High Quality Content by WIKIPEDIA articles! The history of the Soviet Union from 1964 to 1982, referred to as the Brezhnev Era, covers the period of Leonid Brezhnev's rule of the Union of Soviet Socialist Republics (USSR). This period began with high economic growth and soaring prosperity, but ended with a much weaker Soviet Union facing social, political, and economic stagnation. The average annual income stagnated, because needed economic reforms were never fully carried out.