sign language, n.Trivia

Nicaraguan sign language developed spontaneously in the 1970s and 1980s by deaf children who attended newly built schools for the deaf.

American sign language and British sign language are completely different languages.

sign language has different accents based on country, age, ethnicity and whether the person is deaf or not.

Black American Sign Language (BASL) is a dialect of American Sign Language (ASL) that diverged from ASL largely as a result of the segregation of schools in the American South.

Sign language has tongue twisters. They are called finger fumblers