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American
history: 40 000 BC - 1492 AD
American
history: 1492 - 1763
American
history: 1763 - 1790
American
history: 1790 - 1861
American
history: 1861 - 1865
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American
history: 1865 - 1914
American
history 1914 - 1945
American
history: 1945 - 1999
American
history: 2000 -
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