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You learn something new every day; what did you learn today?
Submit interesting and specific facts that you just found out (not broad information you looked up, TodayILearned is not /r/wikipedia).
Submissions must be verifiable. Please link directly to a reliable source that supports every claim in your post title. Images alone do not count as valid references. Videos are fine so long as they come from reputable sources (e.g. BBC, Discovery, etc).
No personal opinions, anecdotes or subjective statements (e.g "TIL xyz is a great movie").
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No misleading claims. Posts that omit essential information, or present unrelated facts in a way that suggest a connection will be removed.
Rephrase your post title if the following are not met:
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All NSFW links must be tagged (including comments).
(Why we need rules)
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More information available on the TIL FAQ and wiki.
As of January 2018
We ask that you please do the following:
avoid mobile versions of websites (e.g. m.wikipedia.org)
link to the appropriate heading when referencing an article (particularly on Wikipedia)
link to the appropriate start time when referencing videos (e.g. on YouTube)
add [PDF] or [NSFW] tags to your posts, as necessary.
Please avoid reposting TILs that have already made the front page in the past
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TIL that the 130 tonne "fatburg" clogging London's sewers back in September 2017 was processed into 10,000 Litres of biodiesel by Argent Energy. (bbc.co.uk)
submitted 45 minutes ago by Flaigon
TIL during Napoleon's return from Elba, a Parisian paper printed headlines along the lines of: "Mar 9: The Monster has left his den. Mar 10: The Ogre has landed. Mar 13: The Tyrant has passed through Lyon. Mar 22: Yesterday evening His Majesty the Emperor made his entry and arrived at Paris." (en.wikisource.org)
submitted 21 minutes ago by TomtheWonderDog
TIL: Benjamin Franklin was the originator of raising taxes to pay for lower income families to do public service for a wage. City sweepers were the original public service job of the 1700s. (ebooks.adelaide.edu.au)
submitted 33 minutes ago by TreeHugChamp
TIL: That there were no spider bite related deaths in Australia from 1979 until 2015. (australianmuseum.net.au)
submitted 36 minutes ago by potatoplumber
TIL Get out of jail free cards genuinely exist in the US (bbc.co.uk)
submitted 52 minutes ago by BonoboUK
TIL about the 1964 Alaska earthquake. At 9.2, it was the 2nd largest ever recorded, and so devastating that people died as far away as Oregon and California. (en.wikipedia.org)
submitted 1 hour ago by kellenbrent
TIL of Brian Udell, a pilot who ejected at supersonic speed, rupturing his blood vessels, nearly losing his legs, and dislocating his elbow. He survived, but his weapon system officer didn't. (youtu.be)
submitted 1 hour ago by TheScienceofLifee
TIL the medical term for the "pins and needles" sensation you feel when losing circulation is called Paresthesia and has a sub-type called Formication that is the medical term for the feeling of insects crawling under your skin. (en.wikipedia.org)
submitted 19 minutes ago by Kixenos
TIL before the classic schoolboy costume Angus Young (AC DC) experimented with other costumes, including a Zorro style mask and cape, Superman and a gorilla suit. (teamrock.com)
submitted 42 minutes ago by BoringLittleCunt
TIL that White House correspondent Naomi Nover once assaulted Bernie Boston while Mother Teresa and Ronald Reagan "looked on in total amazement"? (en.wikipedia.org)
submitted 52 minutes ago by petar02
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