ORDER OF BATTLE // August 7, 1864
Battle of the Badlands
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 3,200 estimated
United States of America
2,200
Medium-confidence figure
Hunkpapa
1,000
Medium-confidence figure
Battle context
The Battle of the Badlands was fought in August 1864 in Dakota Territory, in the area between present-day Medora and Sentinel Butte in western North Dakota. The engagement was an extension of the broader conflict ignited by the Dakota War of 1862, as U.S. forces sought to press operations against Lakota, Yanktonai, and Dakota tribes across the northern plains. General Alfred Sully led a force of approximately 2,200 troops against roughly 1,000 Hunkpapa and allied warriors. Sully's column successfully traversed the badlands terrain, meeting only moderate resistance, which demonstrated the U.S. Army's capacity to project force through difficult interior country and maintain operational momentum against Sioux bands in Dakota Territory.
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