The United States Congress established Yosemite National Park.
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Edgar the Peaceful, noted for his peacekeeping, became King of England.
Mass murderer, Stephen Paddock, shot dead 59 people and injured 869 while firing at 22,000 concertgoers in Las Vegas, Nevada, US.
Sony released the world's first CD player in Japan.
Bernie Sanders suffered a heart attack.
Supreme Court ruled bans on interracial marriage unconstitutional.