› added 7 years ago

255

TIL forgetting to put a washer on before a nut caused a plane to explode

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6ElNl TIL 99% of consumer grade fireworks are made in China
L7BZ TIL Mona Lisa is far from unique. There were several contemporary versions made by Da Vinci’s presumed male lover Salai, including a nude version.
b9w47 TIL the “Great Depression” did not originally refer to 1929, but instead to an earlier depression in 1873, later renamed the “Long Depression”
6EBjX TIL that in addition to Deepwater Horizon, BP was also responsible for the infamous Texas Refinery explosion that killed 15 and injured 180. Both were a result of budget cuts to safety and training.
l7nDr TIL about what is considered to be the most challenging college entrance exam ever. It is administered by the All Souls College of the University of Oxford since 1878. Examinees are required to finish 12 hours worth of written exams and only 1-2 candidates are admitted per year.