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TIL Richard B. Fitzgibbon Jr. of the USAF was the first American to die in the Vietnam War, but he was not killed in action, he was murdered in Saigon by another American airman, Edward C. Clarke on June 8, 1956.

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8avlV TIL the only non-military dog to be awarded the Dickin Medal for bravery, was a collie named Sheila. In 1944 she tracked down 4 injured US airmen on a mountain during a blizzard, after their B-17 crashed. She led locals to their location, who evacuated them before the bombs detonated shorty after.
nePyo TIL that laid end to end, an adult’s blood vessels could circle Earth’s equator four times!
KYmRQ TIL that the posts with 4 holes at the top that you threw a ball into, on elementary school playgrounds, actually had a point: Funnel ball.
vlZr TIL The term X-mas doesn’t originate from the deletion or “x-ing” out of Christ like some people believe. The X is taken from the Greek word “Χριστός” or khristós (the anointed one).
a1YJ TIL That a war dog during WWI was promoted to sergeant through combat, participated in 17 battles in the Western Front, saved his regiment from surprise mustard gas attacks, and once caught a German soldier by the seat of his pants, holding him there until American soldiers found him.