A patent was granted to Robert Goddard for a liquid-filled rocket.
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Lynne and William Jolitz released the Unix-like operating system 386BSD.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
Alpinists reached the summit of Matterhorn for the first time.
Dr. Benjamin Spock's book 'Common Sense Book of Baby & Child Care' was published.
