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TIL that Thomas Jefferson and John Adams died within hours of each other on the 50th anniversary of the adoption of the Declaration of Independence (July 4, 1826)

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ZpJRQ TIL one of the co-creators of Keurig machines was diagnosed with caffeine poisoning due to his daily 30 to 40 cup coffee habit
RBla TIL of John Rabe, a Nazi party member who is credited for saving 250,000 Chinese civilians during the Nanking Safety Zone.
DB5g TIL that it was Plato who suggested that telling a lie was OK as long as it was for the good of the people. He called it the noble lie.
QyRM TIL in 1953, a US Scientist named Frank Olsen was administered LSD without his knowledge as part of the MKULTRA program. A week later, Olsen ended up dead. The CIA claimed Olsen jumped from a hotel window, but later paid the family $750K and a 2nd autopsy revealed he was likely assassinated.
l7RkA TIL that airplane emergency exit doors are impossible to open mid flight, because due to pressure, it would take 24,000 pounds of force to open the door.