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TIL that manmade air pollution is the cause of more than two million deaths every year globally

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rN9ew TIL that miniature horses are ADA service animals and are protected under law.
R5lB9 TIL about the Egyptian-Hittite peace treaty, which is the oldest recorded peace treaty in history (c.1259 BCE). In this treaty, both parties agreed to end their war, form an alliance in the event of foreign or domestic aggression, and to the extradition of rebels, fugitives, and political refugees.
oBrZ7 TIL Angkor Wat actually used a much greater amount of stone than every one of the Egyptian pyramids combined. On top of that, if also occupied a surface area greater than Paris in its entirety
N7KPE TIL that a Chemistry Prof Accidentally Killed Herself by Allowing 2 Drops of Organic Mercury to Land on Her Gloved Hand
v18Vx TIL The phrase "back to square one" originates in the game of snakes/chutes and ladders