Arthur Bonnicastle

Arthur Bonnicastle was an Osage politician who served as the 8th elected principal chief of the Osage Nation from 1920 to 1922. Born in the Osage Nation, Indian Territory, Bonnicastle attended the Carlisle Indian School before enlisting in the United States Army in 1900. He served in the 9th Cavalry Regiment during the Boxer Rebellion and was discharged in 1903. After returning home, he entered tribal politics and served on the Osage Nation tribal council from 1908 to 1910 and 1922 until his death in 1923.