia,, la, Pomerellia, Pomerania, pl, Pomerelia (rarely used) also known as Eastern Pomerania,, csb, Pòrénkòwô Pòmòrskô Vistula Pomerania, prior to World War II also known as Polish Pomerania, is a historical sub-region of Pome ...
at the eastern end of Pomerania, including Gdańsk (Danzig), was part of Poland since its first ruler Mieszko I. As a result of the fragmentation of Poland, it was ruled in the 12th and 13th centuries by the
Samborides The Samborides () or House of Sobiesław () were a ruling dynasty in the historic region of Pomerelia. They were first documented about 1155 as governors (''princeps'') in the Eastern Pomeranian lands serving the royal Piast dynasty of Poland ...
, who were (at least initially) more closely tied to the Kingdom of Poland than were the Griffins. After the Treaty of Kępno in 1282, and the death of the last Samboride in 1294, the region was ruled by kings of Poland for a short period, although also claimed by
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...
. After the Teutonic takeover in 1308 the region was annexed to the
monastic state of the Teutonic Knights The State of the Teutonic Order (german: Staat des Deutschen Ordens, ; la, Civitas Ordinis Theutonici; lt, Vokiečių ordino valstybė; pl, Państwo zakonu krzyżackiego), also called () or (), was a medieval Crusader state, located in Cen ...
. Most cities of the region joined or sided with the
Prussian Confederation The Prussian Confederation (german: Preußischer Bund, pl, Związek Pruski) was an organization formed on 21 February 1440 at Kwidzyn (then officially ''Marienwerder'') by a group of 53 nobles and clergy and 19 cities in Prussia (region), Prussi ...
, which in 1454 started an uprising against Teutonic rule and asked the Polish King
Casimir IV Jagiellon Casimir IV (in full Casimir IV Andrew Jagiellon; pl, Kazimierz IV Andrzej Jagiellończyk ; Lithuanian: ; 30 November 1427 – 7 June 1492) was Grand Duke of Lithuania from 1440 and King of Poland from 1447, until his death. He was one of the m ...
to incorporate the region to Poland. After the King agreed and signed the act of incorporation, the Thirteen Years' War broke out, ending in a Polish victory. The
Second Peace of Thorn The Peace of Thorn or Toruń of 1466, also known as the Second Peace of Thorn or Toruń ( pl, drugi pokój toruński; german: Zweiter Friede von Thorn), was a peace treaty signed in the Hanseatic city of Thorn (Toruń) on 19 October 1466 betwe ...
(1466) made Royal Prussia a part of Poland. It had a substantial autonomy and a lot of privileges. It formed the Pomeranian Voivodeship, located within the province of
Royal Prussia Royal Prussia ( pl, Prusy Królewskie; german: Königlich-Preußen or , csb, Królewsczé Prësë) or Polish PrussiaAnton Friedrich Büsching, Patrick Murdoch. ''A New System of Geography'', London 1762p. 588/ref> (Polish: ; German: ) was a ...
in the Kingdom of Poland, as it remained until being annexed by the
Kingdom of Prussia The Kingdom of Prussia (german: Königreich Preußen, ) was a German kingdom that constituted the state of Prussia between 1701 and 1918. Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. ...
in the partitions of 1772 and 1793. A small area in the west of Pomerelia, the
Lauenburg and Bütow Land Lauenburg and Bütow Land (german: Länder or , csb, Lãbòrskò-bëtowskô Zemia, pl, Ziemia lęborsko-bytowska) formed a historical region in the western part of Pomerelia (Polish and papal historiography) or in the eastern part of Farther Po ...
(the region of
Lębork Lębork (; csb, Lãbòrg; formerly german: Lauenburg in Pommern) is a town of 37,000 people on the Łeba River, Łeba and Okalica rivers in the Gdańsk Pomerania region in northern Poland. It is the capital of Lębork County in Pomeranian Voivode ...
and
Bytów Bytów (; csb, Bëtowò; formerly german: Bütow ) is a town in the Gdańsk Pomerania region of northern Poland with 16,730 inhabitants as of December 2021. It is the capital of Bytów County in the Pomeranian Voivodeship. The origins of Byt ...
) was granted to the rulers of Pomerania as a Polish
fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form ...
, before being reintegrated with Poland in 1637, and later on, again transformed into a Polish
fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form ...
, which it remained until the First Partition, when three quarters of Royal Prussia's urban population were German-speaking Protestants. After Poland regained independence in 1918, a large part of Pomerelia was reintegrated with Poland, as the so-called
Polish Corridor The Polish Corridor (german: Polnischer Korridor; pl, Pomorze, Polski Korytarz), also known as the Danzig Corridor, Corridor to the Sea or Gdańsk Corridor, was a territory located in the region of Pomerelia (Pomeranian Voivodeship, easter ...
, and so was not part of the post-war so-called Recovered Territories.


