Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

jan 1, 1909 - Robert Millikan He put a drop of oil and determined the charge based upon how much was required to keep it suspended. (1909)

Added to timeline:

Science Timeline

21 Sep 2017

0

0

646

Date:

jan 1, 1909

Now

~ 116 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