Edward & Sarah Bishop and seven others were examined by Magistrates in Salem, Massachusetts, for witchcraft.
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Michael Moorer claimed the heavyweight boxing title after smashing Evander Holyfield in Paradise, Nevada, US.
President Richard Nixon died of a stroke at the age of 81.
The final gasps of the Crab Head nebula were observed as it went supernova.
The Paris Agreement was opened for signatures.
Twenty million Americans mobilized to call for greater protections for our planet. This became the world's first Earth Day.