Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

feb 23, 1922 - -Niels Bohr 1922 proposed an atomic structure theory that stated the outer orbit of an atom could hold more electrons than the inner orbit.

Added to timeline:

atom

24 Oct 2017

0

0

553

Date:

feb 23, 1922

Now

~ 104 years ago

Images:

Geo:

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

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

Secured with SSL