Walt Disney World Resort officially opened in Florida.
The star guest of the grand opening was William, Windsor Junior.
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Sony released the world's first CD player in Japan.
Edgar the Peaceful, noted for his peacekeeping, became King of England.
Rudolf I became king of Germany and reigned until he died in 1291.
Mass murderer, Stephen Paddock, shot dead 59 people and injured 869 while firing at 22,000 concertgoers in Las Vegas, Nevada, US.
Nigeria, Africa, gained its independence from British rule.