The Grattan Fight of 19 August 1854 was the opening engagement of what historians call the First Sioux War. Lt. Grattan led 29 soldiers into the Brulé camp to arrest a warrior for killing an emigrant's cow. When negotiations failed, Grattan opened fire, mortally wounding Chief Conquering Bear. The Sioux returned fire and annihilated the entire command. The incident — occurring on the emigrant trail in present-day Wyoming near Fort Laramie — triggered the Army's 1855 punitive expedition that resulted in the Battle of Ash Hollow.
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.
29 US soldiers killed; Conquering Bear mortally wounded
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