English and American Sign Language
The English language was adopted as the official language of the state of Indiana in 1984. All official state languages
In 1995, Indiana recognized American sign language "as a standard, independent language with its own grammar, syntax, vocabulary, and cultural heritage, which is widely used by individuals who hear, individuals who are deaf, and individuals who are hard of hearing in Indiana and in the United States."
American sign language is also a symbol of Maine.