Henry Atkinson (soldier)

Henry Atkinson
Died	Jefferson Barracks, Missouri
Allegiance	United States
Service/branch	United States Army
Years of service	1808 - 1842
Spouse(s)	Mary Ann Bullitt

Henry Atkinson (1782 – June 14, 1842) was a United States army officer. He was a native of Person County, North Carolina.

He entered the United States Army in 1808 as a captain in the infantry, serving at various outposts on the Western frontier. He moved to New York and was promoted to colonel in the Regular Army, seeing considerable action during the War of 1812. He commanded the 6th U.S. Infantry from 1815 until his death.

After the war, Atkinson led two expeditions to the Yellowstone River in 1819 and 1825. Appointed Commissioner together with Indian agent Benjamin O'Fallon and with a military escort of 476 men, General Atkinson and his fellow commissioner left Fort Atkinson on May 16, 1825, and ascending the Missouri, negotiated treaties of friendship and trade with tribes of the upper Missouri, including the Arikara, the Cheyenne, the Crow, the Mandan, the Ponca, and several bands of the Sioux. At that time, there was still rivalry with British traders on the upper Missouri.

The treaties acknowledged that the tribes lived within the United States, vowed perpetual friendship, and recognized the right of the United States to regulate trade, promising to deal only with licensed traders. The tribes agreed to forswear private retaliation for injuries and to return or indemnify the owner of stolen horses or other goods. Efforts to contact the Blackfoot and the Assiniboine were unsuccessful. Returning to Fort Atkinson at the "Council Bluff" in Nebraska, successful negotiations were had with the Otoe, the Pawnee and the Omaha.

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