|Union of Soviet Socialist Republics Союз Советских
Социалистических Республик Soyuz Sovetskikh Sotsialisticheskikh
Respublik Пролетарии всех стран, соединяйтесь! (Translit.:
Proletarii vsekh stran, soyedinyaytes'!) English: Workers of the
world, unite! "National Anthem of the Soviet Union" The Soviet
Union after World War II |Languages||Russian, many others|
|Religion||None (State atheism) (see text)| Marxist–Leninist
single-party state |-||1922–1952||Joseph Stalin (first)|
|-||1991||Vladimir Ivashko (last)| |Head of State|
|-||1922–1938||Mikhail Kalinin (first)| |-||1988–1991||Mikhail
Gorbachev (last)| |Head of Government| |-||1922–1924||Vladimir
Lenin (first)| |-||1991||Ivan Silayev (last)| |-||Upper
house||Soviet of the Union| |-||Lower house||Soviet of
Nationalities| |Historical era||Interwar period / World War II /
Cold War| |-||Treaty of Creation||30 December 1922| |-||Union
dissolved||26 December 1991| |-||1989||22,276,060 km² (8,600,835
sq mi)| |Density||13.2 /km² (34.1 /sq mi)| |Currency||Soviet rub