Vladimir Ilyich Lenin (surname at birth - Ulyanov, also known under the double surname Ulyanov-Lenin; April 10 (22), 1870, Simbirsk, Russian Empire - January 21, 1924, Bolshie Gorki, Sukhanovskaya volost, Podolsk district, Moscow province, RSFSR, USSR ) - Russian revolutionary, major theorist of Marxism, Soviet political and statesman, founder of the Russian Social Democratic Labor Party (Bolsheviks), chief organizer and leader of the October Revolution of 1917 in Russia, first chairman of the Council of People's Commissars of the RSFSR and Council of People's Commissars of the USSR, creator the first socialist state in world history.