The Grand Canyon National Monument was created.
It was the fifteenth site in the US to be named a national park.
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Diego, a 100-year-old tortoise, was retired from a breeding program after fathering 800+ children.
Astronomer Sir William Herschel discovered the first two moons of Uranus, Titania & Oberon.
The ruins of an ancient lost city were discovered in eastern Ecuador.
Los Angeles was covered in snow for the first time in recorded history.
Harry Potter author J.K. Rowling officially finished writing The Deathly Hallows.