Lubusz Land and parts of Greater Poland

The medieval
Lubusz Land Lubusz Land ( pl, Ziemia lubuska; german: Land Lebus) is a historical region and cultural landscape in Poland and Germany on both sides of the Oder river. Originally the settlement area of the Lechites, the swampy area was located east of Branden ...
on both sides of the Oder River up to the
Spree Spree may refer to: Geography * Spree (river), river in Germany Film and television * ''The Spree'', a 1998 American television film directed by Tommy Lee Wallace * ''Spree'' (film), a 2020 American film starring Joe Keery * "Spree" (''Numbers' ...
in the west, including Lubusz ( Lebus) itself, also formed part of Mieszko's realm. In the period of fragmentation of Poland the Lubusz Land was in different periods part of the Greater Poland and Silesian provinces of Poland. Poland lost Lubusz when the Silesian duke
Bolesław II Rogatka Boleslav or Bolesław may refer to: In people: * Boleslaw (given name) In geography: * Bolesław, Dąbrowa County, Lesser Poland Voivodeship, Poland * Bolesław, Olkusz County, Lesser Poland Voivodeship, Poland * Bolesław, Silesian Voivodeship, ...
sold it to the
Ascanian The House of Ascania (german: Askanier) was a dynasty of German rulers. It is also known as the House of Anhalt, which refers to its longest-held possession, Anhalt. The Ascanians are named after Ascania (or Ascaria) Castle, known as ''Schloss ...
margraves of
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...
in 1249. The
Bishopric of Lebus The Diocese of Lebus (; ; ) is a former diocese of the Catholic Church. It was erected in 1125 and suppressed in 1598. The Bishop of Lebus was also, '' ex officio'', the ruler of a lordship that was coextensive with the territory of the diocese. T ...
, established by Polish Duke
Bolesław III Wrymouth Bolesław III Wrymouth ( pl, Bolesław III Krzywousty; 20 August 1086 – 28 October 1138), also known as Boleslaus the Wry-mouthed, was the duke of Lesser Poland, Silesia and Sandomierz between 1102 and 1107 and over the whole of Poland between ...
, remained a suffragan of the
Archdiocese of Gniezno The Archdiocese of Gniezno ( la, Archidioecesis Gnesnensis, pl, Archidiecezja Gnieźnieńska) is the oldest Latin Catholic archdiocese in Poland, located in the city of Gniezno.Archbishopric of Magdeburg. The Lubusz Land was part of the Lands of the Bohemian (Czech) Crown from 1373 to 1415. Brandenburg also acquired the castellany of
Santok Santok (german: Zantoch) is a village in Gorzów County, Lubusz Voivodeship, in western Poland. It is the seat of the gmina (administrative district) called Gmina Santok. Geography It is located at the confluence of the Noteć and Warta rive ...
, which formed part of the
Duchy of Greater Poland The Duchy of Greater Poland was a district principality in Greater Poland that was a fiefdom of the Kingdom of Poland. It was formed in 1138 from the territories of the Kingdom of Poland, following its fragmentation started by the testament of ...
, from Duke
Przemysł I of Greater Poland Przemysł I (4 June 1221 – 4 June 1257), a member of the Piast dynasty, was Duke of Greater Poland from 1239 until his death, from 1241 with his brother Bolesław the Pious as co-ruler. He was able to re-acquire large parts of Greater Poland, r ...
and made it the nucleus of their
Neumark The Neumark (), also known as the New March ( pl, Nowa Marchia) or as East Brandenburg (), was a region of the Margraviate of Brandenburg and its successors located east of the Oder River in territory which became part of Poland in 1945. Call ...
("New March") region. In the following decades Brandenburg annexed further parts of northwestern Greater Poland. Later on, Santok was briefly recaptured by the Poles several times. Of the other cities, King
Casimir III the Great Casimir III the Great ( pl, Kazimierz III Wielki; 30 April 1310 – 5 November 1370) reigned as the King of Poland from 1333 to 1370. He also later became King of Ruthenia in 1340, and fought to retain the title in the Galicia-Volhynia Wars. He ...
recovered
Wałcz Wałcz (pronounced ; german: Deutsch Krone) is a county town in Wałcz County of the West Pomeranian Voivodeship in northwestern Poland. During the years 1975 to 1998, the city was administratively part of the Piła Voivodeship. Granted city r ...
in 1368. The lost parts of Greater Poland were part of the Lands of the Bohemian (Czech) Crown from 1373 to 1402, when despite an agreement between the
Luxembourg dynasty The House of Luxembourg ( lb, D'Lëtzebuerger Haus; french: Maison de Luxembourg; german: Haus Luxemburg) or Luxembourg dynasty was a royal family of the Holy Roman Empire in the Late Middle Ages, whose members between 1308 and 1437 ruled as kin ...
of Bohemia and the
Jagiellons The Jagiellonian dynasty (, pl, dynastia jagiellońska), otherwise the Jagiellon dynasty ( pl, dynastia Jagiellonów), the House of Jagiellon ( pl, Dom Jagiellonów), or simply the Jagiellons ( pl, Jagiellonowie), was the name assumed by a cad ...
of Poland on the sale of the region to Poland, it was sold to the
Teutonic Order The Order of Brothers of the German House of Saint Mary in Jerusalem, commonly known as the Teutonic Order, is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. It was formed to aid Christians on ...
. During the
Polish–Teutonic War (1431–35) Polish–Teutonic War may refer to: * Teutonic takeover of Danzig (Gdańsk) (1308–1309) *Polish–Teutonic War (1326–1332) over Pomerelia, concluded by the Treaty of Kalisz (1343) *the Polish–Lithuanian–Teutonic War or ''Great War'' (140 ...
several towns of the region rebelled against the Order to join Poland, among them
Choszczno Choszczno (german: Arnswalde) is a town in West Pomeranian Voivodeship, Poland. As of December 2021, the town has a population of 14,831. The town is in a marshy district between the river Stobnica and Klukom lake, southeast of Stargard and on t ...
,
Drawno Drawno (german: Neuwedell; csb, Nowi Wedel) is a town in Choszczno County, West Pomeranian Voivodeship, Poland, with 2,219 inhabitants as of December 2021. The headquarters of the Drawa National Park (''Drawieński Park Narodowy'') are located h ...
and Złocieniec. The present-day Polish
Lubusz Voivodeship Lubusz Voivodeship, or Lubuskie Province ( pl, województwo lubuskie ), is a voivodeship (province) in western Poland. It was created on January 1, 1999, out of the former Gorzów Wielkopolski and Zielona Góra Voivodeships, pursuant to the Po ...
comprises most of the former Brandenburgian Neumark territory east of the Oder. A small part of northern Greater Poland around the town of
Czaplinek Czaplinek (german: Tempelburg; csb, Czôplënkò) is a town in Drawsko County, West Pomeranian Voivodeship, Poland, with 7,012 inhabitants as of December 2021. The former name of ''Tempelburg'' refers to the Templar Knights, which settled near ...
was lost to Brandenburg-Prussia in 1668. Bigger portions of Greater Poland were lost in the Partitions of Poland: the northern part with
Piła Piła (german: Schneidemühl) is a city in northwestern Poland and the capital of Piła County, situated in the Greater Poland Voivodeship. Its population as of 2021 was 71,846, making it the third-largest city in the voivodeship after Poznań ...
and
Wałcz Wałcz (pronounced ; german: Deutsch Krone) is a county town in Wałcz County of the West Pomeranian Voivodeship in northwestern Poland. During the years 1975 to 1998, the city was administratively part of the Piła Voivodeship. Granted city r ...
in the First Partition and the remainder, including the western part with
Międzyrzecz Międzyrzecz (; la, Meserici, german: link=no, Meseritz) is a town in western Poland, on the Obra and Paklica river, with 17,667 inhabitants (2020). The capital of Gmina Międzyrzecz and Międzyrzecz County. Since the Local Government Reorganiz ...
and
Wschowa Wschowa (pronounced , german: Fraustadt) is a town in the Lubusz Voivodeship in western Poland with 13,875 inhabitants (2019). It is the capital of Wschowa County and a significant tourist site containing many important historical monuments. Hi ...
in the Second Partition. During
Napoleon Napoleon Bonaparte ; it, Napoleone Bonaparte, ; co, Napulione Buonaparte. (born Napoleone Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French military commander and political leader who ...
ic times the Greater Poland territories formed part of the
Duchy of Warsaw The Duchy of Warsaw ( pl, Księstwo Warszawskie, french: Duché de Varsovie, german: Herzogtum Warschau), also known as the Grand Duchy of Warsaw and Napoleonic Poland, was a French client state established by Napoleon Bonaparte in 1807, during ...
, but after the
Congress of Vienna The Congress of Vienna (, ) of 1814–1815 was a series of international diplomatic meetings to discuss and agree upon a possible new layout of the European political and constitutional order after the downfall of the French Emperor Napoleon B ...
Prussia reclaimed them as part of the
Grand Duchy of Posen The Grand Duchy of Posen (german: Großherzogtum Posen; pl, Wielkie Księstwo Poznańskie) was part of the Kingdom of Prussia, created from territories annexed by Prussia after the Partitions of Poland, and formally established following the ...
(Poznań), later Province of Posen. After
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, those parts of the former Province of Posen and of
West Prussia The Province of West Prussia (german: Provinz Westpreußen; csb, Zôpadné Prësë; pl, Prusy Zachodnie) was a province of Prussia from 1773 to 1829 and 1878 to 1920. West Prussia was established as a province of the Kingdom of Prussia in 177 ...
that were not restored as part of the Second Polish Republic were administered as
Grenzmark Posen-Westpreußen The Frontier March of Posen-West Prussia (german: Grenzmark Posen-Westpreußen, pl, Marchia Graniczna Poznańsko-Zachodniopruska) was a province of Prussia from 1922 to 1938. Posen-West Prussia was established in 1922 as a province of the Free ...
(the German Province of Posen–West Prussia) until 1939.


