33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
May 1, 2025
7613984
722193
2

1 janv. 1796 - Edward Jenner

Description:

Inoculated someone with the cowpox virus, and the ended up being immune to smallpox; this was the first instance of vaccinations.

Ajouté au bande de temps:

10 nov. 2022
0
0
134

Date:

1 janv. 1796
Maintenaint
~ Il y a 229 ans