30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
73332
6570
2

jan 24, 1670 - Johann Becher and Georg Stahl came up with the Phlogistic theory

Added to timeline:

27 Sep 2017

Date:

jan 24, 1670
Now
~ 354 years ago