30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1822412
148507
2

feb 21, 1898 - Paul-Louis Simond

Description:

Experiment: Rats and fleas

Added to timeline:

Date:

feb 21, 1898
Now
~ 126 years ago