Lynne and William Jolitz released the Unix-like operating system 386BSD.
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NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
American outlaw Billy the Kid, also known as William H, Bonney was shot dead by police.
The French Revolution began when the Parisians invaded Bastille Prison.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
Batman's 'The Dark Knight' premiered in London.
