Leonid Brezhnev becomes the General Secretary of the Communist Party of the Soviet Union, and thereby, along with his allies, such as Alexei Kosygin, the leader of the Union of Soviet Socialist Republics (USSR), ousting the former monolithic leader Nikita Khrushchev, and sending him into retirement as a nonperson in the USSR.

Nonperson
Nikita Khrushchev
Union of Soviet Socialist Republics
Alexei Kosygin
General Secretary of the Communist Party of the Soviet Union
Leonid Brezhnev