41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1928209
159213
2
Public Timelines
FAQ

jun 1, 1865 - John Newlands comes up with the Law of Octaves, seeing similarities between elements that differed by 7 and comparing it to octaves in music.

Added to timeline:

Date:

jun 1, 1865
Now
~ 161 years ago