› added 7 years ago

386

TIL that it has been mathematically proven that every European currently alive is descended from Charlemagne

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neLQd TIL that Bessie Coleman was not only the first African-American woman to hold a pilot's licence, but also the first Native American to do so.
wopDP TIL that beneath Grand Central Terminal in NYC lies a massive hidden basement called M42, which was once a WWII target. It remained secret for decades and is large enough to fit two football fields, housing key equipment for powering the terminal.
VMvdG TIL Abraham Lincoln's son Robert Todd Lincoln was either present or nearby during the assassinations of three U.S presidents. After the third assassination he vowed to never accept another presidential invite.
grAg7 TIL the 'Longest' word has 189,819 letters and takes three hours to pronounce
OoWkL TIL an apparent recent increase in the prevalence of childhood autism may in fact, not be an actual increase but it's rather a reflection of a rising awareness of the condition and improved systems for identifying autistic children.