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no specific date
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75% of the Europe population died in 20 years
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Zucharius Jannssen
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Edward Jenner
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by Rene Laennec
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James Blundell
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Dr. William Morton uses anesthetic properties during a tooth extraction in Boston
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Elizabeth Blackwell
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William Roentgen
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AIDS excisted for a long time before this though
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Marie Curie
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Sir Alexander Fleming
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Paul Zoll
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James Watson and Francis Crick
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Louise Brown of Great Britian
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by the World Health Organization
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published by William Harvey explaining how blood is pumped through the body by the heart and then recirculates
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Karl Landsteiner introduces a system to classify blood into A, B, AB, and O
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Persian physician Rhazes is the first to identify smallpox, as distinguished from measles, and to suggest blood as the cause of infectious disease.