29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1365723
106870
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
feb 22, 1800 - 1800 Dr. Benjamin Waterhouse introduced smallpox vaccination to the United States.
Added to timeline:
15 Jul 2018
0
0
377
Oublic Health
Date:
feb 22, 1800
Now
~ 224 years ago