33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
5226789
494067
2
Public Timelines
FAQ Get premium

jan 1, 1911 - Protactinium, known as brevium, is discovered. "Celtium" is erroneously discovered.

Added to timeline:

Date:

jan 1, 1911
Now
~ 114 years ago