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On 23 August 1939, the Soviet Union signed a non-aggression pact with Germany which included a secret protocol that divided Eastern Europe into German and Soviet spheres of influence, anticipating potential "territorial and political rearrangements" of these countries. [2] Germany invaded Poland on 1 September 1939, starting World War II.
World War I: Austria-Hungary declared war on Serbia. 30 July: World War I: Russia mobilized its army to defend Serbia. 1 August: World War I: Germany declared war on Russia in defense of Austria-Hungary. 1915: 2 May: Gorlice–Tarnów offensive: The German army launched an offensive across the length of the Eastern Front. 4 August
Between 1922 and 1991 the history of Russia essentially became the history of the Soviet Union. [opinion] During this period, the Soviet Union was one of the victors in World War II after recovering from a surprise invasion in 1941 by Nazi Germany and its collaborators, which had previously signed a non-aggression pact with the Soviet
The Union of Soviet Socialist Republics [r] (USSR), [s] commonly known as the Soviet Union, [t] was a transcontinental country that spanned much of Eurasia from 1922 to 1991. During its existence, 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.
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.
Russia's GDP by purchasing power parity (PPP) from 1991 to 2019 (in international dollars) Russian male life expectancy from 1980 to 2007. With the dissolution of the Warsaw Pact and COMECON and other treaties that served to bind its satellite states to the Soviet Union, the conversion of the world's largest state-controlled economy into a market-oriented economy would have been ...
Soviet Russia → Soviet Union: Including: February Revolution Revolutions of 1917–1923: Leader(s) Vladimir Lenin Joseph Stalin: Prime Minister(s) Mikhail Kalinin: Key events: October Revolution Russian Civil War Polish–Soviet War Treaty on the Creation of the Union of Soviet Socialist Republics New Economic Policy Death and state funeral ...