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TIL that the Nijō Palace in Kyoto has special floors that squeak when walked upon, a sound that is very similar to the Nightingale birds. So when attackers tried to kill the Shogun, they would give their position away, but would only think that the birds outside are chirping.

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4XwpJ TIL the first successful penis transplant went to a soldier who suffered a devastating injury from an improvised explosive device while serving in Afghanistan
OGMyR TIL Astronomer Rudolf Wolf observed sunspots through a telescope for 46 years from 1847 and managed to reconstruct historical records back to 1610. His sunspot number monitoring work continued at the Zürich Observatory until 1979
R7kK7 TIL The most popular type of oranges in the world is called Navel Oranges. They originate from a tree which mutated 200 years ago in Brazil and they are seedless, because the tree is seedless it cannot propagate normally and all navel orange trees are born from cuttings rather than seeds.
XWLr TIL In 1967 Jimi Hendrix opened for The Monkees. He played 8 of the 29 dates, then flipped off the audience, threw down his guitar, and walked off.
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