30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
516938
43773
2

jan 1, 1803 - John Dalton

Description:

In 1803 John Dalton had a theory that was. Elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass, and other properties

Added to timeline:

8 Jan 2018

Date:

jan 1, 1803
Now
~ 221 years ago