Vladimir Ilyich Lenin was a Russian revolutionary, author, lawyer, economic theorist, political philosopher, creator of the Soviet Communist Party, leader of the 1917 October Revolution, and founder of the USSR. As head of the Bolsheviks (1917-1924) he led the Red Army to victory in the Russian Civil War, before establishing the world's first officially socialist state. As a theorist, his extensive theoretical and philosophical contributions to Marxism produced Leninism.Lenin practised law in the Volga River port of Samara for a few years, mostly land-ownership cases, from which he derived political insight to the Russian peasants' socio-economic condition; in 1893, he moved to St Petersburg, and practised revolutionary propaganda.