18th Illinois Infantry  Regimental History

Organized at Aurora, Ill., and mustered into State service May 19, and into
U.S. service May 28, 1861.
Moved to Bird's Point, Mo., June 24, and duty there till August 26. Moved
to Mound City August 26, and duty there till October 5. Moved to Cairo,
Ill., October 5, and duty there till February 1862. Attached to District of
Cairo, to October 1861. 1st Brigade, District of Cairo, to February 1862.
1st Brigade, 1st Division, District of Cairo, February 1862. 2nd Brigade,
1st Division, District of West Tenn., March 1862. 1st Brigade, 1st Division,
1st District, West Tenn., and Army of the Tennessee, to July 1862. 1st
Brigade, 1st Division, District of Jackson, Tenn., to September 1862. 2nd
Brigade, 1st Division, District of Jackson, to November 1862. District of
Jackson, 13th Army Corps (Old), Dept. of the Tennessee, to December 1862.
1st Brigade, District of Jackson, 16th Army Corps, to March 1863. 2nd
Brigade, 3rd Division, 16th Army Corps, to May 1863. 2nd Brigade, Kimball's
Provisional Division, 16th Army Corps, to July 1863. 2nd Brigade, Kimball's
Provisional Division, District of Eastern Ark., to August 1863. 1st Brigade,
2nd Division, Arkansas Expedition, to November 1863. 3rd Brigade, 2nd
Division, Arkansas Expedition, to January 1864. 3rd Brigade, 2nd Division,
7th Army Corps, Dept. of Arkansas, to April 1864. Post Pine Bluff, Ark., 7th
Army Corps, to May 1864. 1st Brigade, 2nd Division, 7th Army Corps, to
January 1865. Pontoneers, 7th Army Corps, to May 1865. 1st Brigade, 1st
Division, 7th Army Corps, to August 1865. Dept. of Arkansas, to December 1865.

SERVICE - Expedition against Thompson's forces at Bloomfield, Mo., November
2-12, 1861. Expedition toward Columbus January 16-21, 1862.  Operations
against Fort Henry, Tenn., February 2-8. Capture of Fort Henry February 6.
Investment and capture of Fort Donelson February 12-16. Moved to Pittsburg
Landing, Tenn., March 11-23. Battle of Shiloh, Tenn., April 6-7. Advance on
and siege of Corinth, Miss., April 29-May 30. Moved to Bethel June 4-6,
thence to Jackson June 15, and duty there till May 30, 1863. Expedition to
Bolivar and Brownville July 27-August 13, 1862. Grant's Central Mississippi
Campaign October 31, 1862, to January 10, 1863. (Co. "K" left Regiment,
December 11, 1862, to join Miss. Marine Brigade.) Operations against Forest,
in West Tennessee December 18, 1862, to January 3, 1863. Clarksburg, Tenn.,
December 30, 1862 (Cos. "A" and "E"). Engagement at Red Mound, Parker's
Cross Roads, December 30-31 (Detachment).
Near Clifton, January 3, 1863.
Expedition to Huntington March 4-10. Scout to Trenton March 16-18.
Expedition to Covington, Tenn., April 1-10, and to Summerville April 11-16.
Moved to Vicksburg, Miss., May 30-June 2. Siege of Vicksburg, Miss., June
4-July 4. Occupation of Hickman, Ky., July 15-16 (Co. "K"). Moved to Helena,
Ark., July 24-27. Steele's Expedition against Little Rock, Ark.,  August
1-September 10. Bayou Fourche and capture of Little Rock September 10. Duty
at Little Rock, Pine Bluff and Duvall's Bluff, Ark., till December 1865.
Expedition from Pine Bluff to Mt. Elba and Longview March 27-31, 1864.
Actions at Mt. Elba March 28 and 30.

Non-Veterans mustered out May 28, 1864. Regiment mustered out at Little Rock,
Ark., December 16, and discharged at Camp Butler, Ill., December 31, 1865.

Regiment lost during service 6 Officers and 99 Enlisted Men killed and
mortally wounded and 7 Officers and 282 Enlisted men by disease. Total 394.

Source - "A Compendium of the War of the Rebellion"
by Frederick H. Dyer
Copyright, 1908

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