33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
1851348
151326
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
Create
Close
Create a timeline
Public timelines
Library
FAQ
apr 12, 1900 - Max Planck - Quantum Theory (1900)
Description:
Planck found that energy could be measured in units and was not just one continuous electromagnetic wave, as previously believed.
Added to timeline:
Atomic Theory Timeline
By
SANYA SHETTY
9 Oct 2018
0
0
396
Date:
apr 12, 1900
Now
~ 125 years ago
About & Feedback
Terms
Privacy
Library
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