29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
3491955
317205
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1945 - Atomic Bomb uses radioactivity
Added to timeline:
6 Nov 2019
0
0
175
History of isotopes
Date:
jan 1, 1945
Now
~ 79 years ago