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TIL The first known written record with a name comes from Sumerian accountant over 5000 years ago and states ‘A total of 29,086 measures of barley were received over the course of 37 months. Signed, Kushim.’

R5Z5l TIL the idea that if you connect all of your blood vessels up end to end that it would stretch (100,000km/60,000mi) or 2 and a half times around the world is wrong, it's actually only 9,000km to 19,000km or 5,600mi to 11,800mi. So not even 1 time around the world.
PY6QJ TIL Archduke Ferdinand survived an initial assassination attempt on the day he was killed when a grenade bounced off his convertible. He escaped unharmed, but later wanted to visit the wounded and that is when his car stalled next to one of the assassins, who happened to be nearby.
kOyY4 TIL in a 2010 Japanese study of more than 95,000 cases of CPR, researchers found that only 8 percent of patients survived more than 1 month. Only about 3 percent could lead a mostly normal life. 3 percent were in a vegetative state, and 2 percent were alive but had a “poor outcome”.
7rQ9r TIL that the "Magic Relationship Ratio," according to science, states that for every negative interaction during conflict, a stable and happy marriage has five (or more) positive interactions
wPxE TIL ska and reggae can be traced back to 1 song: Fats Domino’s “Be My Guest”. Radios in Jamaica picked up most R&B stations in the South of the US and this was a particular favorite.