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"Little boy" was dropped on Hiroshima
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"Fat Man" was dropped on Nagasaki
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Period: to
Cold War began and ended
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Truman Doctrine
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NATO was formed
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Soviets dropped their nuclear bomb
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Berlin was divided
Divided into communist east berlin and democratic west berlin -
Enewetak was dropped
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Soviets dropped their thermonuclear bomb
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Warsaw pact was formed
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Sputnik-1 was launched
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The explorer was launched
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Berlin Wall was built
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Period: to
Belin Wall came to an end
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Soviet union dissolved into component republics