A screening test of Walt Disney’s “Steamboat Willie” occurred featuring Mickey Mouse.
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Prince Charles and Lady Diana Spencer got married at St. Paul's Cathedral in London.
David Berkowitz, otherwise known as the Son of Sam serial killer, shot his first victims.
Lance Armstrong won the Tour de France for the third time in a row.
Renegades of the Abbasid Caliphate captured Thessalonica, which is modern-day Thessaloniki, Greece.
Lil Nas X's 'Old Town Road' single reached a new record for the longest time on the Billboard charts after spending 17 weeks at number one.