During an interview with CBS, Donald Trump stated that the European Union is his biggest foe.
Harper Lee's second novel, 'Go Set a Watchman,' was published.
NASA's New Horizons space probe completed the first flyby of Pluto in the history of human spaceflight.
Batman's 'The Dark Knight' premiered in London.
President of France, Jacques Chirac narrowly escaped an assassination during the Bastille Day celebration.
Lynne and William Jolitz released the Unix-like operating system 386BSD.
The Everly Brothers broke up after Phil Avery smashed guitar and stormed off stage.
Ferrari secured its first Grand Prix victory at the 1951 British Grand Prix.
Dr. Benjamin Spock's book 'Common Sense Book of Baby & Child Care' was published.
A patent was granted to Robert Goddard for a liquid-filled rocket.
American outlaw Billy the Kid, also known as William H, Bonney was shot dead by police.
Alpinists reached the summit of Matterhorn for the first time.
The French Revolution began when the Parisians invaded Bastille Prison.
English composer Henry Purcell was appointed organist of the Chapel Royal, London.
