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TIL Mongols used catapult to send dead soldier bodies infected by the plague across the walls.

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Ypa1x TIL that the Mississippi River has been forced through New Orleans artificially by a series of floodgates. If they fail it will shift course 85 miles west and make America's largest port effectively useless overnight.
M7OdB TIL Jeff Bezos' salary as Amazon CEO was always $81,840. His wealth is largely tied to his 11% ownership of Amazon stock which originally cost $18 a share.
pKGe TIL an Army helicopter pilot during the Vietnam War named Hugh Thompson prevented hundreds of civilians at My Lai from being murdered by confronting fellow soldiers and ferrying civilians to safety by helicopter.
nO6b TIL that the 1978 arcade game “Space Invaders” was so popular upon its release that by mid-1981, Space Invaders machines had grossed more than four billion quarters.
0xMM TIL not ejaculating for 7 days is associated with a 45.7% increase in testosterone