The Treaty of Verdun (; ), agreed to on 10 August 843, ended the
Carolingian civil war
The Carolingian civil war was a violent crisis over the succession to the Carolingian Empire following the death of Emperor Louis the Pious in June 840 and lasting until the Treaty of Verdun in August 843. Louis's eldest son, the emperor Lothar I, ...
and divided the
Carolingian Empire
The Carolingian Empire (800–887) was a Franks, Frankish-dominated empire in Western and Central Europe during the Early Middle Ages. It was ruled by the Carolingian dynasty, which had ruled as List of Frankish kings, kings of the Franks since ...
between
Lothair I
Lothair I (9th. C. Frankish: ''Ludher'' and Medieval Latin: ''Lodharius''; Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario''; 795 – 29 September 855) was a 9th-century emperor of the ...
,
Louis II and
Charles II, the surviving sons of the emperor
Louis I Louis I may refer to:
Cardinals
* Louis I, Cardinal of Guise (1527–1578)
Counts
* Ludwig I, Count of Württemberg (c. 1098–1158)
* Louis I of Blois (1172–1205)
* Louis I of Flanders (1304–1346)
* Louis I of Châtillon (died 13 ...
. The treaty was the culmination of negotiations lasting more than a year. It was the first in a series of partitions contributing to the dissolution of the empire created by
Charlemagne
Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...
and has been seen as foreshadowing the formation of many of the modern countries of
western Europe
Western Europe is the western region of Europe. The region's extent varies depending on context.
The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the Western half of the ancient Mediterranean ...
.
The treaty was the first of the four partition treaties of the
Carolingian Empire
The Carolingian Empire (800–887) was a Franks, Frankish-dominated empire in Western and Central Europe during the Early Middle Ages. It was ruled by the Carolingian dynasty, which had ruled as List of Frankish kings, kings of the Franks since ...
, followed by the Treaties of
Prüm
Prüm () is a town in the Westeifel (Rhineland-Palatinate), Germany. Formerly a district capital, today it is the administrative seat of the ''Verbandsgemeinde'' ("collective municipality") Prüm (Verbandsgemeinde), Prüm.
Geography
Prüm lies o ...
(855),
Meerssen (870), and
Ribemont (880).
Background
Following Charlemagne's death, Louis was made ruler of the Frankish Empire.
Agobard
Agobard of Lyon (–840) was a Spain, Spanish-born priest and archbishop of Lyon, during the Carolingian Renaissance. The author of multiple treatises, ranging in subject matter from the Byzantine Iconoclasm, iconoclast controversy to Spanish Ado ...
, archbishop of Lyon, opposed the division of the empire, as he claimed that it would divide the
church
Church may refer to:
Religion
* Church (building), a place/building for Christian religious activities and praying
* Church (congregation), a local congregation of a Christian denomination
* Church service, a formalized period of Christian comm ...
. During his reign,
Louis the Pious
Louis the Pious (; ; ; 16 April 778 – 20 June 840), also called the Fair and the Debonaire, was King of the Franks and Holy Roman Emperor, co-emperor with his father, Charlemagne, from 813. He was also King of Aquitaine from 781. As the only ...
divided the empire so that each of his sons could rule over their own kingdom under the greater rule of their father. Louis’ eldest son,
Lothair I
Lothair I (9th. C. Frankish: ''Ludher'' and Medieval Latin: ''Lodharius''; Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario''; 795 – 29 September 855) was a 9th-century emperor of the ...
, was given the title of emperor but because of several re-divisions by his father and the resulting revolts, he became much less powerful. When Louis died in 840, Lothair I claimed overlordship over the entirety of his father's kingdom in an attempt to reclaim the power he had at the beginning of his reign as
emperor
The word ''emperor'' (from , via ) can mean the male ruler of an empire. ''Empress'', the female equivalent, may indicate an emperor's wife (empress consort), mother/grandmother (empress dowager/grand empress dowager), or a woman who rules ...
.
He also supported his nephew
Pepin II's claim to
Aquitaine
Aquitaine (, ; ; ; ; Poitevin-Saintongeais: ''Aguiéne''), archaic Guyenne or Guienne (), is a historical region of southwestern France and a former Regions of France, administrative region. Since 1 January 2016 it has been part of the administ ...
