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The Union of Soviet Socialist Republics[u](USSR),[v]commonly known as the Soviet Union,[w]was a transcontinental countrythat spanned much of Eurasiafrom 1922 to 1991. During its existence, it was the largest country by area, extending across eleven time zonesand sharing borders with twelve countries, and the third-most populous country.
The Soviet Union incorporated an area of over 22,402,200 square kilometres (8,649,500 sq mi), covering approximately one-sixth of Earth's land surface. It spanned most of Eurasia. Its largest and most populous republic was the Russian SFSR which covered roughly three-quarters of the surface area of the union, including the complete territory of ...
The Republics of the Union of Soviet Socialist Republics or the Union Republics (Russian: Сою́зные Респу́блики, romanized:Soyúznye Respúbliki) were national-based administrative units of the Union of Soviet Socialist Republics (USSR). [ 1 ] The Soviet Union was formed in 1922 by a treaty between the Soviet republics of ...
The history of the Soviet Union (USSR) (1922–91) began with the ideals of the Bolshevik Revolution and ended in dissolution amidst economic collapse and political disintegration. Established in 1922 following the Russian Civil War, the Soviet Union quickly became a one-party state under the Communist Party.
Soviet Union – was a socialist state on the Eurasian continent that existed from 1922 to 1991. A union of multiple subnational Soviet republics, its government and economy were highly centralized. The Soviet Union was a one-party state, governed by the Communist Party with Moscow as its capital. It was a major ally during World War II, a main ...
Types of the subdivisions: Republics with no subdivisions. Oblasts. Krais/Districts. ASSRs (autonomous republics) Autonomous oblasts. Autonomous okrugs. Administrative divisions of the Soviet Union by republic.
The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 to 1991. It was the largest country by area, extending across eleven time zones and sharing borders with twelve countries, and the third-most populous country.
The formal end to Tatar rule over Russia was the defeat of the Tatars at the Great Stand on the Ugra River in 1480. Ivan III (r. 1462–1505) and Vasili III (r. 1505–1533) had consolidated the centralized Russian state following the annexations of the Novgorod Republic in 1478, Tver in 1485, the Pskov Republic in 1510, Volokolamsk in 1513, Ryazan in 1521, and Novgorod-Seversk in 1522.