33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
2167681
181605
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Créer
Close
Create a timeline
Public timelines
Library
FAQ
21 juin 1804 - Discovery of iridium and osmium
Description:
Smithson Tennant announces the discovery of the elements iridium and osmium
Ajouté au bande de temps:
The Long 19th Century
By
Gaunab
17 nov. 2018
1
0
547
Date:
21 juin 1804
Maintenaint
~ Il y a 221 ans
About & Feedback
Un accord
Confidentialité
Bibliothèque
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL