33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
451155
38777
2

1 janv. 1869 - A total of 63 elements had been discovered. Scientists, started to notice patterns in the element's properties.

Ajouté au bande de temps:

Date:

1 janv. 1869
Maintenaint
~ Il y a 156 ans