I looked into the life of Buffalo Calf Road .  She was and still is a pivotal member of the Cheyenne tribe.  She made her tribe members swear an oath of silence for 100 years, and just as recent as 2005 her story has come to light.  Thank you Angela C. for the recommendation!

Music by Sophia Mendoza

Artwork by Jon Towers 

All information is from Wikipedia, The League of Extraordinary Ladies: Buffalo Calf Road Woman: Custer's Killer, Amazing Women In History: Buffalo Calf Road Warrior Woman