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12th Illinois Infantry (3 years)
in the American Civil War

Online Books:
12th Illinois Infantry (3 years) Soldier Roster - Report of the Adjutant General of the State of Illinois, Volume 1, Revised by Brigadier General J.N. Reece, Adjutant General, 1900       View Entire Book

Regimental History
Twelfth Illinois Infantry. Cols., John McArthur, Augustus L. Chetlain ; Lieut. -Cols., Augustus L. Chetlain, Arthur C. Ducat, Henry Van Sellar; Majs., William D. Williams, Arthur C. Ducat, James R. Hugunin, Wheelock S. Merriman. The 12th infantry was mustered into the U. S. service for three years on Aug. 1, 1861. The regiment remained at Cairo, where it was organized, until Sept. 5, 1861, when with the 9th Ill. infantry it moved up to and occupied Paducah, being the first Union troops there. Four companies of the 12th occupied Smithland, Ky., until Jan. 25, 1862, and were engaged in the demonstration against Columbus, 46 miles from Paducah, during the Belmont battle. The regiment endured the cold, snow, hunger and fatigue of the movement against Fort Donelson, forming with the 9th and 41st Ill. McArthur's brigade, which suffered so terribly, but fought so nobly on Feb. 15. The loss of the regiment in that engagement was 19 killed, 58 wounded and 10 missing. It took part in the terrible battle of Shiloh, being engaged nearly all of the two days, with a loss of 109 killed and wounded and 7 missing. It moved with the army on Corinth and was engaged in the siege of that place, doing its share of picket and fatigue duty, extending saps, etc. After the evacuation the regiment was sent with Gen. Pope in pursuit of the enemy. It was engaged in the battle of Corinth the following October and took a very conspicuous and brilliant part. Supported by a small part of the 50th and 52nd Ill. infantry it drove the enemy from the works, captured a stand of colors, and turned the guns of a captured battery upon the enemy. The division of which it was a part lost more than half of the men that were lost during the day, the regiment losing 17 killed, 80 wounded, and 15 missing. In April, 1863, the enemy attacked Glendale, an outpost 12 miles from Corinth, and the regiment 225 strong, was ordered as reinforcement, but the attack was repulsed before it reached the field and it returned to Corinth. On Jan. 16, 1864, the members of the regiment reenlisted as veterans and two days later started for Camp Butler, Ill., on a 30-day furlough. Returning to the field, the regiment started on the Atlanta campaign early in May, and from that time till the fall of Atlanta was actively engaged. In October it was in the battle of Allatoona, losing 57 in killed and wounded out of 161 muskets taken into action. On Nov. 11 it left Rome, Ga., and started on the "march to the sea," passing through Kingston, Cartersville, Cassville, Allatoona, Acworth, Big Shanty and Marietta, arriving at Atlanta Nov. 15. The next day it resumed the march through Jonesboro, McDonough and Jackson, crossed the Ocmulgee river at Seven Islands cotton factory, then passed through Monticello, Hillsboro and Clinton, having 1 man captured at the latter place by Wheeler's cavalry, and encamped near Gordon on the 24th. On the 25th it passed through Irwinton, crossed the Oconee river, where some opposition was offered by the enemy, on via Irwin's cross-roads, Wrightsville, the head waters of the Ohoopee river, through Summerville, camping on Scull's creek, 4 miles from Millen, on Dec. 2. It marched to the Ogeechee canal on the 9th and found the enemy in force 4 miles from the canal, but he was soon flanked out of his position, leaving a "Blakesley gun" of English manufacture in possession of the regiment. It participated in the Carolina campaign and was engaged in the battle of Bentonville, losing 2 men wounded, and on March 22, moved into the enemy's works. After the surrender of Johnston it marched up through Virginia, passed in the grand review at Washington, and was mustered out at Louisville, Ky., July 10, 1865.

Regimental history taken from "The Union Army" by Federal Publishing Company, 1908 - Volume 3

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