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TIL In 2012, a solar Coronal Mass Ejection that might have taken the world 4 to 10 years to recover from missed Earth by about 9 days

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vPBp8 TIL: Abraham Lincoln told his biographer, friend, and law partner of 18 years, William Hearndon, how he had been infected with syphilis in 1835 or 1836 (by a prostitute). Hearndon, believing both Mary Todd and Abraham Lincoln had syphilis, suspected it in the premature death of 3 Lincoln children
BL9L TIL There are two Underground stations at Victoria in London that are connected and were built more than a century apart
ADXb4 TIL there's such thing as a Quaking Bog, where bog vegetation builds up on top of water or very wet peat. Walking there can cause the ground to ripple and trees to sway.
7rbP TIL Ireland is the only land in religious history in which there was no bloodshed when the induction of Christianity occurred
mjkP TIL that during America’s eugenics movement some 60,000 people were involuntarily sterilized. The Supreme Court upheld the practice in an opinion written by Justice Oliver Wendell Holmes, who wrote that “three generations of imbeciles is enough.”