Apple released the first computer with a graphical user interface (GUI) called the Lisa.
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Miami, Florida, received snow for the first and last time ever.
The Beatles song 'Helter Skelter' was played in court as evidence for Charles Manson's trial.
Earth-like calcium-rich deposits were found on Mars by NASA's Curiosity Rover.
The Batavian Republic was proclaimed, replacing the Republic of the Seven United Netherlands.
Richard Crosbie became the first Irish man to fly a hot air balloon in Ireland.
