Socialist Federal Republic of Yugoslavia was created in 1943.
Socialist Party of Yugoslavia was created in 1921.
Latvian Socialist Soviet Republic was created in 1918.
Czechoslovak Socialist Republic was created in 1960.
Socialist Republic of Serbia was created in 1945.
The 'Socialist Republic of Macedonia' was created on 1944-08-02 as an independent state within Yugoslavia when its name was changed from Vardar Banovina as part of the communist regime's expansionist agenda to wrest historical Macedonia away from Greece.
Lithuanian Soviet Socialist Republic was created in 1940.
People's Socialist Republic of Albania was created in 1946.
Taurida Soviet Socialist Republic was created in 1918.
Bessarabian Soviet Socialist Republic was created in 1919.
Kazakh Soviet Socialist Republic was created in 1936.
Socialist Republic of Croatia was created on 1943-06-13.
Persian Socialist Soviet Republic was created in 1920.