Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

sep 21, 1922 - NIELS BOHR MAX PLANCK ALBERT EINSTEIN Suggested that the atom had several energy levels

Added to timeline:

The atomic theory

8 Nov 2017

0

0

406

Date:

sep 21, 1922

Now

~ 103 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL