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 …

Feb 14, 2023 · The Soviet Union (or the Union of Soviet Socialist Republics - USSR) was a giant single-party communist state formed by the federal union of 15 national republics. It existed …

Jun 13, 2025 · On January 1, 1991, the Soviet Union was the largest country in the world, covering some 8,650,000 square miles (22,400,000 square km), nearly one-sixth of Earth’s land …

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).

Nov 30, 2022 · For most of its existence during the 20th century, it was a multinational federation of 15 Union Republics and numerous subdivisions, each based on ethnicity and culture. The …

Feb 8, 2024 · The Union of Soviet Socialist Republics (USSR) was established on December 30, 1922. It was formed through the Treaty on the Creation of the USSR, which unified several …

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 …

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 …

The country called the Union of Soviet Socialist Republics (USSR) was established in 1922, when parts of the former Empire became autonomous and joined the Union after the civil war.

Union of Soviet Socialist Republics (U.S.S.R.), or Soviet Union, Former republic, eastern Europe and northern and central Asia.