Soviet Union - Wikipedia
The Union of Soviet Socialist Republics[o][p] (USSR), [q] also 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
Jan 7, 2026 · 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 distinct nationalities …
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 failed.
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).
Why Did the USSR Fall? The Real Costs of Becoming a ...
3 days ago · By asking "Why did the USSR fall," you're really asking how a superpower unraveled from the inside.
What was the USSR? - History Skills
Founded after the collapse of the Russian Empire and the Bolshevik victory in the Russian Civil War, the USSR combined revolutionary ideals with centralised rule under the Communist Party.
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. As a nuclear state, it wielded the largest …