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TIL Mr. Potato Head was the first toy ever advertised on television and the first to be marketed directly to children, rather than their parents.

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l7RmN TIL that the moon is 1/400th the size of the sun but also 1/400th the distance from Earth which results in the moon and the sun being the same size in the sky, a coincidence not shared by any other known planet-moon combination.
m1L6P TIL about Iva Toguri D'Aquino, a woman misidentified as ‘Tokyo Rose’ and the only American citizen to be convicted of and pardoned for the crime of treason against the United States of America.
rn6M TIL Heme is the iron-containing part of hemoglobin that binds oxygen in your blood. If you replace the iron atom in heme with magnesium, you get another biologically important family of compounds - chlorophyll.
WkaG8 TIL The Slovak government had to overturn an internet driven decision to name a bridge after Chuck Norris.
oBANo TIL that the African country of "Swaziland" has changed its name to "Eswatini" in April 2018.