The Battle of the Washita River occurred on November 27, 1868, as part of the broader conflict following the Medicine Lodge Treaty, which required the Southern Cheyenne and Arapaho to relocate from present-day Kansas and Colorado to a new reservation in Indian Territory. Lt. Col. George Armstrong Custer's 7th U.S. Cavalry attacked Black Kettle's Southern Cheyenne camp after scouts tracked an Indian raiding party that had struck white settlers. The Cheyenne camp represented the most isolated band within a major winter encampment along the Washita River that included numerous Native American tribal bands totaling thousands of people.
Custer's forces launched a direct assault on the village, with soldiers engaging not only warriors but also killing women and children. The attacking cavalry took many captives, whom they used as hostages and human shields during the engagement. Black Kettle and his people had been maintaining peaceful status and actively seeking peace at the time of the attack, making the assault particularly controversial from its inception.
The battle's historical significance has been contested since initial reports were filed. The number of Cheyenne killed in the attack has remained disputed throughout the years, reflecting disagreements over the scale and nature of the casualties inflicted. The engagement at the Washita Battlefield, now commemorated as the Washita Battlefield National Historic Site near Cheyenne, Oklahoma, stands as a contested moment in the history of Native American and U.S. military relations during the Indian Wars period.
The Indian Wars encompass more than three centuries of armed conflict between the United States government, American settlers, and Indigenous nations — from the Powhatan Wars of the 1620s through the final Plains campaigns of the late 19th century. The eastern conflicts — King Philip's War (1675–1676), the Tuscarora War (1711–1715), and the Creek and Seminole Wars — largely ended organized Indigenous resistance east of the Mississippi by the 1840s. On the Great Plains, the Sioux Wars (1854–1890), Red River War (1874–1875), and Nez Perce War (1877) followed the displacement wrought by the transcontinental railroad and the near-extinction of the American bison — an estimated 30 to 60 million animals reduced to fewer than 1,000 by 1890. The Ghost Dance religious movement and the massacre at Wounded Knee (December 29, 1890), in which US cavalry killed approximately 250 Lakota men, women, and children, marked the effective end of armed resistance. The Dawes Act (1887) allotted reservation land to individual families, opening millions of acres to white settlement and reducing Indigenous landholdings by about two-thirds over the following decades.
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