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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Sign language and its alphabet are standardized to what they are today, where every word in English could be said in sign language (15 июн 1720 г. – 15 июн 2018 г.)
Добавлено на ленту времени:
The Evolution of Sign Language
By
David Heineman
5 ноя 2017
0
0
636
Дата:
15 июн 1720 г.
15 июн 2018 г.
~ 298 years
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