41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1764767
142194
2
Public Timelines
FAQ

jul 15, 1905 - Marie and Pierre Curie discovered that thorium also emitted radiation depended upon the element present in the compound.

Added to timeline:

28 Sep 2018
0
0
628

Date:

jul 15, 1905
Now
~ 121 years ago