Create a timeline

Public timelines

1 Jan 1924 Jahr - Audiometric testing begins in the United States; Great Britain initiates testing in 1928.

Zugefügt zum Band der Zeit:

History of special education

12 Aug 2019

0

0

2721

Datum:

1 Jan 1924 Jahr

Jetzt

~ 101 years ago

About & Feedback Vereinbarung Privatheit Bibliothek FAQ

Cabinet Get premium

Donate

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

Secured with SSL