Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Obtener premium

Create a timeline

Public timelines

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

31 dic 1919 año - Trabaja en el laboratorio de Alfred Binet. Estandariza pruebas de inteligencia.

Añadido al timeline:

Jean Piaget

14 oct 2018

0

0

516

fecha:

31 dic 1919 año

Ahora mismo

~ 105 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