Soviet Union History 9 Sowjetunion 8 Foreign relations 7 Baltic States 6 Baltikum 6 Litauen 5 Relations 5 Besetzung 4 Politics and government 4 1940-1991 3 Estland 3 Germany 3 Lettland 3 1918-1945 2 Annexation to the Soviet Union 2 Ethnic relations 2 Geschichte 1939 2 Geschichte 1939-1940 2 Latvia 2 Lithuania 2 Russland 2 World War, 1914-1918 2 World War, 1939-1945 2 1918-1940 1 1939 Aug. 23 1 1945-1991 1 1991- 1 20th century 1 Allied intervention, 1918-1920 1