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TIL there are still people alive today who had a grandparent born in the 1700s

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x6VN0 TIL the first ever transatlantic radio signal was received here in Canada, morse code for the letter “s”
BrGPx TIL that underwater explosions can be used to manufacture complicated jet engine parts and missile cones in a process that's called "explosive forming".
ney89 TIL the first photos that came back from Hubble were blurry and to fix that NASA gave it a new prescription lens
Egb8x TIL after The Wizard of Oz, 40 books were written that are "canon" to the land of Oz, plus many others
x69G7 TIL in Communist Romania natalist policies of Nicolae Ceaușescu led to 100k+ kids into Orphan Homes where they were Beaten, Starved, Drugged, tied to own beds and spent days in own urine and feces