Silesia

Lower Silesia Lower Silesia ( pl, Dolny Śląsk; cz, Dolní Slezsko; german: Niederschlesien; szl, Dolny Ślōnsk; hsb, Delnja Šleska; dsb, Dolna Šlazyńska; Silesian German: ''Niederschläsing''; la, Silesia Inferior) is the northwestern part of the ...
was one of the leading regions of medieval Poland.
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
was one of three main cities of the Medieval Polish Kingdom, according to the 12th-century chronicle ''
Gesta principum Polonorum The ''Gesta principum Polonorum'' (; "''Deeds of the Princes of the Poles''") is the oldest known medieval chronicle documenting the history of Poland from the legendary times until 1113. Written in Latin by an anonymous author, it was most lik ...
''.
Henry I the Bearded Henry the Bearded ( pl, Henryk (Jędrzych) Brodaty, german: Heinrich der Bärtige; c. 1165/70 – 19 March 1238) was a Polish duke from the Piast dynasty. He was Duke of Silesia at Wrocław from 1201, Duke of Kraków and High Duke of all Pol ...
granted
town rights Town privileges or borough rights were important features of European towns during most of the second millennium. The city law customary in Central Europe probably dates back to Italian models, which in turn were oriented towards the tradition ...
for the first time in the history of Poland in 1211 to the Lower Silesian town of
Złotoryja Złotoryja (; german: Goldberg, ; Latin: ''Aureus Mons'', ''Aurum'') is a historic town in Lower Silesian Voivodeship in southwestern Poland, the administrative seat of Złotoryja County, and of the smaller Gmina Złotoryja. Having been granted ...
. The '' Book of Henryków'', containing the oldest known written sentence in Polish, was created in Lower Silesia. The first Polish-language printed text was published in Wrocław by
Głogów Głogów (; german: Glogau, links=no, rarely , cs, Hlohov, szl, Głogōw) is a city in western Poland. It is the county seat of Głogów County, in Lower Silesian Voivodeship (since 1999), and was previously in Legnica Voivodeship (1975–199 ...
-born Kasper Elyan, who is regarded as the first Polish printer. Burial sites of Polish monarchs are located in Wrocław,
Trzebnica Trzebnica (Polish pronunciation: ; german: Trebnitz, cs, Třebnice, szl, Trzebńica) is a town in Lower Silesian Voivodeship in west-central Poland. It is the seat of Trzebnica County, and of the smaller administrative district (gmina) called G ...
and Legnica. Piast dukes continued to rule Silesia following the 12th-century
fragmentation of Poland The period of rule by the Piast dynasty between the 10th and 14th centuries is the first major stage of the history of the Polish state. The dynasty was founded by a series of dukes listed by the chronicler Gall Anonymous in the early 12th cen ...
. The
Silesian Piasts The Silesian Piasts were the elder of four lines of the Polish Piast dynasty beginning with Władysław II the Exile (1105–1159), eldest son of Duke Bolesław III of Poland. By Bolesław's testament, Władysław was granted Silesia as his h ...
retained power in most of the region until the early 16th century, the last ( George William, duke of Legnica) dying in 1675. Some Lower Silesian duchies were also under the rule of Polish
Jagiellons The Jagiellonian dynasty (, pl, dynastia jagiellońska), otherwise the Jagiellon dynasty ( pl, dynastia Jagiellonów), the House of Jagiellon ( pl, Dom Jagiellonów), or simply the Jagiellons ( pl, Jagiellonowie), was the name assumed by a cad ...
(
Głogów Głogów (; german: Glogau, links=no, rarely , cs, Hlohov, szl, Głogōw) is a city in western Poland. It is the county seat of Głogów County, in Lower Silesian Voivodeship (since 1999), and was previously in Legnica Voivodeship (1975–199 ...
) and Sobieskis (
Oława Oława (pronounced , , szl, Oława) is a historic town in south-western Poland with 33,029 inhabitants (2019). It is situated in Lower Silesian Voivodeship (from 1975–1998 it was in the former Wrocław Voivodeship), within the Wrocław ...
), and part of
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
, the
Duchy of Opole Duchy of Opole ( pl, Księstwo opolskie; german: Herzogtum Oppeln; cs, Opolské knížectví) was one of the duchies of Silesia ruled by the Piast dynasty. Its capital was Opole (Oppeln, Opolí) in Upper Silesia. Duke Boleslaw III 'the Wrymo ...
, found itself back under Polish rule in the mid-17th century, when the Habsburgs pawned the duchy to the Polish Vasas. The Roman Catholic Diocese of Wrocław, established in 1000 as one of Poland's oldest dioceses, remained a suffragan of the
Archbishopric of Gniezno The Archdiocese of Gniezno ( la, Archidioecesis Gnesnensis, pl, Archidiecezja Gnieźnieńska) is the oldest Latin Catholic archdiocese in Poland, located in the city of Gniezno.Henry I Henry I may refer to: 876–1366 * Henry I the Fowler, King of Germany (876–936) * Henry I, Duke of Bavaria (died 955) * Henry I of Austria, Margrave of Austria (died 1018) * Henry I of France (1008–1060) * Henry I the Long, Margrave of the ...
(Duke of Silesia from 1201 to 1238). After the era of German colonisation, the Polish language still predominated in Upper Silesia and in parts of Lower and Middle Silesia north of the Odra river. Here the Germans who arrived during the Middle Ages became mostly
Polonized Polonization (or Polonisation; pl, polonizacja)In Polish historiography, particularly pre-WWII (e.g., L. Wasilewski. As noted in Смалянчук А. Ф. (Smalyanchuk 2001) Паміж краёвасцю і нацыянальнай ідэя� ...
; Germans dominated in large cities and Poles mostly in rural areas. The Polish-speaking territories of Lower and Middle
Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...
, commonly described until the end of the 19th century as the ''Polish side'', were mostly Germanized in the 18th and 19th centuries, except for some areas along the northeastern frontier. The province came under the control of
Kingdom of Bohemia The Kingdom of Bohemia ( cs, České království),; la, link=no, Regnum Bohemiae sometimes in English literature referred to as the Czech Kingdom, was a medieval and early modern monarchy in Central Europe, the predecessor of the modern Czec ...
in the 14th century and was briefly under Hungarian rule in the 15th century. Silesia passed to the Habsburg monarchy of
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
in 1526, and Prussia's
Frederick the Great Frederick II (german: Friedrich II.; 24 January 171217 August 1786) was King in Prussia from 1740 until 1772, and King of Prussia from 1772 until his death in 1786. His most significant accomplishments include his military successes in the S ...
conquered most of it in 1742. A part of
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
became part of Poland after
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
and the
Silesian Uprisings The Silesian Uprisings (german: Aufstände in Oberschlesien, Polenaufstände, links=no; pl, Powstania śląskie, links=no) were a series of three uprisings from August 1919 to July 1921 in Upper Silesia, which was part of the Weimar Republic ...
, but the bulk of Silesia formed part of the post-1945 Recovered Territories.


Warmia and Masuria

The territories of
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
and
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
were originally inhabited by pagan
Old Prussians Old Prussians, Baltic Prussians or simply Prussians ( Old Prussian: ''prūsai''; german: Pruzzen or ''Prußen''; la, Pruteni; lv, prūši; lt, prūsai; pl, Prusowie; csb, Prësowié) were an indigenous tribe among the Baltic peoples that ...
, until the conquest by the
Teutonic Knights The Order of Brothers of the German House of Saint Mary in Jerusalem, commonly known as the Teutonic Order, is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. It was formed to aid Christians o ...
in the 13th and 14th centuries. In order to repopulate the conquered areas, Poles from neighboring
Masovia Mazovia or Masovia ( pl, Mazowsze) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the unofficial capital and largest city. Throughout the centurie ...
, called Masurians (''Mazurzy''), were allowed to settle here (hence the name
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
). During an uprising against the Teutonic Order most towns of the region joined or sided with the
Prussian Confederation The Prussian Confederation (german: Preußischer Bund, pl, Związek Pruski) was an organization formed on 21 February 1440 at Kwidzyn (then officially ''Marienwerder'') by a group of 53 nobles and clergy and 19 cities in Prussia (region), Prussi ...
, at the request of which King
Casimir IV Jagiellon Casimir IV (in full Casimir IV Andrew Jagiellon; pl, Kazimierz IV Andrzej Jagiellończyk ; Lithuanian: ; 30 November 1427 – 7 June 1492) was Grand Duke of Lithuania from 1440 and King of Poland from 1447, until his death. He was one of the m ...
signed the act of incorporation of the region into the
Kingdom of Poland The Kingdom of Poland ( pl, Królestwo Polskie; Latin: ''Regnum Poloniae'') was a state in Central Europe. It may refer to: Historical political entities * Kingdom of Poland, a kingdom existing from 1025 to 1031 * Kingdom of Poland, a kingdom exi ...
(1454). After the
Second Peace of Thorn The Peace of Thorn or Toruń of 1466, also known as the Second Peace of Thorn or Toruń ( pl, drugi pokój toruński; german: Zweiter Friede von Thorn), was a peace treaty signed in the Hanseatic city of Thorn (Toruń) on 19 October 1466 betwe ...
(1466)
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
was confirmed to be incorporated to Poland, while
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
became part of a Polish
fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form ...
, first as part of the Teutonic state, and from 1525 as part of the secular
Ducal Prussia The Duchy of Prussia (german: Herzogtum Preußen, pl, Księstwo Pruskie, lt, Prūsijos kunigaikštystė) or Ducal Prussia (german: Herzogliches Preußen, link=no; pl, Prusy Książęce, link=no) was a duchy in the region of Prussia establishe ...
. Then it would become one of the leading centers of Polish Lutheranism, while Warmia, under the administration of prince-bishops remained one of the most overwhelmingly
Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
regions of Poland. Polish suzerainty over
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
ended in 1657/1660 as a result of the
Deluge A deluge is a large downpour of rain, often a flood. The Deluge refers to the flood narrative in the Biblical book of Genesis. Deluge may also refer to: History *Deluge (history), the Swedish and Russian invasion of the Polish-Lithuanian Com ...
and Warmia was annexed by the
Kingdom of Prussia The Kingdom of Prussia (german: Königreich Preußen, ) was a German kingdom that constituted the state of Prussia between 1701 and 1918. Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. ...
in the First Partition of Poland (1772). Both regions formed the southern part of the province of East Prussia, established in 1773. All of Warmia and most of Masuria remained part of Germany after
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
and the re-establishment of independent Poland. During the
1920 East Prussian Plebiscite The East Prussian plebiscite (german: Abstimmung in Ostpreußen), also known as the Allenstein and Marienwerder plebiscite or Warmia, Masuria and Powiśle plebiscite ( pl, Plebiscyt na Warmii, Mazurach i Powiślu), was a plebiscite organised in a ...
, the districts east of the
Vistula The Vistula (; pl, Wisła, ) is the longest river in Poland and the ninth-longest river in Europe, at in length. The drainage basin, reaching into three other nations, covers , of which is in Poland. The Vistula rises at Barania Góra in ...
within the region of
Marienwerder Kwidzyn (pronounced ; german: Marienwerder; Latin: ''Quedin''; Old Prussian: ''Kwēdina'') is a town in northern Poland on the Liwa River, with 38,553 inhabitants (2018). It is the capital of Kwidzyn County in the Pomeranian Voivodeship. Geog ...
(Kwidzyn), along with all of the Allenstein Region (Olsztyn) and the district of Oletzko voted to be included within the province of East Prussia and thus became part of Weimar Germany. All of the region as the southern part of the province of East Prussia became part of Poland after World War II, with northern East Prussia going to the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
to form the
Kaliningrad Oblast Kaliningrad Oblast (russian: Калинингра́дская о́бласть, translit=Kaliningradskaya oblast') is the westernmost federal subject of Russia. It is a semi-exclave situated on the Baltic Sea. The largest city and admin ...
.


