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TIL I learned that both Chinese and Koreans refer to themselves as "Han." However, their origins are unrelated, with Chinese "Han" ultimately deriving from the name of a local river, and Korean "Han" likely sharing the same root as the "khan" of the Mongols and Turks

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LYe9 TIL That at the outbreak of the 1973 Yom Kippor War, Israeli forces of just 3,000 troops, 180 tanks and 60 artillery were able to halt the advance of a Syrian force of 28,000 troops, 800 tanks and 600 artillery until reservists were mobilised
0wXn5 TIL a Swedish man survived for 2 months snowed in in his car by eating snow and maintaining his body temperature thanks to the “igloo effect.” The snow insulating his vehicle retained the warmth and 2 months is the upper limit for the amount of time the human body can survive without food.
wLN67 TIL that Dalmatians we’re used as guard dogs for horses who would become scare at the scene of a fire. Since they stopped using horses it became the mascot of fire stations.
rNwby TIL the upper survival time limit of properly stored seeds remains unknown. The oldest viable seed that has grown into a full plant was an about 2,000 years old Judean date palm seed
Lk050 TIL of co-emperors Caracalla & Geta,who hated each other.At a meeting set by their mother, Caracalla had Geta killed.Caracalla then killed any who knew Greta.Over 20,000 were killed.It became a capital crime to even say "Greta".Years later he sacked a city because they held a satire of the murder.