Reunification

[yoo-nuh-fi-key-shuhn]

Reunification is the political unification of separate political entities which had previously been united.

Historical reunifications

Bulgarian unification in 1885, after the 1396 Ottoman conquest.
Chinese reunification (1928) or "Northeast Flag Replacement" proclaimed victory of Guangzhou/Nanjing government over Beiyang government after the 1912 division.
German reunification in 1990, divided since the 1949 division decided at the Potsdam Conference in August 1945.

German unification in 1866-71, divided since 1806 after the division of Holy Roman Empire.
Anschluss (1938 Nazi reunification of "Lesser Germany" and Austria into "Greater Germany")

Italian unification 1815-71, divided since the 6th century Ostrogoths.
Polish reunification in 1918-22, divided since 24 October 1795.
Vietnam at the end of the Vietnam War in 1976, divided since 1954.
Yemenite reunification in 1990, divided since the collapse of the Ottoman Empire in 1918.
Denmark and the northern part of South Jutland in 1920. See Schleswig Plebiscites.

At various times various nationalist and irredentist movements promoted ideas of restoration or unification in various places.

Reunification	Divided since	Areas affected (at maximum extent)
Albanian reunification	1943	(Albanian lands) (Albanian lands) (Albanian lands) (Albanian lands)
Anglo-Irish reunification	1922
Armenian reunification	Medieval period
Bulgarian reunification	1913	(Slavic)
Chinese reunification	1949
Colombian reunification	1831
Congolese unification	Never united
Cypriot reunification	1974
Dutch reunification		(Flanders)
Finnish reunification	1940-44	(Karelia)
German and Austrian reunification	1945	(Silesia, Pommerania) (East Prussia) (Alsace-Lorraine)
Greek reunification	Medieval period	(Eastern Thrace, Asia Minor, Pontus) (Eastern Rumelia) (Northern Epirus) (Monastiri area)
Hungarian reunification	1944	(Transylvania) (Vojvodina) (Zakarpattia Oblast)
Indochinese reunification	1954
Indo-Pakistani reunification	1947
Iranian reunification	1800s
Irish reunification	1920-22	(Northern Ireland)
Korean reunification	1945
Macedonian Reunification	1913	(Blagoevgrad) (Aegean Macedonia)
Mongolian reunification	Medieval period	(Inner Mongolia)
Netherlandish reunification	1839	(Nord-Pas de Calais)
Polish reunification	1939	(Vilnius County)
Portuguese reunification	1170-1801	(Galicia, Olivenza)
Romanian reunification	1944
Russian reunification	1991
Serbian reunification	1992	(Serbian Krajina)
Somali unification	Never united	(Ogaden)
Transcaucasian reunification	1918-1936
Turkish reunification	1922	see Ottoman Empire and Turkic languages
Yugoslavian reunification	1992