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World War II ends in Europe
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The Truman Doctrine was announced.
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The North Atlantic Treaty Organization was established.
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Western leaders organized the Berlin airlift.
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North Korea attacks South Korea. The South wins.
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The United States tested the first fusion-powered hydrogen bomb
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First artifical satellite launched.
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Confrontation between the United States and the Soviet Union over the instullation of the Soviet nuclear missiles in Cuba.
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U.S. and China establish diplomatic relations.
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George Bush and Mikhail Gorbachev agree to the reunification of Germany in 1994