Mikhail Sergeyevich Gorbachev was a Russian and Soviet politician who served as the last leader of the Soviet Union. As the country's head of state from 1988 to 1991, he served as Chairman of the Presidium of the Supreme Soviet from 1988 to 1989, Chairman of the Supreme Soviet from 1989 to 1990, General Secretary of the Communist Party of the Soviet Union from 1985 to 1991, and President of the Soviet Union from 1990 until the dissolution of the Soviet Union in 1991. Read More
