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.

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 …

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 …

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).

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 …

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.

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 …

Oct 29, 2025 · The Soviet Union was a transcontinental state comprising of 15 republics that spanned much of Eurasia from 1922 to 1991.

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.

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 …