may 15, 1850 - Ignaz Semmelweis lectures before the Society of Physicians- May 15, 1850

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Ignaz Semmelweis, Hungarian scientist, noticed in his studies that disinfection led to reduced mortality rates in childbirth. His lecture to the Society included his findings in the realm of disinfection and handwashing, and brought it to the forefront of European science of the day.

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