In 1990 Congress passed Pub.L.101-343 which authorized and requested the president to issue a proclamation designating the month of November 1990 as National American Indian Heritage Month. Congress chose the month of the November to recognize the American Indians as this month concluded the traditional harvest season.
President George H.W. Bush issued a proclamation in recognition of the rich history and culture of American Indian tribes in 1990. Since 1995 Presidents Clinton, George W. Bush, Obama and Trump have issued proclamations designating November as National Native American Heritage Month.
The month is a time to celebrate rich and diverse cultures, traditions, and histories and to acknowledge the important contributions of Native peoples.