|Union of Soviet Socialist Republics|
|Союз Советских Социалистических Республик|
Soyuz Sovetskikh Sotsialisticheskikh Respublik
Пролетарии всех стран, соединяйтесь!
(Translit.: Proletarii vsekh stran, soyedinyaytes'!)
The Soviet Union after
|Head of State|
|•||1922–1938||Mikhail Kalinin (first)|
|Head of Government|
|•||Upper house||Soviet of the Union|
|•||Lower house||Soviet of Nationalities|
|•||Treaty of Creation||30 December 1922|
|•||26 December 1991|
|•||1991||22,402,200 km2 (8,649,500 sq mi)|
|Density||13/km2 (34/sq mi)|
|1On 21 December 1991, eleven of the former socialist republics declared in Alma-Ata (with the 12th republic – |
2Assigned on 19 September 1990, existing onwards.
The Soviet Union (short for Union of Soviet Socialist Republics or USSR)  was a single-party Marxist–Leninist state. It existed from 1922 until 1991, and was the first country to declare itself socialist and build towards a communist society. It was a union of 14 Soviet Socialist Republics and 1 Soviet Federative Socialist Republic (Russia).
The Soviet Union was created after
The Union was formed with the professed idea to give everyone equal social and economic rights. There was virtually no private property - everything belonged to the state. "Soviets", or workers' councils were created to speak for the workers, and served as an elite group to govern them. It was successful in many fields; putting the first man and satellite into space and winning World War II alongside the United States and
From 2016, the document that confirmed the dissolution of the Soviet Union is missing.
|Date||English Name||Local Name||Remarks|
|January 1||Новый Год|
|March 8||Международный Женский День|
|May 1-May 2||Первое Мая - День Международной Солидарности Трудящихся|
|May 9||День Победы||Defeat of |
|October 7||Constitution Day||День Конституции||since 1978|
|November 7||Great October Socialist Revolution||Седьмое Ноября|