, a large province in the west of the
Frankish realm
The Kingdom of the Franks (), also known as the Frankish Kingdom, or just Francia, was the largest post-Roman barbarian kingdom in Western Europe. It was ruled by the Frankish Merovingian and Carolingian dynasties during the Early Middle A ...
. Lothair's brother,
Louis II, and his half-brother
Charles II refused to acknowledge Lothair's
suzerainty
A suzerain (, from Old French "above" + "supreme, chief") is a person, state (polity)">state or polity who has supremacy and dominant influence over the foreign policy">polity.html" ;"title="state (polity)">state or polity">state (polity)">st ...
and declared war against him.
After a bloody civil war, they defeated Lothair at the
Battle of Fontenoy
The Battle of Fontenoy took place on 11 May 1745 during the War of the Austrian Succession, near Tournai, then in the Austrian Netherlands, now Belgium. A French army of 50,000 under Maurice, comte de Saxe, Marshal Saxe defeated a Pragmatic Ar ...
in 841 and sealed their alliance in 842 with the
Oaths of Strasbourg
The Oaths of Strasbourg were a military pact made on 14 February 842 by Charles the Bald and Louis the German against their older brother Lothair I, the designated heir of Louis the Pious, the successor of Charlemagne. One year later the Treaty ...
which declared Lothair unfit for the imperial throne, after which he became willing to negotiate a settlement.
The meeting happened shortly before August 10, as confirmed by a contemporary letter.
Provisions

Each of the three brothers was already established in one kingdom: Lothair in the
Kingdom of Italy
The Kingdom of Italy (, ) was a unitary state that existed from 17 March 1861, when Victor Emmanuel II of Kingdom of Sardinia, Sardinia was proclamation of the Kingdom of Italy, proclaimed King of Italy, until 10 June 1946, when the monarchy wa ...
; Louis the German in the
Kingdom of Bavaria
The Kingdom of Bavaria ( ; ; spelled ''Baiern'' until 1825) was a German state that succeeded the former Electorate of Bavaria in 1806 and continued to exist until 1918. With the unification of Germany into the German Empire in 1871, the kingd ...
; and Charles II in the
Kingdom of Aquitaine.
*
Lothair I
Lothair I (9th. C. Frankish: ''Ludher'' and Medieval Latin: ''Lodharius''; Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario''; 795 – 29 September 855) was a 9th-century emperor of the ...
received
''Francia Media'' (the Middle Frankish kingdom).
::In the settlement, Lothair (who had been named co-emperor in 817) retained his title as emperor, but it conferred only nominal overlordship of his brothers' lands. His domain later became the
Low Countries
The Low Countries (; ), historically also known as the Netherlands (), is a coastal lowland region in Northwestern Europe forming the lower Drainage basin, basin of the Rhine–Meuse–Scheldt delta and consisting today of the three modern "Bene ...
, the Rhineland west of the Rhine,
Lorraine
Lorraine, also , ; ; Lorrain: ''Louréne''; Lorraine Franconian: ''Lottringe''; ; ; is a cultural and historical region in Eastern France, now located in the administrative region of Grand Est. Its name stems from the medieval kingdom of ...
,
Alsace
Alsace (, ; ) is a cultural region and a territorial collectivity in the Grand Est administrative region of northeastern France, on the west bank of the upper Rhine, next to Germany and Switzerland. In January 2021, it had a population of 1,9 ...
,
Burgundy
Burgundy ( ; ; Burgundian: ''Bregogne'') is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. ...
,
Provence
Provence is a geographical region and historical province of southeastern France, which stretches from the left bank of the lower Rhône to the west to the France–Italy border, Italian border to the east; it is bordered by the Mediterrane ...
, and the Kingdom of Italy (which covered the northern half of the
Italian Peninsula). He also received the two imperial cities,
Aachen
Aachen is the List of cities in North Rhine-Westphalia by population, 13th-largest city in North Rhine-Westphalia and the List of cities in Germany by population, 27th-largest city of Germany, with around 261,000 inhabitants.
Aachen is locat ...
and
Rome
Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
.
*
Louis II received
''Francia Orientalis'' (the East Frankish kingdom).
::He was guaranteed the kingship of all lands to the east of the
Rhine
The Rhine ( ) is one of the List of rivers of Europe, major rivers in Europe. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms part of the Swiss-Liechtenstein border, then part of the Austria–Swit ...
