Mikhail Sergeyevich Gorbachev was a Soviet and Russian politician who was the last leader of the Soviet Union from 1985 until the country's dissolution in 1991. He served as General Secretary of the Communist Party from 1985, and additionally as head of state from 1988. Ideologically, he initially adhered to Marxism–Leninism, but moved towards social democracy by the early 1990s. Acknowledged as "Man of the Decade". Gorbachev, as General Secretary of the Communist Party of the Soviet Union (Soviet leader), oversaw 1989's first free Soviet elections in history before the fragmentation of the Eastern Bloc and overthrow of Soviet-dominated communist governments in Eastern Europe. Wiki link