Transcaucasian SFSR 1925-1931
Transcaucasian SFSR 1931-1936
Bukhar People Soviet Republic 1920-1922
Belorussian SSR 1951-1991
Beloryssian SSR 1926-1951
Belorussian SSR 1919-1926
Karelo-Finnish SSR 1940-1956
ASSRs and Autonomous regions
Kalmyk Autonomous region 1920
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