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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Sign language is used by almost every deaf person as a means of communication (14 févr. 1721 – 14 févr. 2018)
Ajouté au bande de temps:
The Evolution of Sign Language
By
David Heineman
5 nov. 2017
0
0
624
Date:
14 févr. 1721
14 févr. 2018
~ 297 years
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