Lynne and William Jolitz released the Unix-like operating system 386BSD.
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A patent was granted to Robert Goddard for a liquid-filled rocket.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
The French Revolution began when the Parisians invaded Bastille Prison.
American outlaw Billy the Kid, also known as William H, Bonney was shot dead by police.
President of France, Jacques Chirac narrowly escaped an assassination during the Bastille Day celebration.