Reasons:
- It is spoken by more than 2.3 million people in Brazil.
- There are more than 300 different sign languages worldwide.
- It has been legally recognized as a means of communication and expression since April 24, 2002, under Law No. 10,436 (Brazil).
- Fun fact: Brazilian Sign Language dates back to the 19th century, with the creation of the National Institute of Education for the Deaf, and it is a blend of French Sign Language and gestures used by Brazilian deaf communities.
