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Civil War Soldiers - Mansfield

Mansfield, Joseph K. F., major-general, U.S. Army, was born in New Haven, Conn., Dec. 22, 1803. He was graduated at the United States military academy in 1822 and assigned to the engineer corps, being engaged from then until the Mexican war on various engineering works. In the Mexican war, in which he served as chief engineer under Gen. Taylor, he won the brevet of major for gallant and distinguished services in the defense of Fort Brown, which he had built ; that of lieutenant-colonel for conduct at Monterey, and that of colonol for services at Buena Vista. On May 23, 1853, he was appointed inspector-general of the army, with the rank of colonel, and on May 14, 1861, he was appointed brigadier-general of volunteers and placed in command of the Department of Washington. He fortified the city completely on every side, and on the return of Gen. Wool to Fortress Monroe he commanded successively Camp Hamilton, Newport News, and Suffolk, and engaged in the capture of Norfolk. In 1862 he served on the court of inquiry on the battle of Bull Run, in Washington, and on July 18, 1862, he was made major-general of U. S. volunteers and assigned to command the corps formerly under Gen. N. P. Banks. At the battle of Antietam, where he was at the head of his corps, he was mortally wounded early in the day while cheering on his troops in a charge, and he died on the battlefield, near Sharpsburg, Md., Sept. 18, 1862.

Source: The Union Army: A History of Military Affairs in the Loyal States 1861-1865, Volume 8 Biographical, 1908

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