Origin and use of the term

The term "Recovered Territories" was officially used for the first time in the Decree of the President of the Republic of 11 October 1938 after the annexation of
Zaolzie Trans-Olza ( pl, Zaolzie, ; cs, Záolží, ''Záolší''; german: Olsa-Gebiet; Cieszyn Silesian: ''Zaolzi''), also known as Trans-Olza Silesia ( Polish: ''Śląsk Zaolziański''), is a territory in the Czech Republic, which was disputed betwe ...
by the Polish army. It became the official termAn explanation note i
''"The Neighbors Respond: The Controversy Over the Jedwabne Massacre in Poland"''
, ed. by Polonsky and Michlic, p. 466
coined in the aftermath of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
to denote the
former eastern territories of Germany The former eastern territories of Germany (german: Ehemalige deutsche Ostgebiete) refer in present-day Germany to those territories east of the current eastern border of Germany i.e. Oder–Neisse line which historically had been considered Ger ...
that were being handed over to Poland, pending a final peace conference with Germany which eventually never took place. The underlying concept was to define post-war Poland as heir to the medieval Piasts' realm,Joanna B. Michlic, ''Poland's Threatening Other: The Image of the Jew from 1880 to the Present'', 2006, pp. 207–208, , Norman Davies, ''God's Playground: A History of Poland in Two Volumes'', 2005, pp. 381ff, , Geoffrey Hosking, George Schopflin, ''Myths and Nationhood'', 1997, p. 153, , which was simplified into a picture of an ethnically homogeneous state that matched post-war borders,Jan Kubik, ''The Power of Symbols Against the Symbols of Power: The Rise of Solidarity and the Fall of State Socialism in Poland'', 1994, pp. 64–65, , as opposed to the later Jagiellon Poland, which was multi-ethnic and located further east. The argument that this territory in fact constituted "old Polish lands"Alfred M. De Zayas, ''Nemesis at Potsdam'', p. 168 seized on a pre-war concept developed by Polish right-wing circles attached to the SN. As cited by One reason for post-war Poland's favoring a Piast rather than a Jagiellon tradition was
Joseph Stalin Joseph Vissarionovich Stalin (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet political leader who led the Soviet Union from 1924 until his death in 1953. He held power as General Secretar ...
's refusal to withdraw from the
Curzon line The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Soviet Union, two new states emerging after World War I. It was first proposed by The 1st Earl Curzon of Kedleston, the British Foreign Secretary, to ...
and the Allies' readiness to satisfy Poland with German territory instead.Rick Fawn, ''Ideology and national identity in post-communist foreign policies'', 2003, p. 190, , The original argument for awarding formerly German territory to Poland – compensation – was complemented by the argument that this territory in fact constituted former areas of Poland.Joanna B. Michlic, ''Poland's Threatening Other: The Image of the Jew from 1880 to the Present'', 2006, p. 208, , Jan Kubik, ''The Power of Symbols Against the Symbols of Power: The Rise of Solidarity and the Fall of State Socialism in Poland'', 1994, p. 65, , Dmitrow says that "in official justifications for the border shift, the decisive argument that it presented a compensation for the loss of the eastern half of the pre-war Polish territory to the USSR, was viewed as obnoxious and concealed. Instead, a historical argumentation was foregrounded with the dogma, Poland had just returned to 'ancient Piast lands'." Objections to the Allies' decisions and criticism of the Polish politicians' role at Potsdam were censored. In a commentary for
Tribune Tribune () was the title of various elected officials in ancient Rome. The two most important were the tribunes of the plebs and the military tribunes. For most of Roman history, a college of ten tribunes of the plebs acted as a check on th ...
, George Orwell likened the transfer of German population to transferring the whole of the Irish and Scottish population. Also, the Piasts were perceived to have defended Poland against the Germans, while the Jagiellons' main rival had been the growing
Duchy of Moscow The Grand Duchy of Moscow, Muscovite Russia, Muscovite Rus' or Grand Principality of Moscow (russian: Великое княжество Московское, Velikoye knyazhestvo Moskovskoye; also known in English simply as Muscovy from the Lati ...
, making them a less suitable basis for post-war Poland's Soviet-dominated situation. The People's Republic of Poland under the
Polish Workers' Party The Polish Workers' Party ( pl, Polska Partia Robotnicza, PPR) was a communist party in Poland from 1942 to 1948. It was founded as a reconstitution of the Communist Party of Poland (KPP) and merged with the Polish Socialist Party (PPS) in 194 ...
thus supported the idea of Poland based on old Piast lands. The question of the Recovered Territories was one of the few issues that did not divide the Polish Communists and their opposition, and there was unanimity regarding the western border. Even the underground anti-Communist press called for the Piast borders, that would end Germanisation and ''
Drang nach Osten (; 'Drive to the East',Ulrich Best''Transgression as a Rule: German–Polish cross-border cooperation, border discourse and EU-enlargement'' 2008, p. 58, , Edmund Jan Osmańczyk, Anthony Mango, ''Encyclopedia of the United Nations and Interna ...
''. Great efforts were made to propagate the view of the
Piast Concept The Piast Concept is a political idea of Polish state based on its initial territories under the Piast dynasty, containing a mostly Polish population. It holds that Poland, composed of mostly Polish territories in the west during Middle Ages, ...
. It was actively supported by the Catholic Church. The sciences were responsible for the development of this perception of history. In 1945 the
Western Institute The Western Institute in Poznań (Polish: ''Instytut Zachodni'', German ''West-Institut'', French: ''L'Institut Occidental'') is a scientific research society focusing on the Western provinces of Poland - Kresy Zachodnie (including Greater Polan ...
( pl, Instytut Zachodni) was founded to coordinate the scientific activities. Its director, Zygmunt Wojciechowski, characterized his mission as an effort to present the Polish history of the region, and project current Polish reality of these countries upon a historical background. Historical scientists, archaeologists, linguists, art historians and ethnologists worked in an interdisciplinary effort to legitimize the new borders.Gregor Thum, ''Die fremde Stadt. Breslau nach 1945'', 2006, p. 281, , Their findings were popularised in monographs, periodicals, schoolbooks, travel guides, broadcasts and exhibitions. Official maps were drawn showing that the Polish frontiers under the first known Piast princes matched the new ones. According to Norman Davies, the young post-war generation received education informing them that the boundaries of the People's Republic were the same as those on which the Polish nation had developed for centuries. Furthermore, they were instructed that the Polish "Motherland" has always been in the same location, even when "occupied" for long periods of time by foreigners or as political boundaries shifted.Norman Davies, ''God's Playground: A History of Poland in Two Volumes'', 2005, p. 386, , The official view was that the Poles had always had the inalienable and inevitable right to inhabit the Recovered Territories, even if prevented from doing so by foreign powers. Furthermore, the Piast concept was used to persuade the Allied Powers, who found it difficult to define a Polish "ethnographic territory", to assume that it would be an intolerable injustice to not "give the territories back". Because the Recovered Territories had been under German and Prussian rule for many centuries, many events of this history were perceived as part of "foreign" rather than "local" history in post-war Poland. Polish scholars thus concentrated on the Polish aspects of the territories: medieval Piast history of the region, the cultural, political and economic bonds to Poland, the history of the Polish-speaking population in Prussia and the "Drang nach Osten" as a historical constant since the Middle Ages. By 1949, the term "Recovered Territories" had been dropped from
Polish communist propaganda Communist propaganda played an important role in the Polish People's Republic, one of the largest and most important satellite states of the Soviet Union following WWII. Together with the use of force and terror it was instrumental in keeping the ...
, but it is still used occasionally in common language.Gregor Thum, ''Die fremde Stadt. Breslau nach 1945'', 2006, p. 298, , On the grounds that those areas should not be regarded as unique territories within the Polish state, the authorities began to refer to them instead as the "Western and Northern Lands".Martin Åberg, Mikael Sandberg, ''Social Capital and Democratisation: Roots of Trust in Post-Communist Poland and Ukraine'', Ashgate Publishing, Ltd., 2003,
Google Print, p. 51
Wolff and Cordell say that along with the debunking of communist historiography, "the 'recovered territories' thesis ... has been discarded", and that "it is freely admitted in some circles that on the whole 'the recovered territories' had a wholly German character", but that this view has not necessarily been transmitted to the whole of Polish society.Karl Cordell, Stefan Wolff (2005)
''Germany's Foreign Policy Towards Poland and the Czech Republic: Ostpolitik Revisited''
. p. 139. , . "In addition ... it has been relatively easy for Polish historians and others to attempt to debunk communist historiography and present a more balanced analysis of the past – and not only with respect to Germany. It has been controversial, and often painful, but nevertheless it has been done. For example, Poland's acquisition in 1945 of eastern German territories is increasingly presented as the price Germany paid for launching a total war, and then having lost it totally. The 'recovered territories' thesis previously applied in almost equal measures by the communists and Catholic Church has been discarded. Some circles freely admit that on the whole, 'the recovered territories' in fact had a wholly German character. The extent to which this fact transmitted to groups other than the socially and politically engaged is a matter of debate."
The term was also used outside Poland. In 1962,
pope John XXIII Pope John XXIII ( la, Ioannes XXIII; it, Giovanni XXIII; born Angelo Giuseppe Roncalli, ; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death in June 19 ...
referred to those territories as the "western lands after centuries recovered", and did not revise his statement, even under pressure of the German embassy. The term is still sometimes considered useful, due to the Polish existence in those lands that was still visible in 1945, by some prominent scholars, such as Krzysztof Kwaśniewski. After the Second World War, the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
annexed the Polish territories in the east, and encouraged or forced the Polish population from the region to move west. In the framework of the campaign, the Soviets put up posters in public places with messages that promised a better life in the West.


