29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
231604
20214
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
feb 7, 1461 - Portugese monastic sign list created
Added to timeline:
5 Nov 2017
0
0
455
The Evolution of Sign Language
By: David Heineman
Date:
feb 7, 1461
Now
~ 563 years ago