Soviet Union - Wikipedia
During its existence, the Soviet Union produced many significant social and technological achievements and innovations. The USSR was one of the most advanced industrial states …
Soviet Union | History, Leaders, Flag, Map, & Anthem | Britannica
Dec 13, 2025 · Soviet Union (Union of Soviet Socialist Republics; U.S.S.R.), former northern Eurasian empire (1917/22–1991) stretching from the Baltic and Black seas to the Pacific …
Soviet Union - Wikiwand
The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until ...
What Was the USSR and Which Countries Were in It? - ThoughtCo
May 6, 2025 · The Union of Soviet Socialist Republics (also known as the USSR or the Soviet Union) consisted of Russia and 14 surrounding countries. The USSR's territory stretched from …
Soviet Union - New World Encyclopedia
Soviet Union ... The Soviet Union was one of the dominant political entities of the twentieth century. The official name was the Union of Soviet Socialist Republics (USSR). The Russian …
History of the Soviet Union - Wikipedia
Established in 1922 following the Russian Civil War, the Soviet Union quickly became a one-party state under the Communist Party. Its early years under Lenin were marked by the …
Soviet Union - Countries, Cold War & Collapse | HISTORY
Sep 1, 2017 · In response to NATO, the Soviet Union in 1955 consolidated power among Eastern bloc countries under a rival alliance called the Warsaw Pact, setting off the Cold War.
Soviet | Structure, Functions & History | Britannica
Nov 9, 2025 · soviet, council that was the primary unit of government in the Union of Soviet Socialist Republics and that officially performed both legislative and executive functions at the …
Formation of the Soviet Union | World History - Lumen Learning
The Soviet Union, officially the Union of Soviet Socialist Republics, was a socialist state in Eurasia that existed from 1922 to 1991. It was nominally a supranational union of national republics, …
What was the USSR? - History Skills
Founded after the collapse of the Russian Empire and the Bolshevik victory in the Russian Civil War, the USSR combined revolutionary ideals with centralised rule under the Communist Party.