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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 feb 1721 año – 14 feb 2018 año)
Añadido al timeline:
The Evolution of Sign Language
By
David Heineman
5 nov 2017
0
0
626
fecha:
14 feb 1721 año
14 feb 2018 año
~ 297 years
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