The Concorde airplane was tested for the first time in Toulouse, France.
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Jupiter's moon was found to have a liquid ocean under a thick crust of ice.
The US spacecraft Pioneer 10 launched.
The musical 'The Sound of Music,' starring Julie Andrews, premiered.
The Republic of Texas declared independence from Mexico during the Texas Revolution.
Chemical elements Moscovium, Tennessine, and Oganesson were added to the Periodic Table of Elements.