(although not the Netherlands to the north of the Rhine) and to the north and east of
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
, altogether called East Francia. It eventually became the
High Medieval
The High Middle Ages, or High Medieval Period, was the periodization, period of European history between and ; it was preceded by the Early Middle Ages and followed by the Late Middle Ages, which ended according to historiographical convention ...
Kingdom of Germany
The Kingdom of Germany or German Kingdom ( 'kingdom of the Germans', 'German kingdom', "kingdom of Germany", ) was the mostly Germanic language-speaking East Frankish kingdom, which was formed by the Treaty of Verdun in 843. The king was elec ...
, the largest component of the
Holy Roman Empire
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
.
*
Charles II received
''Francia Occidentalis'' (the West Frankish kingdom).
::
Pepin II was granted the
Kingdom of Aquitaine, but only under the authority of Charles. Charles received all lands west of the
Rhône
The Rhône ( , ; Occitan language, Occitan: ''Ròse''; Franco-Provençal, Arpitan: ''Rôno'') is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and Southeastern France before dischargi ...
, called West Francia. It eventually became the
Kingdom of France
The Kingdom of France is the historiographical name or umbrella term given to various political entities of France in the Middle Ages, medieval and Early modern France, early modern period. It was one of the most powerful states in Europe from th ...
.
After Lothair's death in 855, his eldest son,
Louis II, inherited Italy and his father's claim to the Imperial throne.
Upper Burgundy
Upper Burgundy (; ) was a historical region in the early medieval Burgundy, and a distinctive realm known as the ''Kingdom of Upper Burgundy'', that existed from 888 to 933, when it was incorporated into the reunited Kingdom of Burgundy, that ...
and
Lower Burgundy
Lower Burgundy (; ) was a historical region in the early medieval Burgundy, and a distinctive realm known as the ''Kingdom of Lower Burgundy'', that existed from 879 to 933, when it was incorporated into the reunited Kingdom of Burgundy. During t ...
(
Arles
Arles ( , , ; ; Classical ) is a coastal city and Communes of France, commune in the South of France, a Subprefectures in France, subprefecture in the Bouches-du-Rhône Departments of France, department of the Provence-Alpes-Côte d'Azur Reg ...
and
Provence
Provence is a geographical region and historical province of southeastern France, which stretches from the left bank of the lower Rhône to the west to the France–Italy border, Italian border to the east; it is bordered by the Mediterrane ...
) passed to Lothair's third son,
Charles of Provence
Charles of Provence or Charles of Burgundy (84525 January 863) was a Carolingian king and ruler of Provence and Lower Burgundy from 855 until his early death in 863.
Charles was the youngest son of Emperor Lothair I and Ermengarde of Tours.
...
. The remaining territory north of the
Alps
The Alps () are some of the highest and most extensive mountain ranges in Europe, stretching approximately across eight Alpine countries (from west to east): Monaco, France, Switzerland, Italy, Liechtenstein, Germany, Austria and Slovenia.
...
, which did not previously have a name, was inherited by Lothair's second son,
Lothair II
Lothair II (835 – 8 August 869) was a Carolingian king and ruler of northern parts of Middle Francia, that came to be known as Lotharingia, reigning there from 855 until his death in 869. He also ruled over Burgundy, holding from 855 just th ...
, and was then named
Lotharingia
Lotharingia was a historical region and an early medieval polity that existed during the late Carolingian and early Ottonian era, from the middle of the 9th to the middle of the 10th century. It was established in 855 by the Treaty of Prüm, a ...
(present day
Lorraine
Lorraine, also , ; ; Lorrain: ''Louréne''; Lorraine Franconian: ''Lottringe''; ; ; is a cultural and historical region in Eastern France, now located in the administrative region of Grand Est. Its name stems from the medieval kingdom of ...
) after him.
Legacy
The division reflected an adherence to the old
Frankish custom of
partible or divisible inheritance amongst a ruler's sons, rather than
primogeniture
Primogeniture () is the right, by law or custom, of the firstborn Legitimacy (family law), legitimate child to inheritance, inherit all or most of their parent's estate (law), estate in preference to shared inheritance among all or some childre ...
(i.e., inheritance by the eldest son) which would soon be adopted by both Frankish kingdoms. Since Lotharingia combined lengthy and vulnerable land borders with poor internal communications as it was severed by the
Alps
The Alps () are some of the highest and most extensive mountain ranges in Europe, stretching approximately across eight Alpine countries (from west to east): Monaco, France, Switzerland, Italy, Liechtenstein, Germany, Austria and Slovenia.
