Soviet Union - Wikipedia
The highest organ of state authority, the Supreme Soviet of the Soviet Union, stood above all other state organs and worked under the leadership of the Communist Party of the Soviet Union.
Soviet Union | History, Leaders, Flag, Map, & Anthem | Britannica
Dec 19, 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 Ocean and, in its final …
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 ...
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, but its …
Soviet Union - New World Encyclopedia
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 Revolution brought to power 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.
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 the Baltic …