Sand Creek Massacre

The Sand Creek Massacre occurred in 1864 when a U.S. militia attack killed around 150-200 Cheyenne and Arapaho people, mostly women, children, and elders, at a Colorado camp. The attack was triggered by tensions over land disputes and broken treaties, with the militia believing they were retaliating against Native resistance. Despite the Cheyenne largely trying to peacefully surrender and establish negotiations, the attack was brutal and unprovoked, leading to widespread outrage. It remains a dark chapter in American history, symbolizing the violent and unjust treatment of Native American tribes during westward expansion.