29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
709266
60157
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
dec 15, 1861 - 1st Design
Description:
- Beguyer de Chancourtois proposes the first design of the table
Added to timeline:
8 Feb 2018
0
0
283
THE PERIODIC TABLEEEE
Date:
dec 15, 1861
Now
~ 162 years ago