Ìsọ̀kan Sófìẹ̀tì

Ìsọ̀kan awon Orile-ede Olominira Sofieti ti Sosialisti

Союз Советских Социалистических Республик Soyuz Sovetskikh Sotsialisticheskikh Respublik Ìsọ̀kan àwọn Orílẹ̀-èdè Olómìnira Sófíẹ́tì Sósíálístì Union of Soviet Socialist Republics Other names ↓ 1922–1991 ↓ Flag Coat of arms Motto Пролетарии всех стран, соединяйтесь! (Translit.: Proletarii vsekh stran, soyedinyaytes'!) English: Workers of the world, unite! Anthem The Internationale (1922–1944) Hymn of the Soviet Union (1944–1991) Location of Soviet Union The Soviet Union after World War II Capital Moscow Language(s) Russian, many others Government Federal socialist republic, Single-party communist state General Secretary  - 1922–1953 (first) Joseph Stalin  - 1985–1991 (last) Mikhail Gorbachev Premier  - 1923–1924 (first) Vladimir Lenin  - 1991 (last) Ivan Silayev History  - Established December 30, 1922  - Disestablished December 26, 19911 Area  - 1991 22,402,200 km2 (8,649,538 sq mi) Population  - 1991 est. 293,047,571       Density 13.1 /km2  (33.9 /sq mi) Currency Soviet ruble (SUR) Internet TLD .su2 Calling code +7 Preceded by Succeeded by Russian SFSR Transcaucasian SFSR Ukrainian SSR Byelorussian SSR Tuvan People's Republic Kresy Bessarabia Finnish Karelia Carpathian Ruthenia Estonia3 Latvia3 Lithuania3 Russia Belarus Ukraine Moldova Georgia Armenia Azerbaijan Kazakhstan Uzbekistan Turkmenistan Kyrgyzstan Tajikistan Estonia3 Lithuania3 Latvia3 1On December 21, 1991, eleven of the former socialist republics declared in Alma-Ata (with the twelfth republic – Georgia – attending as an observer) that with the formation of the Commonwealth of Independent States the Union of Soviet Socialist Republics ceases to exist. 2Assigned on September 19, 1990, existing onwards. 3The governments of Estonia, Latvia, and Lithuania view themselves as continuous and unrelated to the respective Soviet republics. Russia views the Estonian, Latvian, and Lithuanian SSRs as legal constituent republics of the USSR and predecessors of the modern Baltic states. The Government of the United States and a number of other countries did not recognize the legal inclusion of Estonia, Latvia, and Lithuania in the USSR.