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TIL - Ireland was one of the earliest countries to adopt a system of hereditary surnames (11th century)

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nbX9 TIL In recognition of its record of downing large numbers of Soviet-built MiG aircaft, the F-4 Phantom II was called the “World’s Leading Distributor of MiG Parts”.
Z8dgD TIL dog mouths aren't any cleaner than human mouths, and can even host a great amount of bacteria, including various parasites and more.
mxkY TIL: Two thousand rats were bred for the production of Indiana Jones and the last Crusade (they had to be bred specially as ordinary rats would have been riddled with disease).
JNL1 TIL Humans have a genetic predisposition towards open spaces called a “Savannah preference”.
5YnX9 TIL that tongue-rolling, contrary to popular belief, is not determined by genetics.