...
, it was not a viable entity and soon fragmented. This made it difficult for a single ruler to reassemble Charlemagne's empire. Only
Charles the Fat
Charles the Fat (839 – 13 January 888) was the emperor of the Carolingian Empire from 881 to 887. A member of the Carolingian dynasty, Charles was the youngest son of Louis the German and Hemma, and a great-grandson of Charlemagne. He was t ...
achieved this briefly.
In 855, the northern section became fragile Lotharingia, which became
disputed by the more powerful states that evolved out of Francia Occidentalis (present day ''
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
'') and Francia Orientalis (present day ''
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
''). Generations of kings of France and Germany were unable to establish a firm rule over Lothair's kingdom.
While the
north of Lotharingia was then composed of
independent countries, the
southern third of Lotharingia,
Alsace-Lorraine, was traded back and forth between
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
and
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
from the 18th to the 20th century. In 1766, it passed to France after the death of
Stanisław Leszczyński
Stanisław I Leszczyński (Stanisław Bogusław; 20 October 1677 – 23 February 1766), also Anglicized and Latinized as Stanislaus I, was twice King of Poland and Grand Duke of Lithuania, and at various times Prince of Deux-Ponts, Duk ...
, who had acquired the region from the German
Habsburgs
The House of Habsburg (; ), also known as the House of Austria, was one of the most powerful dynasties in the history of Europe and Western civilization. They were best known for their inbreeding and for ruling vast realms throughout Europe d ...
by the
Treaty of Vienna (1738)
The Treaty of Vienna or Peace of Vienna of 1738 ended the War of the Polish Succession. By the terms of the treaty, Stanisław Leszczyński renounced his claim on the Polish throne and recognized Augustus III, Duke of Saxony.Lindsay, J. O. (195 ...
ending the
War of Polish Succession (1733–1738). In 1871, Alsace-Lorraine became German, after the victory of
Prussia
Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...
and its German allies over the French in the
Franco-Prussian War
The Franco-Prussian War or Franco-German War, often referred to in France as the War of 1870, was a conflict between the Second French Empire and the North German Confederation led by the Kingdom of Prussia. Lasting from 19 July 1870 to 28 Janua ...
(1870–1871). In 1919, it became French again by the
Treaty of Versailles
The Treaty of Versailles was a peace treaty signed on 28 June 1919. As the most important treaty of World War I, it ended the state of war between Germany and most of the Allies of World War I, Allied Powers. It was signed in the Palace ...
(1919), following the French victory over the Germans in
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
(1914–1918). In 1940, Germany reannexed Alsace-Lorraine following Germany's
conquest of France. Finally, in 1945, after
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
(1939–1945), Alsace-Lorraine was solidified as French territory, which it remains to this day, more than a thousand years after the Treaty of Verdun. The collapse of the
Middle Frankish Kingdom also compounded the disunity of the Italian Peninsula, which persisted into the 19th century.
See also
*
Oaths of Strasbourg
The Oaths of Strasbourg were a military pact made on 14 February 842 by Charles the Bald and Louis the German against their older brother Lothair I, the designated heir of Louis the Pious, the successor of Charlemagne. One year later the Treaty ...
(842)
*
Treaty of Coulaines (843)
*
Treaty of Prüm
The Treaty of Prüm, concluded on 19 September 855, was the second of the main Partition (politics), partition treaties of the Carolingian Empire. As Emperor Lothair I was approaching death, he divided his realm of Middle Francia among his three ...
(855)
*
Treaty of Meerssen
The Treaty of Mersen or Meerssen, concluded on 8 August 870, was a treaty to partition the realm of Lothair II, known as Lotharingia, by his uncles Louis the German of East Francia and Charles the Bald of West Francia, the two surviving sons of ...
(870)
*
Treaty of Ribemont
The Treaty of Ribemont in 880 was the last treaty on the partitions of the Carolingian Empire. It was concluded between the East Frankish king Louis the Younger and the kings of West Francia, Louis III and Carloman.
After the death of Charle ...
(880)
References
External links
*
{{DEFAULTSORT:Verdun, Treaty of
843
9th-century treaties
9th century in Francia
Changes in political power
Partition (politics)
Treaties involving territorial changes
Treaty
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, convention ...
Carolingian Empire