Galileo Galilei discovered Callisto, the fourth moon of Jupiter.
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Industrialist Henry Ford's method to construct auto bodies from plastic was patented.
Alfredo Ormando set himself on fire in St. Peter's Square, protesting against the Roman Catholic Church's teaching on homosexuality.
Johnny Cash recorded his iconic live album, At Folsom Prison.
German composer Richard Wagner completed 'Parsifal' – one of his most famous operas.
Instruments used to observe Venus found two-thirds of the planet's southern hemisphere brightened after aerosols were triggered on an 'astronomical' scale.