Harper's Encyclopedia of United States History
Benson Lossing, Ed.

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Seymour, Truman 1824-1891

Military officer; born in Burlington, Vt., Sept. 24, 1824; graduated at West Point in 1846; served in the war against Mexico, and also in the Florida war (1856-58); and became captain of artillery in 1860. He was in Fort Sumter during its siege in 1861; joined the Army of the Potomac in March, 1862; and was made chief of artillery of McCall's division. Late in April of that year he was made brigadier-general, and commanded a brigade in the Peninsular campaign. He led a brigade in the battles at Groveton, South Mountain, and Antietam, and commanded a division in the assault on Fort Wagner, where he was severely wounded (July 18, 1863). In February, 1864, he commanded an expedition to Florida, and fought a battle at Olustee. He commanded divisions at the beginning of the Richmond campaign of 1864, and in the Shenandoah Valley the same year. He was in the Richmond campaign from December, 1864, to the surrender of Lee at Appomattox, and was brevetted majorgeneral, United States army, “for services during the Rebellion.” He was retired in 1876. He died in Florence, Italy, Oct. 30, 1891.