Create a timeline

Public timelines

1 janv. 1920 - Americans begin to officially use the term mental retardation.

Ajouté au bande de temps:

History of special education

12 août 2019

0

0

2721

Date:

1 janv. 1920

Maintenaint

~ Il y a 105 ans

About & Feedback Un accord Confidentialité Bibliothèque FAQ

Cabinet Get premium

Donate

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

Secured with SSL