23 St. 38 Min, 11 Jun 1830 Jahr - Ignaz Semmelweis
Beschreibung:
Ignaz Semmelweis proved that childbed fever is transmitted by physicians while in hospitals. He began to use procedures such as washing hands after examinations in order to keep women safe.
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23 St. 38 Min, 11 Jun 1830 Jahr
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~ 195 years ago