Latvian Socialist Soviet Republic ended in 1920.
Estonian Soviet Socialist Republic ended in 1991.
Persian Socialist Soviet Republic ended in 1921.
Taurida Soviet Socialist Republic ended in 1918.
Galician Soviet Socialist Republic ended in 1920.
Socialist Soviet Republic of Abkhazia ended in 1931.
Crimean Socialist Soviet Republic ended in 1919.
Crimean Autonomous Soviet Socialist Republic ended in 1992.
Moldavian Autonomous Soviet Socialist Republic ended in 1940.
Mountain Autonomous Soviet Socialist Republic ended in 1924.
Karelo-Finnish Soviet Socialist Republic ended in 1956.
Tuvan Autonomous Soviet Socialist Republic ended in 1992.
Communist Party of the Karelo-Finnish Soviet Socialist Republic ended in 1956.