Soviet Union - Wikipedia
The Union of Soviet Socialist Republics[o][p] (USSR), [q] commonly known as the Soviet Union, [r] was a transcontinental country that spanned much of Eurasia from 1922 until its dissolution in 1991. …
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 ...
soviet - Wiktionary, the free dictionary
Nov 1, 2025 · soviet (plural soviets) (historical) A workers' council, an institution first formed during the 1905 Russian Revolution and then instituted as the main form of communist government at all levels …
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 …
What Was the USSR and Which Countries Were in It? - ThoughtCo
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 states in …