| Central Europe 2006
| Austria-Hungary 1918
| Austria in Italy, 1815–1866
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| Austria-Hungary Languages 1910
| Austria-Hungary Religions 1910
| Plan by A. Popovici 1906
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| Anterior Austria 1780
| Hungary before and after 1920
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| Switzerland Languages 1998
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| German Countries (Deutscher Bund) 1815
| German Empire (Deutsches Reich) 1871
| Germany (Weimar Republic) 1920
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| Germany (Third Reich) 1937/39/43
| Germany and Austria after 1945
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| Thuringian States 1815
| Thuringian States 1826
| Thuringian States 1848
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| House Wettin
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| Vienna 1938/1945/1954
| Berlin 1945–1989
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| Poland before 1772
| 1st Partition of Poland 1772
| 2nd Partition of Poland 1793
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| 3rd Partition of Poland 1795
| Duchy of Warsaw 1807/1809
| "Congress Poland" 1815
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| Poland 1920/23
| Generalgouvernement 1939–1945
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| ECSC 1951 / EEC 1957 / EC 1967
| European Community 1973
| European Community 1981
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| European Community 1986
| European Community 1990 (European Union 1993)
| European Union 1995
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| European Union 2004
| European Union 2007
| European Union 2013
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| European Union 2020
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| Countries using the Euro 2002
| Countries using the Euro 2007
| Countries using the Euro 2008
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| Countries using the Euro 2009
| Countries using the Euro 2011
| Countries using the Euro 2014
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| Countries using the Euro 2015
| Countries using the Euro 2023
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| US Territorial Acquisitions
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