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  1. Soviet Union - Wikipedia

    The Union of Soviet Socialist Republics[v] (USSR), [w] commonly known as the Soviet Union, [x] was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in …

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

    6 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 …

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

    May 6, 2025 · The USSR consisted of Russia and 14 surrounding countries, and its territory stretched from the Baltic states in Eastern Europe to the Pacific Ocean.

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

    Sep 1, 2017 · The Soviet Union, or U.S.S.R., was made up of 15 countries in Eastern Europe and Asia and lasted from 1922 until its ...

  5. Former Soviet Union (USSR) Countries - WorldAtlas

    Feb 14, 2023 · Former Soviet Union (USSR) Countries The Soviet Union (or the Union of Soviet Socialist Republics - USSR) was a giant single-party communist state formed by the federal …

  6. USSR: The Union of Soviet Socialist Republics

    Sep 11, 2024 · From Agriculture to Industry: The Unique Impact of Each Soviet Republic on the USSR The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, …

  7. Republics of the Soviet Union - Wikipedia

    Chapter 8 of the 1977 Soviet Constitution is titled as the "Soviet Union is a union state". Article 70 stated that the union was founded on the principles of "socialist federalism" as a result of the …

  8. What was the USSR? - History Skills

    The USSR, or the Union of Soviet Socialist Republics, was a historical state that existed from 1922 to 1991 in northern Eurasia. It was the first country to be based on the ideology of …

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

    4 days ago · Soviet Union - Communism, Totalitarianism, Purges: The last phase of Lenin’s life—first partial, then total disablement, then death—had fortuitously provided a sort of …

  10. Union of Soviet Socialist Republics - Wiktionary

    2 days ago · the Union of Soviet Socialist Republics (historical) A former transcontinental country in Europe and Asia (1922–1991), now split into Russia and 14 other countries; short form …