title: American Sign Language
context: ASL emerged as a language in the American School for the Deaf (ASD), founded in 1817.[7]:7 This school brought together Old French Sign Language, various village sign languages, and home sign systems; ASL was created in this situation of language contact.[8]:11[nb 1] ASL was influenced by its forerunners but distinct from all of them.[7]:7
question: When did American Sign Language develop?
answers: 1817