The United Kingdom left the European Union, also known as “Brexit.”
The withdrawal agreement was ratified at 23:00.
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The day after being appointed, Adolf Hitler called for new elections to ensure he would win majority votes.
NASA's Apollo 14 spacecraft was launched and headed for the moon.
Doug Williams became the first African-American quarterback to play in the Super Bowl.
The first American satellite, Explorer 1, was launched into space.
The first-ever daytime soap opera, These Are My Children, aired on NBC.