bn:00786183n
Noun Concept
Categories: Education for the deaf
EN
history of sign language  History of the deaf  Sign langage
EN
The recorded history of sign language in Western societies starts in the 17th century, as a visual language or method of communication, although references to forms of communication using hand gestures date back as far as 5th century BC Greece. Wikipedia
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EN
The recorded history of sign language in Western societies starts in the 17th century, as a visual language or method of communication, although references to forms of communication using hand gestures date back as far as 5th century BC Greece. Wikipedia
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