Lynne and William Jolitz released the Unix-like operating system 386BSD.
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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.
Alpinists reached the summit of Matterhorn for the first time.
Batman's 'The Dark Knight' premiered in London.
The French Revolution began when the Parisians invaded Bastille Prison.
