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 25, 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 …

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.

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).

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.

Efforts to develop a capitalist economy while creating a new socialist government system failed. What resulted was a command economic system with an increasingly totalitarian political system. During …

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.

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

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 largest by far …

Oct 13, 2024 · The USSR gained and lost influence with other Communist countries over time. The occupying Soviet army facilitated the establishment of post-WWII Communist satellite states in …