Kliment Yefremovich Voroshilov (Klyment Okhrimovyč Vorošylov), popularly known as Klim Voroshilov ( Klim Vorošilov; 4 February 1881 – 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.
Born to a Russian worker's family in modern Ukraine, Voroshilov took part in the Russian Revolution of 1917 as an early member of the Bolsheviks. He served with distinction at the Battle of Tsaritsyn, during which he became a close friend of Stalin. Voroshilov was elected to the Central Committee of the Communist Party in 1921, and in 1925 Stalin appointed him People's Commissar for Military and Navy Affairs (later People's Commissars for Defence). In 1926, he became a full member of the