A patent was granted to Robert Goddard for a liquid-filled rocket.
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NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
Lynne and William Jolitz released the Unix-like operating system 386BSD.
Batman's 'The Dark Knight' premiered in London.
English composer Henry Purcell was appointed organist of the Chapel Royal, London.
Harper Lee's second novel, 'Go Set a Watchman,' was published.
