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TIL that the Swedish warship Vasa, which famously sank in 1628 less than a mile into its maiden voyage, was built asymmetrically. Archaeologists have found four rulers used by the workers; two turned out to be based on Swedish feet with 12 inches. The other two used Amsterdam feet, with 11 inches.

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4Rjb TIL that the White House increased the numbers of signatures necessary for a petition to get a response after a petition for an American Death Star got enough signatures
OoWM7 TIL the US agriculture industry was using an arsenic additive for chicken feed up until 2011, and at its peak 1000 tons of it were produced every year. The FDA finally banned its use in 2015, four years after the industry stopped using it.
oR9JY TIL that in 1895, J.P. Morgan & Co. supplied the United States government with $62 million in gold to float a bond issue and restore the treasury surplus of $100 million.
N7ajP TIL Sturgis tourism dept measures the number of Bike Week visitors not by counting bikes or people, but by weighing the TRASH after the event
gMMpW A circumhorizontal arc often called a fire rainbow, is an optical phenomenon in which an ice halo forms by hexagonal, plate-shaped ice crystals in high-level cirrus clouds. The halo is so large that the arc appears parallel to the horizon, hence the name. When the sun is very high in the sky, sunlight entering flat, hexagon-shaped ice crystals get split into individual colours just like in a prism.