Polish minorities already living in the Recovered Territories

Since the time of the Piast dynasty, which unified many of the western Slavic tribes and ruled Poland from the 10th to the 14th centuries, ethnic Poles continued to live in these territories under foreign rule, including Bohemian, Hungarian, Austrian, Prussian, and from 1871 German, this despite the Germanization process ('' Ostsiedlung''), which began in the 13th century with the arrival of German, Dutch and Flemish colonists to
Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...
and
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
at the behest of the feudal
Silesian Piasts The Silesian Piasts were the elder of four lines of the Polish Piast dynasty beginning with Władysław II the Exile (1105–1159), eldest son of Duke Bolesław III of Poland. By Bolesław's testament, Władysław was granted Silesia as his h ...
and the
House of Griffins The House of Griffin or Griffin dynasty (german: Greifen; pl, Gryfici, da, Grif) was a dynasty ruling the Duchy of Pomerania from the 12th century until 1637. The name "Griffins" was used by the dynasty after the 15th century and had been take ...
. Likewise, in the 14th, 15th and 16th century many Polish settlers from
Mazovia Mazovia or Masovia ( pl, Mazowsze) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the unofficial capital and largest city. Throughout the centurie ...
migrated into the southern portions of the
Duchy of Prussia The Duchy of Prussia (german: Herzogtum Preußen, pl, Księstwo Pruskie, lt, Prūsijos kunigaikštystė) or Ducal Prussia (german: Herzogliches Preußen, link=no; pl, Prusy Książęce, link=no) was a duchy in the region of Prussia establish ...
. Before the outbreak of war, regions of
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
,
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
and
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
still contained significant ethnic Polish populations, and in many areas the Poles constituted a majority of the inhabitants. Under German rule, these communities faced discrimination and oppression. In 1924, an association of national minorities was founded in Germany, also representing the Polish minority. Jan Baczewski from
Warmia Warmia ( pl, Warmia; Latin: ''Varmia'', ''Warmia''; ; Warmian: ''Warńija''; lt, Varmė; Old Prussian: ''Wārmi'') is both a historical and an ethnographic region in northern Poland, forming part of historical Prussia. Its historic capital ...
, member of the
Landtag of Prussia The Landtag of Prussia (german: Preußischer Landtag) was the representative assembly of the Kingdom of Prussia implemented in 1849, a bicameral legislature consisting of the upper House of Lords (''Herrenhaus'') and the lower House of Represent ...
, initiated a law allowing the founding of schools for national minorities. In 1938, the Nazi government changed thousands of place-names (especially of cities and villages) of Polish origin to newly invented German place-names; about 50% of the existing names were changed in that year alone. Also, undercover operatives were sent to spy on Polish communities. Information was gathered on who sent their children to Polish schools, or bought Polish books and newspapers. Polish schools, printing presses, headquarters of Polish institutions as well as private homes and shops owned by Poles were routinely attacked by members of the ''Schutzstaffel'' (SS). Although, thousands of Poles forcefully or voluntary migrated to this lands during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
. Also, small isolated enclaves of ethnic Poles could be found in
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
,
Lubusz Land Lubusz Land ( pl, Ziemia lubuska; german: Land Lebus) is a historical region and cultural landscape in Poland and Germany on both sides of the Oder river. Originally the settlement area of the Lechites, the swampy area was located east of Branden ...
and
Lower Silesia Lower Silesia ( pl, Dolny Śląsk; cz, Dolní Slezsko; german: Niederschlesien; szl, Dolny Ślōnsk; hsb, Delnja Šleska; dsb, Dolna Šlazyńska; Silesian German: ''Niederschläsing''; la, Silesia Inferior) is the northwestern part of the ...
. These included scattered villages which remained ethnically Polish and large cities such as
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
(''Breslau''), Szczecin (''Stettin'') and
Zielona Góra Zielona Góra is the largest city in Lubusz Voivodeship, located in western Poland, with 140,403 inhabitants (2021). Zielona Góra has a favourable geographical position, being close to the Polish-German border and on several international road ...
(''Grünberg in Schlesien'') which contained small Polish communities.


