When Was the Sign Language for Deaf-mutes Invented?
When Was the Sign Language for Deaf-mutes Invented? One of the earliest written records of a sign language is from the fifth century BC, in Plato’s Cratylus,...
Read MoreWhen Was the Sign Language for Deaf-mutes Invented? One of the earliest written records of a sign language is from the fifth century BC, in Plato’s Cratylus,...
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