30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1825518
148679
2

jan 1, 1860 - Alxandre Yersin

Description:

He worked in France as a Swiss doctor. His theory was to find Versmia pestis bacterium and prove that it causes black plague

Added to timeline:

14 Dec 2018

Date:

jan 1, 1860
Now
~ 164 years ago