Origin of the post-war population according to 1950 census

During the Polish post-war census of December 1950, data about the pre-war places of residence of the inhabitants as of August 1939 was collected. In case of children born between September 1939 and December 1950, their place of residence was reported based on the pre-war places of residence of their mothers. Thanks to this data it is possible to reconstruct the pre-war geographical origin of the post-war population. Many areas located near the pre-war German border were resettled by people from neighbouring borderland areas of pre-war Poland. For example,
Kashubians The Kashubians ( csb, Kaszëbi; pl, Kaszubi; german: Kaschuben), also known as Cassubians or Kashubs, are a Lechitic ( West Slavic) ethnic group native to the historical region of Pomerania, including its eastern part called Pomerelia, in nor ...
from pre-war Polish Corridor settled in nearby areas of German Pomerania adjacent to Polish Pomerania. People from Poznań region of pre-war Poland settled in East Brandenburg. People from
East Upper Silesia East Upper Silesia (german: Ostoberschlesien) is the easternmost extremity of Silesia, the eastern part of the Upper Silesian region around the city of Katowice (german: Kattowitz).Isabel Heinemann, ''"Rasse, Siedlung, deutsches Blut": das Rasse- u ...
moved into the rest of Silesia. And people from
Masovia Mazovia or Masovia ( pl, Mazowsze) is a historical region in mid-north-eastern Poland. It spans the North European Plain, roughly between Łódź and Białystok, with Warsaw being the unofficial capital and largest city. Throughout the centurie ...
and from Sudovia moved into adjacent
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
. Poles expelled from former Polish territories in the east (today mainly parts of
Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
,
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...
and Lithuania) settled in large numbers everywhere in the Recovered Territories (but many of them also settled in central Poland).


Polonization of the Recovered Territories

The People's Republic had to locate its population inside the new frontiers in order to solidify the hold over the territories. With the
Kresy Eastern Borderlands ( pl, Kresy Wschodnie) or simply Borderlands ( pl, Kresy, ) was a term coined for the eastern part of the Second Polish Republic during the History of Poland (1918–1939), interwar period (1918–1939). Largely agricultural ...
annexed by the Soviet Union, Poland was effectively moved westwards and its area reduced by almost 20% (from ). Millions of non-Poles – mainly Germans from the Recovered Territories, as well as some Ukrainians in the east – were to be expelled from the new Poland, while large numbers of Poles needed to be resettled having been expelled from the Kresy. The expellees were termed "repatriates". The result was the largest exchange of population in European history. The picture of the new western and northern territories being recovered Piast territory was used to forge Polish settlers and "repatriates" arriving there into a coherent community loyal to the new regime,Martin Åberg, Mikael Sandberg, ''Social Capital and Democratisation: Roots of Trust in Post-Communist Poland and Ukraine'', Ashgate Publishing, Ltd., 2003,
Google Print, p.79
and to justify the removal of the German inhabitants. Largely excepted from the expulsions of Germans were the " autochthons", close to three million ethnically Polish/Slavic inhabitants of
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
( Masurs),
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
(
Kashubians The Kashubians ( csb, Kaszëbi; pl, Kaszubi; german: Kaschuben), also known as Cassubians or Kashubs, are a Lechitic ( West Slavic) ethnic group native to the historical region of Pomerania, including its eastern part called Pomerelia, in nor ...
,
Slovincians Slovincians, also known as Łeba Kashubians, is a near-extinct ethnic subgroup of the Kashubian people, who originated from the north western Kashubia, located in the Pomeranian Voivodeship, Poland, from the area around the lakes of Łebsko and G ...
) and
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
(
Silesians Silesians ( szl, Ślōnzŏki or Ślůnzoki; Silesian German: ''Schläsinger'' ''or'' ''Schläsier''; german: Schlesier; pl, Ślązacy; cz, Slezané) is a geographical term for the inhabitants of Silesia, a historical region in Central Euro ...
). The Polish government aimed to retain as many autochthons as possible, as their presence on former German territory was used to indicate the intrinsic "Polishness" of the area and justify its incorporation into the Polish state as "recovered" territories. "Verification" and "national rehabilitation" processes were set up to reveal a "dormant Polishness" and determine who was redeemable as a Polish citizen. Few were actually expelled.Tomasz Kamusella in Prauser and Reeds (eds), ''The Expulsion of the German communities from Eastern Europe'', p.28, EUI HEC 2004/

The "autochthons" not only disliked the subjective and often arbitrary verification process, but they also faced discrimination even after completing it, such as the Polonization of their names. In the Lubusz Voivodeship, Lubusz region (former East Brandenburg), the local authorities conceded already in 1948 that what the PZZ claimed to be a recovered "autochton" Polish population were in fact Germanized migrant workers, who had settled in the region in the late 19th and early 20th centuries – with the exception of one village,
Babimost Babimost (german: Bomst) is a small town in western Poland in Zielona Góra County, Lubusz Voivodeship. It is the administrative seat of Gmina Babimost. As of December 2021, it has a population of 3,847. Geography The town is situated on the Le ...
, just across the pre-war border. File:Oder-neisse.gif, Pre-1945 administrative division (yellow) File:POLSKA 14-03-1945.png, Projected Polish administration (Okreg I-IV) in March, 1945 File:POLSKA 28-06-1946.png, Integration into the
Voivodeships of Poland , alt_name = province, state , map = , category = Provinces (unitary local government subdivision) , territory = Republic of Poland , start_date = , current_number = 16 voivodeships ...
as of June, 1946 File:Northern and Western Territories.PNG, Present-day administrative division of Poland, Western and Northern Lands in dark green


Removal of Germans and traces of German habitation

The Communist authorities of the Polish People's Republic and some Polish citizens desired to erase all traces of German rule. The "Recovered Territories" after the transfer still contained a substantial German population. The Polish administration set up a "Ministry for the Recovered Territories", headed by the then deputy prime minister
Władysław Gomułka Władysław Gomułka (; 6 February 1905 – 1 September 1982) was a Polish communist politician. He was the ''de facto'' leader of post-war Poland from 1947 until 1948. Following the Polish October he became leader again from 1956 to 1970. G ...
.Karl Cordell, Andrzej Antoszewski, ''Poland and the European Union'', 2000, p.167, , A "Bureau for Repatriation" was to supervise and organize the expulsions and resettlements. According to the national census of 14 February 1946, the population of Poland still included 2,288,300 Germans, of which 2,036,439—nearly 89 per cent—lived in the ''Recovered Territories''. By this stage Germans still constituted more than 42 per cent of the inhabitants of these regions, since their total population according to the 1946 census was 4,822,075. However, by 1950 there were only 200,000 Germans remaining in Poland, and by 1957 that number fell to 65,000. The flight and expulsion of the remaining Germans in the first post-war years presaged a broader campaign to remove signs of former German rule. More than 30,000 German placenames were replaced with PolishDan Diner, Raphael Gross, Yfaat Weiss, ''Jüdische Geschichte als allgemeine Geschichte'', p.164 or Polonized medieval Slavic ones.Gregor Thum, ''Die fremde Stadt. Breslau nach 1945'', 2006, p.344, , Tomasz Kamusella and Terry Sullivan in Karl Cordell, ''Ethnicity and Democratisation in the New Europe'', 1999, pp.175ff, , Previous Slavic and Polish names used before German settlements had been established; in the cases when one was absent either the German name was translated or new names were invented. In January 1946, a Committee for Settling of Place Names was set up to assign new official toponyms. The German language was banned from public schools, government media and church services. Many German monuments, graveyards, buildings or entire ensembles of buildings were demolished. Objects of art were moved to other parts of the country. German inscriptions were erased, including those on religious objects, in churches and in cemeteries. In
Ziemia Lubuska Lubusz Land ( pl, Ziemia lubuska; german: Land Lebus) is a historical region and cultural landscape in Poland and Germany on both sides of the Oder river. Originally the settlement area of the Lechites, the swampy area was located east of Brand ...
"Socialist competitions" were organized to search and destroy final German traces. Historian John Kulczycki argues that the Communist authorities discovered that forging an ethnically homogeneous Poland in the Recovered Territories was quite complicated, for it was difficult to differentiate German speakers who were "really" Polish and those who were not. The government used criteria that involved explicit links to Polish ethnicity, as well the person's conduct. Local verification commissions had wide latitude in determining who was or was not Polish and should remain. Their decisions were based on the nationalist assumption that an individual's national identity is a lifetime "ascriptive" characteristic acquired at birth and not easily changed. However people who "betrayed" their Polish heritage by their political words or actions were excluded from the Polish nation. Everyone else was labelled as "Polish" and had to remain in their "native" land – even if they wanted to emigrate to Germany.


