Who is the invent of Sign Language?

[PinkyZebra]

The invention of Sign Language in 1593. This is a Timeline game card. Do you have a Timeline games with tin box?

 

[authentic]

I am sure deaf cavemans in pre-historic era use sign language to communicate. No one KNOWS who invented Sign Language.

 

[PinkyZebra]

You can check the link. Deaf Timelines - History & Heritage