Bulgarian reunification joining Bulgaria and Slavic Macedonia; divided since 1913.

Italian unification 1815-71, divided since the sixth-century Ostrogoths

Anschluss (1938 Nazi "reunification" of "Lesser Germany" and Austria into "Greater Germany")

Irish reunification joining Northern Ireland and the Republic of Ireland; divided since 1920-22

Polish reunification of lands conquered by Soviet Union, Ukraine, Belorussia, and Lithuania; Podolia; divided since 1939.

German unification in 1864-71, divided since 1806 end of Holy Roman Empire

Korean reunification joining North Korea and South Korea; divided since 1945.

Finnish reunification of Finland and territories lost to the Soviet Union in 1940-44.

Bulgarian unification 1878-85, after 1396 Ottoman conquest

German reunification in 1990, divided since 1949

Yemenite reunification in 1990, of North and South Yemen

territorial integrity

Chinese reunification (1928) or "Northeast Flag Replacement" proclaimed victory of Guangzhou/Nanjing government over Beiyang government after 1912 division

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

political union

Vietnamese reunification in 1975-6, divided since 1954

The reunification between Denmark and the northern part of South Jutland in 1920. See Schleswig Plebiscites.

Albanian reunification of Albania, Kosovo, Metohia, and ethnic Albanian lands in Macedonia and Greece; divided since 1943.

Armenian reunification of the ethnic Armenian lands from Turkey, Azerbaijan and Persia and particularily the lands which were witnesses to genocide and invasions (DRA, WA), of the ethnically Armenian lands occupied by Turkey and Georgia; Nagorno-Karabakh; divided since the Medieval period.

Chinese reunification of the People's Republic of China and the Republic of China; divided since 1949

Congolese unification of the Republic of the Congo (former French Congo) and the Democratic Republic of the Congo (former Belgian Congo).

Cypriot reunification of Republic of Cyprus and the Turkish Northern Cyprus; divided since 1974.

German reunification of Federal Republic of Germany, ethnic German Eupen-Malmedy, ethnic German East Prussia, ethnic German Austria, ethnic German Tirol, ethnic German Liechtenstein, German Sudetenland, ethnic German Pomerania, ethnic German Silesia and ethnic German Alsace-Loraine; divided since 1945.

Greek reunification of the ethnic Greek lands invaded by the Ottoman Empire and Turkey; divided since the Medieval period.

Hungarian reunification of the ethnic Hungarian lands occupied by Romania (Transylvania), Croatia, Serbia (Vojvodina), Slovakia, and Ukraine; divided since 1944.

Indo-Pakistani reunification, reunification of India and Pakistan, divided as a result of the Partition of India in 1947.

Macedonian Reunification joining the Republic of Macedonia, Aegean Macedonia and Pirin Macedonia, divided since 1913

Mongolian reunification of Inner Mongolia and Mongolia; divided since the Medieval period.

Portuguese reunification joining Portugal with ethnic Portuguese lands under Spanish rule: Galiza divided since 1170-1369, Olivenza (divided since 1801) and Xalima Valley (divided since 1297).

Romanian reunification joining Romania, the Republic of Moldova, Bessarabia, and Bukovina; divided since 1944

Serbian reunification of ethnic Serb lands in Serbia (including Kosovo and Metohija), Bosnia and Herzegovina, Montenegro, Macedonia and Serbian Krajina; divided since the breakup of Yugoslavia.

Somali unification of Somali lands in Ethiopia (Ogaden), former French Somaliland (Djibouti), and Somali lands in northeastern Kenya.

Turkish reunification recreating the Ottoman Empire and furthermore adding the Turkic speaking people in Asia to it.

Yugoslav reunification of the former republics of Yugoslavia; divided since 1992.