The US spacecraft, Voyager, took the first-ever photograph of the moon and Earth together from space.
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During his fourth and final voyage, Christopher Columbus arrived in Costa Rica.
The New York Times published its first issue.
UN Women Goodwill Ambassador Emma Watson received a standing ovation for her gender inequality speech at the United Nations Headquarters, New York, US.
The Teutonic Knights defeated the Polish army in the Battle of Chojnice.
Tiffany & Co was founded by Charles Tiffany and John Young in Brooklyn, Connecticut.
