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June 1950
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June 1951
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March 1953
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July 1953
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December 1954
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May 1955
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November 1956
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October 1957
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North Korean forces invade South Korea
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Julius and Ethel Rosenberg executed for spying
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The death of Soviet leader Joseph Stalin
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An armistice ends fighting in the Korean War
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Joseph McCarthy is censured by the US Senate
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Soviet bloc nations sign the Warsaw Pact
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Soviet troops crush the Hungarian Uprising
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The USSR launches the Sputnik I man-made satellite