Kirill Mazurov was born in 1914 in the
Mogilev Governorate of the
Russian Empire in a Belarusian peasant family. He was originally a construction technician, and graduated from the
Gomel highway technical school in 1933. He joined the
Communist Party of the Soviet Union in 1940 and the
Red Army in 1941. During the
Great Patriotic War, he participated in military actions as a political instructor, a battalion commander and an instructor of the army's political department. Mazurov left the army in 1942 to become secretary of the central committee of the Belarusian
Komsomol. Mazurov then moved to a
Soviet partisan unit where he became president of the central staff. After the war, Mazurov returned to his position as secretary of the Belarusian Komsomol. In 1947 he joined the apparatus of the
Communist Party of Byelorussia. From 1949 to 1950 he was the First Secretary of the
Minsk city committee and from 1950 to 1953 first secretary of the Minsk regional committee of the Communist Party of Byelorussia. From 1950 to 1979, he was a deputy of the
Supreme Soviet of the Soviet Union. After
Joseph Stalin's death, he actively supported
Nikita Khrushchev. He was chairman of the
council of ministers of BSSR (1953–1965), then First Secretary of the
Communist Party of Byelorussia (1956–1965). In 1964 he was appointed candidate member of the
Politburo of the CPSU Central Committee and was then a full member from 26 March 1965 to 27 November 1978. He was also the
First Deputy Chairman of the
Council of Ministers (1965–1976). Mazurov retired in 1978. In 1989, he gave an interview to
Izvestia in which he said he was the envoy of Brezhnev who commanded the
Warsaw Pact invasion force in Czechoslovakia in 1968 under the code name "General Trofymov". He said he regretted his action, added "today I would not accept to guide one similar operation" and asked the Czechs to forgive the Soviets. ==Decorations==