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Yalta Conference
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Potsdam Conference
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Period: to
Cold War
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U.S drops atomic bomb on Hiroshima
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Japan surrenders - end of WWII
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Winston Churchill delivers "Iron Curtain" speech
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Marshall Plan announced
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USSR blocks all ways to Western Berlin
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Blockade is lifted
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Russia tests first atomic bomb
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Warsaw pact formed
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U.S spy plane shot down