The Fetterman Fight occurred during Red Cloud's War as part of the broader conflict over the Bozeman Trail, which the United States Army sought to protect for travelers. The battle took place on December 21, 1866, near Fort Phil Kearny, Wyoming, where a U.S. military detachment was stationed. The engagement happened on Crow Indian land that had been guaranteed to the Crow by treaty with the U.S. government, though the Lakota, Cheyenne, and Arapaho had accepted this designation. The underlying tension centered on Native American resistance to U.S. military presence and control of the region.
The battle unfolded as a coordinated ambush orchestrated by a confederation of Lakota, Cheyenne, and Arapaho tribes. A group of ten warriors, including the notable Lakota leader Crazy Horse, acted as a lure to draw U.S. soldiers into a trap. Captain William J. Fetterman commanded a detachment of 81 men from Fort Phil Kearny who were drawn into the ambush. The Native American warriors executed their tactical plan successfully, resulting in the complete annihilation of Fetterman's force.
The outcome of the Fetterman Fight proved decisive for the Native American alliance. All 81 men under Fetterman's command were killed, marking a significant military victory for the Lakota and their allies. At the time of the battle, this represented the worst military disaster ever suffered by the U.S. Army on the Great Plains. Following their victory, the remaining U.S. forces withdrew from the area, demonstrating the immediate strategic consequences of the engagement. The Lakota alliance's success demonstrated the effectiveness of their coordinated resistance against U.S. military expansion in the region.
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.
U.S. Army: 81 killed; Native American casualties: unknown
Content adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.
Aubrey generates in-depth historical research for any location in the US, drawing on NRHP records, battlefield archives, census history and geological data to tell the full story of a place.