41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
23547
2132
2
Public Timelines
FAQ

jan 1, 1796 - Edward Jenner

Description:

created vaccination by inoculating a milk maid with cowpox virus

Added to timeline:

7 Sep 2017
0
0
770

Date:

jan 1, 1796
Now
~ 230 years ago