The US spacecraft, Voyager, took the first-ever photograph of the moon and Earth together from space.
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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.
During his fourth and final voyage, Christopher Columbus arrived in Costa Rica.
The second Theatre Royal, Covent Garden in London, opened.
Segregation led many students to walk out of Froebel High School, Gary, Indiana.
