Mikhail Gorbachev Nikita Khrushchev. He was appointed the First Party Secretary of the Stavropol Regional Committee in 1970, in which position he oversaw construction of the Great Stavropol Canal. In 1974 he moved to Moscow to become First Secretary to the Supreme Soviet and in 1979 became a candidate member of the Politburo. Within three years of the death of Soviet leader Leonid Brezhnev, following the brief "interregna" of Yuri Andropov and Konstantin Chernenko, Gorbachev was elected general secretary by the Politburo in 1985. Although committed to preserving the Soviet state and to its socialist ideals, Gorbachev believed significant reform was necessary
Mikhail Gorbachev and the communist government had already been deposed. Moscow's abandonment of the Brezhnev Doctrine allowed the rise of popular upheavals in Eastern Europe throughout 1989, in which Communism was overthrown. By the end of 1989, revolts had spread from one Eastern European capital to another, ousting the regimes built in Eastern Europe after World War II. Except in Romania, the popular upheavals against the pro-Soviet regimes were all peaceful ("see Revolutions of 1989"). The loosening of Soviet hegemony over Eastern Europe effectively ended the Cold War, and for this, Gorbachev was awarded the Otto Hahn Peace Medal in Gold in