Major events in the life and career of Mikhail Gorbachev

FILE - Soviet President Mikhail Gorbachev checks the time on his watch before his resignation speech in the Kremlin on Dec. 25, 1991. Former Soviet leader Mikhail Gorbachev has died Tuesday Aug. 30, 2022 at a Moscow hospital at age 91. (AP Photo/Liu Heung Shing, File)