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  1. 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.

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

    Jan 7, 2026 · 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 …

  3. 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 ...

  4. 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 …

  5. 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 …

  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 states under …

  7. The Soviet Union - WorldAtlas

    Jul 16, 2021 · The Soviet Union, formally known as the Union of Soviet Socialist Republics, or USSR for short, was a country that was composed of 15 different units, known as republics.

  8. Soviet History Timeline - Important Dates & Events - On This Day

    Timeline of important dates and major events in the history of Soviet Union. Illustrated list of events and people from our today in history archives.

  9. 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.

  10. What Happened to the Soviet Superpower’s Nuclear Arsenal? Clues

    Twenty years ago Russia and fourteen other newly-independent states emerged from the ruins of the Soviet empire, many as nations for the first time in history. As is typical in the aftermath of the …