33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
102266
9306
2
Public Timelines
FAQ Get premium

jan 1, 1863 - John Newlands organized the 56 then known elements into eleven separate groups based upon their atom structure.

Added to timeline:

Date:

jan 1, 1863
Now
~ 162 years ago