A patent was granted to Robert Goddard for a liquid-filled rocket.
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The Everly Brothers broke up after Phil Avery smashed guitar and stormed off stage.
President of France, Jacques Chirac narrowly escaped an assassination during the Bastille Day celebration.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
Harper Lee's second novel, 'Go Set a Watchman,' was published.
Alpinists reached the summit of Matterhorn for the first time.
