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TIL only 20% of Americans were in-favor of interracial marriage at the time it was deemed legal by the United States Supreme Court.

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ADrLg TIL The magnetic north pole moves around 55 kilometres (34 miles) a year. It crossed the international date line in 2017, left the Canadian Arctic and is headed to Siberia. This presents a problem for compasses in smartphones and other electronics.
Xe4R TIL there is a snail with iron armor.
78nZx TIL of HEXAGON, a spy satellite used by the USA during the 1960s that captured several miles of film at a time, airdropping them into the ocean for recovery
dDkwQ TIL that autocomplete for keyboards was first developed in the 1950s for Chinese typewriters, which required users to navigate through thousands of logographic characters, thus helping people type faster without the need to search for each character.
BronK TIL Walt Disney was once filmed physically performing the role of Mickey Mouse as a reference for the animators of a 1930s short. Sadly, no known copies of the footage exist.