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January 7th, 1953, President Truman announces the hydrogen bomb.
November 9, 1989, the Berlin Wall was opened.
October 23, 1956, the Hungarian Revolution began.
October 3, 1990, Germany was officially reunified.
May 22, 1972, Richard Nixon arrived in Moscow for a historic visit to the Soviet Union.
April 17, 1961, the Bay of Pigs invasion was launched.
