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TIL Why the Can Opener Wasn’t Invented Until Almost 50 Years After the Can

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QJwJe TIL that hiccups are an inheritance from our amphibians ancestors: it used to help in the respiration process, allowing water to pass through our ancestors' gills. Now they serve no purposes.
9YGwD TIL about Operation Kitona, when in 1998 Rwandan/Ugandan forces highjacked 4 civilian airliners, flew them to an airbase in western DRC where they amassed 3000 troops, then took over the Inga Dams and cut off power to Kinshasa. Thus began the Second Congo War, second deadliest conflict since WWII.
Z8w0o TIL that Scar’s real name is Taka, which in Swahili translates to “garbage,” meaning that Mufassa's and Scar’s parents named them “King” and “garbage." Ouch.
PW0O TIL Saladin, legendary leader of the Muslims during the Crusades, allowed Christians who wanted to leave Jerusalem to leave peacefully and those who wanted to stay, to worship freely. He even restored a church that was burned to the ground.
X05lR TIL famous baseball player Arthur Irwin committed suicide by jumping off a ship in 1928. When he died, two widows emerged. He had been living a double life and was married to two different women in different states unbeknownst to each other.