Los Angeles was covered in snow for the first time in recorded history.
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The first successful administration of insulin to treat diabetes was given to 14-year-old Leonard Thompson.
Harry Potter author J.K. Rowling officially finished writing The Deathly Hallows.
East Pakistan renamed itself Bangladesh after seceding from Pakistan.
Astronomer Sir William Herschel discovered the first two moons of Uranus, Titania & Oberon.
Charing Cross Railway Station opened in London, England.
