Edward VIII officially announced his abdication.
Despite having signed the official declaration the day prior, Edward did not announce it publicly until later. He made the proclamation in a radio broadcast which shocked the country.
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A trial for Huntington's disease procured positive results.
The final Apollo mission, Apollo 17, successfully landed on the moon.
The first yacht race across the Atlantic Ocean began.
British physicist Stephen Hawking won the $3 million Fundamental Physics Prize, the most profitable academic prize in the world.
Climate activist Greta Thunberg was named Time magazine's Person of the Year.
