Sign language was invented in ancient Greece.
1. Sign language was invented in ancient Greece.
2. Abbe Charles Michel L'Épée created a school for people who couldn't hear.
3. BSL and ASL are sign languages.
4. Sign languages have different grammar but similar vocabulary to spoken language.
5. Deaf people from the USA and the UK find it difficult to communicate with each other.
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6. Deaf people in South Africa speak 11 different sign languages.
7. Gestuno is a sign language that was created for the Olympics.