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 Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

18 sept 199 año aC - Eratosthenes calculates the Earth's circumference

Descripción:

He calculated it to be 25,000 miles, which is very close to the real circumference.

Añadido al timeline:

Timeline Project

9 nov 2017

0

0

379

fecha:

18 sept 199 año aC

Ahora mismo

~ 2227 years ago

Fotos:

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

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

Secured with SSL