Mikhail Sergeyevich Gorbachev (sometimes spelled Gorbachov) (2 March 1931 – 30 August 2022) was a Soviet politician and leader from 1985 to 1991 during the end of the Cold War from 1989 to 1991 .
He was the General Secretary of the Communist Party of the Soviet Union (1985-91), Chairman of the Supreme Soviet of the Soviet Union (head of state) (1988-91) and the first (and last) president of the Soviet Union (1990-dissolved 1991). Gorbachev is known for forming a friendship with President of the United States Ronald Reagan. Both of them helped end the Cold War.