|At the outbreak of the Civil War, Stevens was commissioned as a Colonel of the 79th New York, known as the “Highlanders.” He was promoted to Brigadier General on September 28, 1861, and led troops during the Port Royal Expedition. He led a division during the Battle of Secessionville, but after suffering heavy casualties, was transferred to Virginia. He took command of the IX Corps, and led them during the Second Battle of Manassas. On September 1, 1862, Isaac Stevens was killed instantly while leading his men at the Battle of Chantilly.
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