Halleck was severely wounded by U.S. troops at a skirmish at Fort King (in present day Ocala) in April 1840 against Capt. Gabriel J. Rains (a future Civil War Confederate General).
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Halleck, with a band of seventy warriors, was finally defeated by Federal troops on April 19, 1842, near the settlement of Peliklakaha Hammock (in today's Lake County, Florida), the last battle of the Second Seminole War in Florida.
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Halleck Tustenuggee (also spelled Halek Tustenuggee and Hallock Tustenuggee) (about 1807 – ?) was a 19th-century Seminole warchief.