Plains Indian Sign Language
Sign languageWikipedia
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Search complete. 1 mention across 1 episode found for "Plains Indian Sign Language".
Sep 16, 2026
LizGUEST
Historically, it was used between groups of people who do not speak the same language.
ViviGUEST
One example is the Plains Indian Sign Language, which was commonly used in the 19th century North America.
ViviGUEST
This became a very common sign language for Native Americans.
LizGUEST
Eventually, a French system for spelling out words with your hand was developed.