General Robert E. Lee
Emancipation Proclamation
Battle of Gettysburg
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George Armstrong Custer
June 25, 1876
Battle of the Little Bighorn.
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Terrorist attacks
World Trade Center
September 11, 2001
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27 August 1883
Loudest sound ever.
Krakatoa volcano erupts.
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Colonial Massachusetts
Witchcraft
Salem Witch Trials.
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