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.
Tiffany & Co was founded by Charles Tiffany and John Young in Brooklyn, Connecticut.
Segregation led many students to walk out of Froebel High School, Gary, Indiana.
Liechtenstein became the 160th member of the United Nations.
UN Women Goodwill Ambassador Emma Watson received a standing ovation for her gender inequality speech at the United Nations Headquarters, New York, US.