Resettlement of the Territories

According to the 1939 Nazi
German census A national census in Germany (german: Volkszählung) was held every five years from 1875 to 1910. After the World Wars, only a few full population censuses have been held, the last in 1987. The most recent census, though not a national census, wa ...
, the territories were inhabited by 8,855,000 people, including a Polish minority in the territories' easternmost parts.
Piotr Eberhardt Piotr Eberhardt (December 27, 1935 – September 10, 2020) was a Polish geographer, a professor at the Polish Academy of Science and author of studies in the field of demography and population geography. His works included the ethnic problems of Ce ...
, Jan Owsinski, ''Ethnic Groups and Population Changes in Twentieth-century Central-Eastern Europe: History, Data, Analysis'', 2003, pp.142ff, ,
However these data, concerning ethnic minorities, that came from the census conducted during the reign of the
NSDAP The Nazi Party, officially the National Socialist German Workers' Party (german: Nationalsozialistische Deutsche Arbeiterpartei or NSDAP), was a far-right political party in Germany active between 1920 and 1945 that created and supported t ...
(Nazi Party) is usually not considered by historians and demographers as trustworthy but as drastically falsified. Therefore, while this German census placed the number of Polish-speakers and bilinguals below 700,000 people, Polish demographers have estimated that the actual number of Poles in the former German East was between 1.2 and 1.3 million. In the 1.2 million figure, approximately 850,000 were estimated for the
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
n regions, 350,000 for southern East Prussia and 50,000 for the rest of the territories. People from all over Poland quickly moved in to replace the former German population in a process parallel to the expulsions, with the first settlers arriving in March 1945. These settlers took over farms and villages close to the pre-war frontier while the
Red Army The Workers' and Peasants' Red Army ( Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, afte ...
was still advancing. In addition to the settlers, other Poles went for "szaber" or looting expeditions, soon affecting all
former eastern territories of Germany The former eastern territories of Germany (german: Ehemalige deutsche Ostgebiete) refer in present-day Germany to those territories east of the current eastern border of Germany i.e. Oder–Neisse line which historically had been considered Ger ...
. On 30 March 1945, the Gdańsk Voivodeship was established as the first administrative Polish unit in the "recovered" territories. While the Germans were interned and expelled, close to 5 million settlersKarl Cordell, Andrzej Antoszewski, ''Poland and the European Union'', 2000, p.168, , : gives 4.55 million in the first years were either attracted or forced to settle the areas between 1945 and 1950. An additional 1,104,000 people had declared Polish nationality and were allowed to stay (851,000 of those in
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
), bringing up the number of Poles to 5,894,600 as of 1950. The settlers can be grouped according to their background: *settlers from Central Poland moving voluntarily (the majority) *Poles that had been freed from
forced labor in Nazi Germany The use of slave and forced labour in Nazi Germany (german: Zwangsarbeit) and throughout German-occupied Europe during World War II took place on an unprecedented scale. It was a vital part of the German economic exploitation of conquered t ...
(up to two million) *so-called "repatriants": Poles expelled from the areas east of the new Polish-Soviet border were preferably settled in the new western territories, where they made up 26% of the population (up to two million) *non-Poles forcibly resettled during the
Operation Vistula Operation Vistula ( pl, Akcja Wisła; uk, Опера́ція «Ві́сла») was a codename for the 1947 forced resettlement of 150,000 Ukrainians (Boykos and Lemkos) from the south-eastern provinces of post-war Poland, to the Recovered Te ...
in 1947. Large numbers of Ukrainians were forced to move from south-eastern Poland under a 1947 Polish government operation aimed at dispersing, and therefore assimilating, those Ukrainians who had not been expelled eastward already, throughout the newly acquired territories. Belarusians living around the area around Białystok were also pressured into relocating to the formerly German areas for the same reasons. This scattering of members of non-Polish ethnic groups throughout the country was an attempt by the Polish authorities to dissolve the unique ethnic identity of groups like the Ukrainians, Belarusians and
Lemkos Lemkos ( rue, Лeмкы, translit= Lemkŷ; pl, Łemkowie; uk, Лемки, translit=Lemky) are an ethnic group inhabiting the Lemko Region ( rue, Лемковина, translit=Lemkovyna; uk, Лемківщина, translit=Lemkivshchyna) of Car ...
, and broke the proximity and communication necessary for strong communities to form. *Tens of thousands of
Jewish Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...
Holocaust The Holocaust, also known as the Shoah, was the genocide of European Jews during World War II. Between 1941 and 1945, Nazi Germany and its collaborators systematically murdered some six million Jews across German-occupied Europe; ...
-survivors, most of them " repatriates" from the East, settled mostly in
Lower Silesia Lower Silesia ( pl, Dolny Śląsk; cz, Dolní Slezsko; german: Niederschlesien; szl, Dolny Ślōnsk; hsb, Delnja Šleska; dsb, Dolna Šlazyńska; Silesian German: ''Niederschläsing''; la, Silesia Inferior) is the northwestern part of the ...
, creating Jewish cooperatives and institutions – the largest communities were founded in
Wrocław Wrocław (; german: Breslau, or . ; Silesian German: ''Brassel'') is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the River Oder in the Silesian Lowlands of Central Europe, rou ...
(Breslau, Lower Silesia), Szczecin (Stettin,
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
) and
Wałbrzych Wałbrzych (; german: Waldenburg; szl, Wałbrzich; sli, label= Lower Silesian, Walmbrig or ''Walmbrich''; cs, Valbřich or ) is a city located in the Lower Silesian Voivodeship, in southwestern Poland. From 1975–1998 it was the capital of Wa ...
(Waldenburg, Lower Silesia). However most of them left Poland in 1968 due to the Polish 1968 political crisis. *
Greeks The Greeks or Hellenes (; el, Έλληνες, ''Éllines'' ) are an ethnic group and nation indigenous to the Eastern Mediterranean and the Black Sea regions, namely Greece, Cyprus, Albania, Italy, Turkey, Egypt, and, to a lesser extent, oth ...
and Macedonians,
refugees of the Greek Civil War During and after the Greek Civil War of 1946–1949, members and or supporters of the defeated Communist forces fled Greece as political refugees. The collapse of the Democratic Army of Greece (DSE) and subsequent evacuation of the Communist Party o ...
(around 10,000 people) Polish and Soviet newspapers and officials encouraged Poles to relocate to the west – "the land of opportunity". These new territories were described as a place where opulent villas abandoned by fleeing Germans waited for the brave; fully furnished houses and businesses were available for the taking. In fact, the areas were devastated by the war, the infrastructure largely destroyed, suffering high crime rates and looting by gangs. It took years for civil order to be established. In 1970, the Polish population of the Northern and Western territories for the first time caught up to the pre-war population level (8,711,900 in 1970 vs 8,855,000 in 1939). In the same year, the population of the other Polish areas also reached its pre-war level (23,930,100 in 1970 vs 23,483,000 in 1939). While the estimates of how many Germans remained vary, a constant German exodus took place even after the expulsions. Between 1956 and 1985, 407,000 people from
Silesia Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is split ...
and about 100,000 from Warmia-Masuria declared German nationality and left for Germany. In the early 1990s, after the Polish Communist regime had collapsed 300,000-350,000 people declared themselves German. Today the population of the territories is predominantly Polish, although a small German minority still exists in a few places, including
Olsztyn Olsztyn ( , ; german: Allenstein ; Old Prussian: ''Alnāsteini'' * Latin: ''Allenstenium'', ''Holstin'') is a city on the Łyna River in northern Poland. It is the capital of the Warmian-Masurian Voivodeship, and is a city with county rights. ...
,
Masuria Masuria (, german: Masuren, Masurian: ''Mazurÿ'') is a ethnographic and geographic region in northern and northeastern Poland, known for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the ...
, and
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
, particularly in
Opole Voivodeship Opole Voivodeship, or Opole Province ( pl, województwo opolskie ), is the smallest and least populated voivodeship (province) of Poland. The province's name derives from that of the region's capital and largest city, Opole. It is part of Upper Si ...
(the area of Opole,
Strzelce Opolskie Strzelce Opolskie (german: Groß Strehlitz, szl, Wielge Strzelce) is a town in southern Poland with 17,900 inhabitants (2019), situated in the Opole Voivodeship. It is the capital of Strzelce County. Demographics Strzelce Opolskie is one of the ...
,
Prudnik Prudnik (, szl, Prudnik, Prōmnik, german: Neustadt in Oberschlesien, Neustadt an der Prudnik, la, Prudnicium) is a town in southern Poland, located in the southern part of Opole Voivodeship near the border with the Czech Republic. It is the ...
,
Kędzierzyn-Koźle Kędzierzyn-Koźle (german: Kandrzin-Cosel, szl, Kandrzin-Koźle) is a city in southern Poland, the administrative center of Kędzierzyn-Koźle County. With 58,899 inhabitants as of 2021, it is the second most-populous city in the Opole Voivode ...
and Krapkowice).


