1980's
August 1980 - Polish ship yard workers strike which makes the solidarity union form.
FEBRUARY 1980 - The heavily favored Soviet Union hockey team loses to the United States team at the 1980 Winter Olympics.
JANUARY 1981 - Reagan becomes the president of the United States of America
MARCH 1985 - Mikhail Gorbachev becomes the new leader of the Soviet Union.
NOVEMBER 1989 - East Germany allows non restricted migration to West Germany
DECEMBER 1989 - the Berlin Wall is demolished.