Major American Indian language family of the USA and Canada. Its branches include the Caddoan and Siouan languages of the Great Plains, and the Iroquoian languages of the northeast.
Blue expresses patriotism and noble ideas. Red denotes bravery. White symbolizes peace and purity. The stars stand for the three island groups: Luzon, the Visayan, and Mindanao. Effective date: 25 March 1936.