
- 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- 4 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 … 
- 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 … 
- 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 Soviet Union Cease To Exist? - WorldAtlas- 5 days ago · The widespread discontent across the USSR ultimately spiralled into full-on independence movements and the unravelling of the country. 
- 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 … 
- Republics of the Soviet Union - Wikipedia- In practice, the USSR was a highly centralised entity from its creation in 1922 until the mid-1980s when political forces unleashed by reforms undertaken by Mikhail Gorbachev resulted in the … 
- 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 … 
- 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 … 
- Union of Soviet Socialist Republics summary - Britannica- Union of Soviet Socialist Republics (U.S.S.R.), or Soviet Union, Former republic, eastern Europe and northern and central Asia.