Where was the sand creek and what occurred there

"The Sand Creek Massacre (also known as the Chivington Massacre, the Battle of Sand Creek or the Massacre ofCheyenne Indians) was a massacre in the American Indian Wars that occurred on November 29, 1864, when a 675-man force of Colorado U.S. Volunteer Cavalry under the command of U.S. Army Colonel John Chivington."

Ithink the answer is a i’m just trying to others

This sentence is true.