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February 1945
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July 1945
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March 1946
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August 1945
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June 1947
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June 1948
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August 1949
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February 1950
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Yalta Conference
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Potsdam Conference
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Churchill's 'Iron Curtain' speech
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Atomic bombs dropped on two Japanese cities
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The US develops the Marshall Plan
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Soviet forces blockade West Berlin
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The Soviet Union detonates its first nuclear weapon
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Joseph McCarthy claims communist infiltration of US