1 janv. 1887 - The Hygienic Laboratory established (Later known as the National Institutes of Health)
Description:
"In 1887, a laboratory for the study of bacteria, the Hygienic Laboratory, was established within the Marine Hospital Service."Source:
https://en.wikipedia.org/wiki/National_Institutes_of_Health
Ajouté au bande de temps:
Date:
1 janv. 1887
Maintenaint
~ Il y a 138 ans