› added 3 years ago

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TIL thanks to an erroneous description of a US Customs flag in Nathaniel Hawthorne's "The Scarlet Letter", since the 1870s there's been a popular conspiracy theory that the USA has an official alternative flag, the "Civil Flag", with vertical stripes.

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via reddit.com

XEAZX TIL of The rule of Threes. You can survive three minutes of severe bleeding, without breathable air (unconsciousness generally occurs), or in icy water. You can survive three hours in extreme heat or cold. You can survive three days without drinkable water. You can survive three weeks without food.
yQnBV TIL The father of the Sherman Brothers wrote the music to Living in the Sunlight in 1930, which was popularized by Spongebob
9w58D TIL SpaceX (Starlink) owns more than half of the earth's artificial satellites.
5AVB TIL there is a 1909 Penny on Mars, which is used as a part of a Calibration Target on The Curiosity Rover
6ZlJ TIL there are still people who speak ancient Egyptian, as it is the language of the Coptic Church. Notable Egyptian contributions to English include the words “sack” and “ebony” and the name Susan.