Role of the Recovered Territories in the Communists' rise to power

The Communist government, not democratically legitimized, sought to legitimize itself through anti-German propaganda. The German "revanchism" was played up as a permanent German threat, with the Communists being the only guarantors and defenders of Poland's continued possession of the "Recovered Territories". Gomułka asserted that:
The western territories are one of the reasons the government has the support of the people. This neutralizes various elements and brings people together. Westward expansion and agricultural reform will bind the nation with the state. Any retreat would weaken our domestic position.
The redistribution of "ownerless property" among the people by the regime brought it broad-based popular sympathy. After the Second World War, the Soviet Union annexed the Polish territory of the
Kresy Eastern Borderlands ( pl, Kresy Wschodnie) or simply Borderlands ( pl, Kresy, ) was a term coined for the eastern part of the Second Polish Republic during the History of Poland (1918–1939), interwar period (1918–1939). Largely agricultural ...
—located east of the
Curzon line The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Soviet Union, two new states emerging after World War I. It was first proposed by The 1st Earl Curzon of Kedleston, the British Foreign Secretary, to ...
—and encouraged or forced ethnic minorities in these parts of Poland, including ethnic Poles, to move west. In the framework of the campaign, Soviets exhibited posters in public places with messages such as,


Legal status of the territories

During the Cold War the official position in the First World was that the concluding document of the
Potsdam Conference The Potsdam Conference (german: Potsdamer Konferenz) was held at Potsdam in the Soviet occupation zone from July 17 to August 2, 1945, to allow the three leading Allies to plan the postwar peace, while avoiding the mistakes of the Paris P ...
was not an international
treaty A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal pe ...
, but a mere
memorandum A memorandum ( : memoranda; abbr: memo; from the Latin ''memorandum'', "(that) which is to be remembered") is a written message that is typically used in a professional setting. Commonly abbreviated "memo," these messages are usually brief and ...
. It regulated the issue of the German eastern border, which was to be the Oder-Neisse line, but the final article of the memorandum said that the final status of the German state and therefore its territories were subject to a separate peace treaty between Germany and the
Allies of World War II The Allies, formally referred to as the United Nations from 1942, were an international military coalition formed during the Second World War (1939–1945) to oppose the Axis powers, led by Nazi Germany, Imperial Japan, and Fascist Italy ...
. During the period from 1945 to 1990 two treaties between Poland and both
East East or Orient is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fac ...
and
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
were signed concerning the German-Polish border. In 1950 the German Democratic Republic and the People's Republic of Poland signed the
Treaty of Zgorzelec The Treaty of Zgorzelec (Full title ''The Agreement Concerning the Demarcation of the Established and the Existing Polish-German State Frontier'', also known as the ''Treaty of Görlitz'' and ''Treaty of Zgorzelic'') between the Republic of Po ...
, recognizing the Oder-Neisse line, officially designated by the Communists as the "Border of Peace and Friendship". On 7 December 1970 the Treaty of Warsaw between the Federal Republic of Germany and Poland was signed concerning the Polish western border. Both sides committed themselves to nonviolence and accepted the existing ''de facto'' border—the Oder-Neisse line. However a final treaty was not signed until 1990 as the "
Treaty on the Final Settlement With Respect to Germany The Treaty on the Final Settlement with Respect to Germany (german: Vertrag über die abschließende Regelung in Bezug auf Deutschland; rus, Договор об окончательном урегулировании в отношении Ге� ...
". Until the Treaty on the Final Settlement, the West German government regarded the status of the German territories east of the Oder-Neisse rivers as that of areas "temporarily under Polish or Soviet administration". To facilitate wide international acceptance of German reunification in 1990, the German political establishment recognized the "
facts on the ground Facts on the ground is a diplomatic and geopolitical term that means the situation in reality as opposed to in the abstract. The term was popularised in the 1970s in discussions of the Israeli–Palestinian conflict to refer to Israeli settlement ...
" and accepted the clauses in the Treaty on the Final Settlement whereby Germany renounced all claims to territory east of the Oder-Neisse line. This allowed the treaty to be negotiated quickly and for unification of democratic West Germany and socialist East Germany to go ahead quickly. In accordance with a duty imposed on Germany by the Treaty on the Final Settlement, in the same year, 1990, Germany signed a separate treaty with Poland, the German-Polish Border Treaty, confirming the two countries' present borders. The signature and ratification of the border treaty between Germany and Poland formalized in international law the recognition of the existing border and put an end to all qualified German claims.


See also

*
Polish areas annexed by Nazi Germany Following the Invasion of Poland at the beginning of World War II, nearly a quarter of the entire territory of the Second Polish Republic was annexed by Nazi Germany and placed directly under the German civil administration. The rest of Naz ...
*
Territories of Poland annexed by the Soviet Union Seventeen days after the German invasion of Poland in 1939, which marked the beginning of the Second World War, the Soviet Union entered the eastern regions of Poland (known as the '' Kresy'') and annexed territories totalling with a population ...
* Kaliningrad question * History of German settlement in Central and Eastern Europe *
Former eastern territories of Germany The former eastern territories of Germany (german: Ehemalige deutsche Ostgebiete) refer in present-day Germany to those territories east of the current eastern border of Germany i.e. Oder–Neisse line which historically had been considered Ger ...
* Territorial changes of Poland after World War II * Territorial evolution of Poland *
Polish nationalism Polish nationalism is a form of nationalism which asserts that the Poles are a nation and promotes the cultural unity of Poles. Norman Davies, in the context of Polish nationalism, generally defined nationalism as "a doctrine ... to create a n ...
*
Irredentism Irredentism is usually understood as a desire that one state annexes a territory of a neighboring state. This desire is motivated by ethnic reasons (because the population of the territory is ethnically similar to the population of the parent sta ...
* Poland A and B *
Polonization Polonization (or Polonisation; pl, polonizacja)In Polish historiography, particularly pre-WWII (e.g., L. Wasilewski. As noted in Смалянчук А. Ф. (Smalyanchuk 2001) Паміж краёвасцю і нацыянальнай ідэя� ...
*
Germanization Germanisation, or Germanization, is the spread of the German language, people and culture. It was a central idea of German conservative thought in the 19th and the 20th centuries, when conservatism and ethnic nationalism went hand in hand. In ling ...
* Russification


References

{{Borders of Poland Aftermath of World War II in Germany Aftermath of World War II in Poland Borders of Germany Borders of Poland Deportation Geographic history of Germany Germany–Poland relations Poland in World War II Polish irredentism Stalinism in Poland Territorial evolution of Germany Annexation Post–World War II forced migrations