Viktor Eduard Kingissepp (24 March [O.S. 12 March] 1888 in Karmel (now Kaarma) – 4 May 1922 in Tallinn) was an Estonian communist politician, the leader of the Estonian Communist Party. The son of a factory worker, he joined a Marxist circle as a schoolboy in Arensburg (now Kuressaare) (which was renamed Kingissepp in 1952, but was restored to its original Estonian name in 1988), and organised the Estonian section of the Russian Social Democratic Labour Party, in St Petersburg. During the war with Germany, he was put in charge of a medical train on the Western Front. After the February revolution, he returned to Petrograd (as St Petersburg was now named), and joined the Bolsheviks and the Red Guards. After the Bolshevik Revolution, he was deputy chairman of the Estonian Revolutionary Sovie