Soviet Union
Timeline: Regnum Bueno
Preceded by 1922-1992 Succeeded by
Flag of Russian Empire for private use (1914–1917) Russian Empire Russia Flag of the Russian Federation (1997 proposal, alternate)

Baltic States United Baltic Duchy flag
Kiev Republic Flag of Ukraine
Khorezmenistan Flag of Khiva 1920-1923

Flag of the Soviet Union (1923-1955) Coat of arms of the Soviet Union
Flag Coat of Arms

Пролетарии всех стран, соединяйтесь! (Russian)

(and largest city)
Other cities


Language Russian
Government Marxist–Leninist single-party state
Area 22,400,000 km²
Currency Ruble
The Union of Soviet Socialist Republics (Russian: Сою́з Сове́тских Социалисти́ческих Респу́блик) abbreviated to USSR (Russian: СССР) or shortened to the Soviet Union, was a socialist state on the Eurasian continent that existed between 1922 and 1992.

A union of multiple subnational Soviet republics, its government and economy were highly centralized. The Soviet Union was a one-party state, governed by the Communist Party with Moscow as its capital.