The Décapole (''Dekapolis'' or german: Zehnstädtebund) was an alliance formed in 1354 by ten

Imperial cities In the Holy Roman Empire, the collective term free and imperial cities (german: Freie und Reichsstädte), briefly worded free imperial city (', la, urbs imperialis libera), was used from the fifteenth century to denote a self-ruling city that ...

of the

Holy Roman Empire The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars. From the accession of Otto I in 962 unt ...

in the

Alsace Alsace (, ; ; Low Alemannic German/ gsw-FR, Elsàss ; german: Elsass ; la, Alsatia) is a cultural region and a territorial collectivity in eastern France, on the west bank of the upper Rhine next to Germany and Switzerland. In 2020, it had ...

region to maintain their rights. It was disbanded in 1679. In 1354 Emperor

Charles IV of Luxembourg Charles IV ( cs, Karel IV.; german: Karl IV.; la, Carolus IV; 14 May 1316 – 29 November 1378''Karl IV''. In: (1960): ''Geschichte in Gestalten'' (''History in figures''), vol. 2: ''F–K''. 38, Frankfurt 1963, p. 294), also known as Charle ...

ratified the treaty uniting the towns of

Haguenau Haguenau (; Alsatian language, Alsatian: or ; and historically in English: ''Hagenaw'') is a Communes of France, commune in the Bas-Rhin Département in France, department of France, of which it is a Subprefectures in France, sub-prefecture. ...

Colmar Colmar (, ; Alsatian: ' ; German during 1871–1918 and 1940–1945: ') is a city and commune in the Haut-Rhin department and Grand Est region of north-eastern France. The third-largest commune in Alsace (after Strasbourg and Mulhouse), it i ...

, Wissembourg,

Turckheim Turckheim (; Alsatian: Tercka; ) is a commune in the Haut-Rhin department in Grand Est in north-eastern France. It lies west of Colmar, on the eastern slopes of the Vosges mountains. History Archeological finds indicate the area was alread ...

Obernai Obernai ( Alsatian: ''Owernah''; german: Oberehnheim) commune in the Bas-Rhin department in Alsace in north-eastern France. It lies on the eastern slopes of the Vosges mountains. Obernai is a rapidly growing city, its number of inhabitants hav ...

Kaysersberg Kaysersberg (german: Kaisersberg ; Alsatian: ''Kaiserschbarig'') is a historical town and former commune in Alsace in northeastern France. The name is German for ''Emperor's Mountain''. The high fortress that dominates the town serves as a remi ...

, Rosheim,

Munster Munster ( gle, an Mhumhain or ) is one of the provinces of Ireland, in the south of Ireland. In early Ireland, the Kingdom of Munster was one of the kingdoms of Gaelic Ireland ruled by a "king of over-kings" ( ga, rí ruirech). Following t ...

Sélestat Sélestat (; Alsatian: ''Schlettstàdt''; German: ''Schlettstadt'') is a commune in the Grand Est region of France. An administrative division (sous-préfecture) of the Bas-Rhin department, the town lies on the Ill river, from the Rhine and t ...

and

Mulhouse Mulhouse (; Alsatian: or , ; ; meaning '' mill house'') is a city of the Haut-Rhin department, in the Grand Est region, eastern France, close to the Swiss and German borders. It is the largest city in Haut-Rhin and second largest in Alsace a ...

.G. Köbler, ''Historisches Lexikon der deutschen Länder'', 7th edition, C.H. Beck, Munich, 2007. Hagenau became its capital while the Imperial city of

Strasbourg Strasbourg (, , ; german: Straßburg ; gsw, label= Bas Rhin Alsatian, Strossburi , gsw, label= Haut Rhin Alsatian, Strossburig ) is the prefecture and largest city of the Grand Est region of eastern France and the official seat of the ...

, though venue of the league's diets, remained outside the alliance. The town of Seltz joined the league when it received immediate status in 1357, but had to leave it after its mediatization to the

Electorate of the Palatinate The Electoral Palatinate (german: Kurpfalz) or the Palatinate (), officially the Electorate of the Palatinate (), was a state that was part of the Holy Roman Empire. The electorate had its origins under the rulership of the Counts Palatine o ...

in 1414. The affiliation at first discontinued after Charles' death in 1378, it was, however, re-established in the next year. The ten cities joined the

Upper Rhenish Circle The Upper Rhenish Circle (german: Oberrheinischer Reichskreis) was an Imperial Circle of the Holy Roman Empire established in 1500 on the territory of the former Duchy of Upper Lorraine and large parts of Rhenish Franconia including the Swab ...

in 1500. In 1515, Mulhouse pulled out of the alliance in order to associate with the

Old Swiss Confederacy The Old Swiss Confederacy or Swiss Confederacy ( Modern German: ; historically , after the Reformation also , "Confederation of the Swiss") was a loose confederation of independent small states (, German or In the charters of the 14th centur ...

. It was replaced in 1521 by the city of

Landau Landau ( pfl, Landach), officially Landau in der Pfalz, is an autonomous (''kreisfrei'') town surrounded by the Südliche Weinstraße ("Southern Wine Route") district of southern Rhineland-Palatinate, Germany. It is a university town (since 1990 ...

in northern Alsace. The alliance was strongly shaken by the

Thirty Years' War The Thirty Years' War was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of batt ...

which ravaged the region, allowing

Louis XIV of France , house = Bourbon , father = Louis XIII , mother = Anne of Austria , birth_date = , birth_place = Château de Saint-Germain-en-Laye, Saint-Germain-en-Laye, France , death_date = , death_place = Palace of ...

to conquer the cities according to the 1648

Peace of Westphalia The Peace of Westphalia (german: Westfälischer Friede, ) is the collective name for two peace treaties signed in October 1648 in the Westphalian cities of Osnabrück and Münster. They ended the Thirty Years' War (1618–1648) and brought pe ...

. The signing of the Treaties of Nijmegen in 1679 finally brought an end to the Décapole, when Alsace was annexed by France. Mulhouse remained an independent city and exclave of the Swiss Confederation until in 1798 it was annexed to the

French First Republic In the history of France, the First Republic (french: Première République), sometimes referred to in historiography as Revolutionary France, and officially the French Republic (french: République française), was founded on 21 September 1792 ...

. Landau together with the Palatinate was given to

Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total l ...

after the 1815

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 ...

References

{{DEFAULTSORT:Decapole History of the Holy Roman Empire by location 1350s establishments in the Holy Roman Empire 1354 establishments in Europe 1679 disestablishments in the Holy Roman Empire

See also

References