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First U.S. atomic bomb is detonated.
Began the threat of U.S. nuclear superiority. -
U.S. drops atomic bomb on Hiroshima.
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Truman approves H-Bomb.
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Korean War
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General MacArthur pushes invading forces back behind the 38th Parallel.
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Truman is forced to remove MacArthur from duty.
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Period: to
Nuclear Arms Race atomic tests series 11 explosions at Nevada Test Site.
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H-Bomb Castle-Bravo test.
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USSR sent tanks into Poznan, Poland, to suppress demonstrations by workers.
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Cuba aligns itself with Soviet Union.
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Cuban Missle Crisis.