Harper Lee’s second novel, “Go Set a Watchman,” was published.
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The Everly Brothers broke up after Phil Avery smashed guitar and stormed off stage.
American outlaw Billy the Kid, also known as William H, Bonney was shot dead by police.
Batman's 'The Dark Knight' premiered in London.
NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
