After the German and Soviet invasion of Poland in 1939, Vilnius was occupied and annexed by the Soviet Union.
Poland | Soviet Union | European Union | Union Army | rugby union | Union | International Telecommunication Union | trade union | Soviet Navy | Union (American Civil War) | Union Pacific Railroad | England national rugby union team | American Civil Liberties Union | Wales national rugby union team | New Zealand national rugby union team | Northwest Territories | Ireland national rugby union team | Congress Poland | Western Union | Poland national football team | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team | Trade union | Soviet Army | International Union for Conservation of Nature | Provinces and territories of Canada | Border Union Railway | People's Republic of Poland | France national rugby union team |
Kresy, former eastern territories of Poland annexed by the Soviet Union in 1945