The government established in Russia after the Bolshevik Revolution in 1917 was known as the Soviet government, specifically the Russian Soviet Federative Socialist Republic (RSFSR). The Bolsheviks, led by Vladimir Lenin, overthrew the Provisional Government, which had replaced the Tsar during World War I. The Bolsheviks aimed to create a socialist state based on Marxist principles, redistributing land and resources to the working class and peasants. The Soviet government centralized authority, dismantled private property, and aimed for an international revolution. This marked the beginning of significant political, economic, and social changes in Russia, eventually leading to the establishment of the USSR in 1922.