Sergei Mironovich Kirov (born Kostrikov; 27 March 1886 – 1 December 1934) was a Russian and Soviet politician and Bolshevik revolutionary. Kirov was an early revolutionary in the Russian Empire and a member of the Bolshevik faction of the Russian Social Democratic Labour Party. Kirov became an Old Bolshevik and personal friend to Joseph Stalin, rising through the Communist Party of the Soviet Union ranks to become head of the party in Leningrad and a member of the Politburo. Wikipedia
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