Kliment Yefremovich Voroshilov (Russian: About this soundКлиме́нт Ефре́мович Вороши́лов​ (help·info), Kliment Yefremovich Voroshilov; Ukrainian: Климент Охрімович Ворошилов, Klyment Okhrimovyč Vorošylov), popularly known as Klim Voroshilov (Russian: Клим Вороши́лов, Klim Vorošilov) (4 February 1881[1] – 2 December 1969), was a prominent Soviet military officer and politician during the Stalin era. He was one of the original five Marshals of the Soviet Union, the highest military rank of the Soviet Union, and served as Chairman of the Presidium of the Supreme Soviet, the nominal Soviet head of state, from 1953 to 1960.