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  1. 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 …

  2. Soviet Union | History, Leaders, Flag, Map, & Anthem | Britannica

    2 days ago · During the period of its existence, the Union of Soviet Socialist Republics was by area the world’s largest country. It was also one of the most diverse, with more than 100 …

  3. What Was the USSR and Which Countries Were in It? - ThoughtCo

    May 6, 2025 · The USSR was a large communist country made up of Russia and 14 other countries. The USSR was founded in 1922 and dissolved in 1991 after Gorbachev's reforms …

  4. Soviet Union - Countries, Cold War & Collapse | HISTORY

    Sep 1, 2017 · A 1922 treaty between Russia, Ukraine, Belarus and Transcaucasia (modern Georgia, Armenia and Azerbaijan) formed the Union of Soviet Socialist Republics (USSR).

  5. 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 …

  6. The Soviet Socialist Republics | World History - Lumen Learning

    The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a federation of Soviet Republics that were outwardly independent nations, but existed essentially as satellite …

  7. USSR: The Union of Soviet Socialist Republics

    Sep 11, 2024 · The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a socialist state in Eurasia that existed from 1922 to 1991. It was a single-party …

  8. Soviet Union - Wikiwand

    The USSR was one of the most advanced industrial states during its existence. It had the world's second-largest economy and largest standing military. An NPT-designated state, it wielded the …

  9. Soviet Union - Communism, Totalitarianism, Purges | Britannica

    5 days ago · They resulted in a series of factional fights that constituted the political history of the U.S.S.R. over the next six years. The party was in a most anomalous position.

  10. Soviet Union Timeline - Have Fun With History

    Feb 8, 2024 · The Union of Soviet Socialist Republics (USSR) was established on December 30, 1922. It was formed through the Treaty on the Creation of the USSR, which unified several …