Soviet Union
Preceded by

Category:Bukharan PSR
Category:Byelorussian SSR
Category:Estonia
Category:Finland
Category:Khorezm PSR
Category:Kingdom of Romania
Category:Latvia
Category:Lithuania
Category:Russian SFSR
Category:Second Polish Republic
Category:Transcaucasian SFSR
Category:Tuvan PR
Category:Ukrainian SSR

History of Russia
Category:Soviet Union
1922–1991
Succeeded by

Category:Armenia
Category:Azerbaijan
Category:Belarus
Category:Estonia
Category:Georgia
Category:Kazakhstan
Category:Kyrgyzstan
Category:Latvia
Category:Lithuania
Category:Moldova
Category:Russia
Category:Tajikistan
Category:Turkmenistan
Category:Ukraine
Category:Uzbekistan