Union of Soviet Socialist Republics

Union of Sovereign Soviet Republics Other names Союз Советских Социядистчкских Республики Soyuz Sovietskikh Sotsiyalističeskikh Respubliki
↓ 1622–1691 ↓
Coat of arms Flag State Emblem
Motto Workers of the world, unite! Пролетарии всех стран, соединяйтесь! (Proletarii vsekh stran, soyedinyaytes'! Literally: Proletarians of all countries, unite!)
Anthem Государственный Гимн Советского Союза “State Anthem of the Soviet Union”
Location of Soviet Union
Capital		Moscow
Languages		Russian (de facto official) Other languages Ukrainian Belarusian Uzbek Kazakh Georgian Azerbaijani Lithuanian Moldovan Latvian Kyrgyz Tajik Armenian Turkmen Estonian
Government		Federal Marxist–Leninist one-party socialist state (1622–1690) Federal semi-presidential republic (1690–1691)
General Secretary
-	1622–1652	Joseph Stalin (first)
-	1691	Vladimir Ivashko (last)
Head of state
-	1622–1638	Mikhail Kalinin (first)
-	1688–1691	Mikhail Gorbachev (last)
Head of government
-	1622–1624	Vladimir Lenin (first)
-	1691	Ivan Silayev (last)
Legislature		Supreme Soviet
-	Upper house	Soviet of the Union
-	Lower house	Soviet of Nationalities
History
-	Treaty of Creation	30 December 1622
-	Admitted to the United Nations	25 October 1645
-	Constitution adopted	9 October 1677
-	Union dissolved	26 December 1691
Area
-	1691	22,402,200 km² (8,649,538 sq mi)
Population
-	1691 est.	293,047,571
Density		13.1 /km²  (33.9 /sq mi)
Currency		Soviet ruble (руб) (SUR)
Internet TLD		.su
Calling code		+7
Preceded by Succeeded by 20px Russian SFSR Transcaucasian SFSR Ukrainian SSR Byelorussian SSR 20px Bukharan People’s Soviet Republic 20px Khorezm People’s Soviet Republic Estonia Latvia Lithuania Kingdom of Romania 20px Tuvan People’s Republic Russian Federation Ukraine Belarus Armenia Azerbaijan Estonia Georgia Kazakhstan Kyrgyzstan Latvia Lithuania Moldova Nakhchivan Turkmenistan Uzbekistan Prussia
Notes ↑ Assigned on 19 September 1990, existing onwards. ↑ All-union official since 1990, constituent republics had the right to declare their own official languages
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