Union of Soviet Socialist Republics
Soviet Union
Flag of the Soviet Union
MottoПролетарии всех стран, соединяйтесь!
(and largest city)
Official languages Russian
Demonym Russian, Soviets
Government Marxist–Leninist single-party state
 •  General Secretary Dmitry Medvedev
Legislature Supreme Soviet
 •  Upper House Soviet of the Union
 •  Lower House Soviet of the Nationalities
 •   census 307,115,296 
Currency Soviet Ruble (SUR)
Drives on the Right
Internet TLD .su
Calling code +7
 The Soviet Union is a nation located in Europe and in Asia. It is one of the few communist nations left. The Soviet Union was created in 1922 after the 1917 Russian Revolution led by Vladimir Lenin. Its capital is located in Moscow and the top five largest city in the Soviet Union is Moscow, Leningrad (St Petersburg), Vladivostok, Sochi, and Stalingrad. The Soviet Union was a superpower from 1945 to 1979 when the Communist Forces lost in the Vietnam War