Vladimir Ilyich Ulyanov (Russian: Влади́мир Ильи́ч Улья́нов) was born on 22 April 1870 (O.S. 10 April). He was better known by his alias Lenin. He became a revolutionary, politician, and political theorist. He served as head of government of Soviet Russia from 1917 to 1922 and of the Soviet Union from 1922 to his death in 1924.