29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
702519
59503
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
12h 21min, jan 1, 1920 y - The Discovery of the Proton. 1920
Description:
Ernest Ruthford
Added to timeline:
9 Feb 2018
0
0
295
timeline of atom
Date:
12h 21min, jan 1, 1920 y
Now
~ 104 years ago
