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  • Today I Learned @lemmy.world
    soumerd_retardataire @lemmy.world

    TIL that Hulagu Khan, who destroyed Baghdad and the Abassid califate in 1258, may have never done so without the christian demands.

    That's the event when the river turned black from the ink of all the hundreds of thousands of books now definitely lost. The reason why we only have a few works of the greatest minds of Islam's Golden Age.

    His grandfather, Gengis Khan, defeated the muslim Khwarezmian empire 37 years earlier in 1219-1221, but didn't go as far as the Abassid califate.
    His mother was christian, as well as his general for this conquest, Kitbuqa. There were other influences, including among advisors and in his army.
    It happened soon after the end of the crusader states, so the christians wanted a revenge(, even if they were treated much more humanely by Saladin than when the crusaders or the mongols killed most of the cities' inhabitants).
    It is said that Baghdad's entire muslim population was killed, with estimates ranging from 200.000 to 1 million. Only the city’s christian community was spared.
    It is also said that the islamic civilization could have definitively ended after Hulagu's conquest of

  • Today I Learned @lemmy.world
    Quilotoa @lemmy.ca

    TIL antimatter is the most expensive substance on Earth, costing $60 trillion per gram

    A list of the seven most expensive substances on Earth.

  • Today I Learned @lemmy.world
    Quilotoa @lemmy.ca

    TIL there's a sport of Ice Football

    www.neatorama.com The Sport of Ice Football

    Do you remember ice tennis? It's tennis placed on skates on an ice rink. Ice football is similar in that it is American football* except played on an ice rink. No, the players aren't wearing skates. They're wearing shoes instead of skates and hockey gear in addition to football helmets.A 2024 articl...

    I also learned I knew more German than I thought. "Das ist wunderbar qwarterbak sak."

  • Today I Learned @lemmy.world
    pelespirit @sh.itjust.works

    TIL - Elon Musk's granddad did some weird stuff in Canada

    “An ‘Invisible Government,’ working to carry out the objectives of the International Conspiracy, is operating in every country,” he wrote in his book The International Conspiracy in Health, which was published in the mid-1960s. In it, he also said the conspiracy was pushing for the fluoridation of water supplies, mandatory milk pasteurization and mass vaccination programs.

    “He never had any person that would be considered a spiritual guide,” Scott Haldeman told CBC in an email. “He felt he knew the Bible better than any minister and only went to church for weddings and funerals.”

    After Technocracy, Haldeman decided he would start his own political party, Total War and Defence. In his 1941 book, Total War and Defence for Canada, which was his manifesto for this new party, he argued for a policy of total conscription to support our British allies during the Second World War.

    He called for the conscription of “every employable man and woman between the ages of sixteen and sixty” and “a

  • Today I Learned @lemmy.world
    Quilotoa @lemmy.ca

    TIL the U.S. accidentally dropped 4 nuclear bombs on Spain 1966

    A bomber carrying the bombs crashed into its refueling jet causing the disaster. Two of the bombs' parachutes didn't open and the explosives around the nuclear core exploded scattering radiation across the countryside. The U.S. and Spain reached an agreement to clean up the soil, but it still hasn't been done.

  • Today I Learned @lemmy.world
    andrej @feddit.org

    TIL that x86 has a floating point NOP called FNOP

  • Today I Learned @lemmy.world
    Silverchase @sh.itjust.works

    TIL faxing was invented before the telephone

  • Today I Learned @lemmy.world
    Fedo[T] ¶ @lemmy.blahaj.zone

    TIL USA banned asbestos only in 2024