› added 6 years ago

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TIL that the USA does not have an official language at the federal level. English is only the official language of 32 states.

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m1Lwo TIL The world record for the fastest flight speed of a manned airplane was set in 1967 when The North American X-15 reached a top speed of Mach 6.72 (4,520 mph or 7,274 km/h).
e0KJ6 TIL of Tom Attridge, a Grumman test pilot who managed to shoot himself down while in an F11F Tiger after entering a steep dive and catching up to rounds fired prior to the dive (which slowed down due to air resistance). With his engine and windshield damage, he was forced to crashland but survived.
oBrDW TIL that President Roosevelt's dog, Fala, was so well known to Americans during his presidency that American soldiers during the Battle of the Bulge would ask each other what the president's dog was named in order to prove that they weren't Germans in disguise.
78r8b TIL the U.S. Food and Drug Administration has a whole handbook on allowable defect limits for various foods, such as 400 insect fragments being allowed per 50 grams of ground cinnamon and 4.5 rodent hairs being allowed per 225 grams of noodles.
emAk TIL the first confirmed fatal wolf attack in North America was in 2010.