Truth at Fort Lyon
In September 1864, Cheyenne and Arapaho leaders met U.S. officials at Camp Weld
(near Denver). Weeks later, on November 29, 1864, Colonel
John M. Chivington's command—mostly men of the Third Colorado Cavalry and
attached First Colorado companies, roughly 675 mounted troops—struck a village
of Southern Cheyenne and Arapaho people camped on Big Sandy Creek, a tributary
of the Arkansas. Chief Black Kettle's band had been directed toward
Fort Lyon and flew a U.S. flag and a white peace flag; the assault was widely condemned as a
massacre of non-combatants, not a battle of two armies.
James P. Beckwourth served as guide and interpreter on the expedition. In
February 1865, a U.S. military commission convened at Denver
(presided over by Lieutenant Colonel Samuel F. Tappan) to take sworn testimony
about Sand Creek. The printed record spells the witness "James P. Beckwith"
—a compositor's variant of his surname. The transcript preserves direct examination,
Colonel Chivington's objections and cross-examination, and the board's rulings on what
could be entered as evidence.
Congress also acted: the Joint Committee on the Conduct of the War issued a
January 1865 report on the "Massacre of Cheyenne Indians," and in
February 1867 the Secretary of War transmitted the full Denver and Fort Lyon
depositions to the Senate as a printed Senate Executive Document—part of the
government's own record of what happened.
Officers who refused the attack—Captain Silas Soule and Lieutenant
Joseph Cramer—ordered their men not to fire; Soule was murdered in Denver in
April 1865, a killing many contemporaries tied to political reaction to his
testimony.