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American Indians and Alaska Natives

1. US:   Intertribal Deaf Council (IDC)

2. US: Smithsonian’s National Museum of the American Indian (founded September 21, 2004)

3. US:  November is National American Indian Heritage Month.
The first American Indian Day was celebrated in May 1916 in New York. In 1990, President George H.W. Bush signed a joint congressional resolution designating November 1990 as "National American Indian Heritage Month." Similar proclamations have been issued every year since 1994. 
Source: U.S. Dept. of the Interior, Bureau of Indian Affairs