American Sign Language (ASL) is used by up to 500,000 people in the US to communicate, and ASL users can often understand basic concepts in French Sign Language even without knowing French. Sign language was created by Pierre Desloges in France and then brought to America by teachers from France to introduce the concept.

1. As many as 500,000
people in the U.S.
communicate using
ASL (American Sign
Language).
A person using ASL
has a good chance
of being able to
communicate with a
person using French
Sign Language even if they don't
speak French!
Sign language was
found by Pierre
Desloges. It was
started in France,
and teacher from
France came to
America to introduce
sign language.