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
3 days ago · 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 Soviet Union's roots lay in the October Revolution of 1917. The new government, led by Vladimir Lenin, established the Russian SFSR, the world's first constitutionally communist …
Soviet Russia - Russian History & Culture - LibGuides at ...
Nov 26, 2025 · The Soviet era of Russia history began in 1917 and ended in 1991. The Union of Soviet Socialist Republics (USSR) was not formally declared until 1922, following the …
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
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 …
History of the Soviet Union - Wikipedia
The history of the Soviet Union (USSR) (1922–1991) began with the ideals of the Russian Bolshevik Revolution and ended in dissolution amidst economic collapse and political …