Major events in the life and career of Mikhail Gorbachev

FILE - Soviet leader Mikhail Gorbachev, left, shakes hands with U.S. President Ronald Reagan at the Geneva conference in November 1985. Former Soviet leader Mikhail Gorbachev has died Tuesday Aug. 30, 2022 at a Moscow hospital at age 91. (AP Photo, File)

Major events in the life and career of Mikhail Gorbachev