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June 15, 1667

On This Date in TWISTED-HISTORY.com! in 1667, Frenchman Jean-Baptiste Denys administered the first fully documented human blood transfusion. He transferred twelve ounces of sheep’s blood into a 15-year old French boy. To prepare the boy for the transfusion he was bleed 20 times by leeches. To everyone’s amazement, the boy survived and escaped to the … Continue reading

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