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TIL Hippolyte Bayard claimed to have invented the camera before Louis Daguerre. He developed such an intense one-way rivalry with Daguerre that he took a photo of a drowned man and claimed that he had killed himself over Daguerre's fame and that he was the man in the image.

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Oo1Va TIL about India's mysterious Special Frontier Force (SFF) unit, which has been instrumental in occupying some key heights on the LAC with China in Ladakh to thwart any occupation by the Chinese troops.
nWdMo TIL of the album Dark Night of the Soul by Danger Mouse and Sparklehorse. It was unreleased for years due to a label dispute. After it was leaked online, Danger Mouse started selling a blank CD-R with the label "For legal reasons, enclosed CD-R contains no music. Use it as you will."
neWRb TIL that Saddam Hussein received the Key to the City of Detroit in 1980 after donating thousands of dollars to local churches.
dG0B TIL aurora enthusiasts in Alberta discovered a previously undocumented ribbon of light in the sky similar to the aurora borealis. They named it ‘Steve’ in tribute to the animated film “Over the Hedge,” in woodland creatures name an unknown object “Steve” to make it appear less frightening.
YppZG TIL many EXIT signs contain a radioactive isotope of hydrogen, tritium gas. This allows for radioluminescence, which makes the sign glow as a result of low-level beta radiation from the tritium decay.