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TIL the tall cone-shaped “princess hat” is called a hennin. They originated with the warrior queens of Mongolia and became fashionable in Europe after Marco Polo brought one back from his travels.

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9w6kr TIL that the largest territorial claim in antarctica is made by Australia, totalling an area of 5,896,500 km2
X0Lm8 TIL There are 198 ways to protest peacefully and nonviolently, divided into categories like persuasion, not cooperating, and direct action, all explained by Dr. Gene Sharp,
yQGVp TIL that the “Tetris Effect” occurs when you focus so much on something— such as a video game— that you start to see it in real life and during sleep
gMNA TIL that in the movie half baked when dave chapelle says to the scientist “ my grandfather was part of the Tuskegee experiments” he really was.
WkWw4 TIL planes traveling west are assigned even-numbered altitudes (to the nearest thousand feet) while planes traveling east are assigned odd-numbered altitudes.