You can read more at the following link(although many of us don't care for the antiquated and misnomered title of "Indian," the article is good reading.
More of the story can be read at the following link.
https://indiancountrymedianetwork.com/history/events/history-of-native-american-heritage-month/
We Are Still Here.
btw, my relation is with the Muskogee - Alabama people although nowadays many of us are mixed with anglo/celt, african, and/or european.