Have you heard of Nicaraguan Sign Language? When the Sandinista National Liberation Front came into power, they attempted to broaden literacy for all Nicaraguans, leading to the opening of a school for deaf children. However, this school taught “oralism”, meaning that the deaf children would have to lip read and verbalize their responses rather than using physical signals. This birthed a spontaneous new language created by young deaf people: Nicaraguan Sign Language. Read more here.