33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
16185
1592
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Create
Create a timeline
Public timelines
Library
FAQ

jan 1, 1899 - James Dewar collected solid hydrogen for the first time.

Added to timeline:

Hydrogen Tech

ByYehuda
2 Sep 2017
0
0
1422

Date:

jan 1, 1899
Now
~ 126 years ago
About & FeedbackTermsPrivacyLibraryFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL