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TIL about Sikh Nation - the largest blood donation campaign run by Canadian Sikhs to commemorate the tragic loss of thousands of lives in India’s anti-Sikh genocide in 1984. It has saved more than 160,000 lives and spread to 27 communities across the country since it began in 1999.

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dwbr TIL the University of Tokyo are developing a technology that allows tactile feedback from holograms
ANROB TIL dolphins use “names." Young dolphins, within the first few months of life, display their creativity by creating a unique sound. These bleats, chirps and squeaks amount to a novel possession in the animal kingdom, a label that conveys an identity, comparable to a human name.
GA9Nj TIL that Archibald Gracie, a passenger who survived The Titanic sinking but died of complications within a year, had already endured tragedy in 1903, when his young daughter had been compressed to death in a hotel elevator shaft in Paris.
4kayX TIL of the Powell Memorandum. A confidential memorandum entitled "The Attack on the American Free Enterprise System". It kickstarted a concerted effort to shift US opinion to the right and started a massive PR campaign to persuade Americans that the 'left' was bad for the average American.
woEg6 TIL Ancient Egypt may have had the first health-care plan in the world