Louis XVI of France declared war on Great Britain during the American Revolution.
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NASA launched Telstar 1, the world's first active communications satellite.
West Virginia had its hottest day on record at a sweltering 112°F (44°C).
The Battle of Dyrrhachium occurred.
The British newspaper, News of the World, published its last-ever edition following a phone-hacking scandal.
Aviator Howard Hughes started his around-the-world flight.
