12th Michigan Infantry

== Regimental History and Service Record ==
Organized at Niles, Dowagiac and Buchanan, Mich., December 9, 1861, to March 1, 1862. Mustered in March 5, 1862. Left State for St. Louis, Mo., March 5, thence moved to Pittsburg Landing, Tenn. Attached to 1st Brigade, 6th Division, Army of the Tennessee, April, 1862. 1st Brigade, 1st Division, Army Tennessee, to July, 1862. 1st Brigade, 1st Division, District of Jackson, Tenn., to November, 1862. Unattached, District of Jackson, 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. Post of Bolivar, District of Jackson, 16th Army Corps, to March, 1863. 1st Brigade, 3rd Division, 16th Army Corps, to May, 1863. 1st Brigade, Kimball's Provisional Division, 13th Army Corps, to July, 1863. 1st Brigade, Kimball's Provisional Division, District of Eastern Arkansas, to August, 1863. 1st Brigade, 2nd Division, Arkansas Expedition, to November, 1863. 3rd Brigade, 2nd Division, Army of Arkansas, to January, 1864. 3rd Brigade, 2nd Division, 7th Army Corps, Dept. of Arkansas, to May, 1864. 1st Brigade, 2nd Division, 7th Army Corps, to July, 1865. Dept. of Arkansas to February, 1866.
SERVICE.--
* April 6-7, 1862 - Battle of Shiloh, Tennessee
Advance on and siege of Corinth, Miss., April 29-May 30. Pursuit to Booneville June 1-6. Moved to Bethel June 5, thence to Jackson, Tenn., June 13, and duty there until August. At Bolivar until November. Guard duty along Mississippi Central Railroad from Hickory Valley to near Bolivar with Headquarters at Middleburg, Tenn., until May, 1863. Action at Middleburg December 24, 1862. Regiment complimented by General Grant in General Order No. 3 for gallant and efficient services on successfully defending their post against a force of 3,000 Confederates under Van Dorn. Moved to Memphis, Tenn., thence to Vicksburg, Miss., May 31-June 3, 1863. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
** July 4, 1863 - Surrender of Vicksburg, Mississippi
Moved to Helena, Ark., July 25-27, thence to Clarendon August 13, and to Duvall's Bluff August 22. Steele's Expedition to Little Rock September 1-10. Engagement at Bayou Fourche and capture of Little Rock September 10. Duty at Little Rock until January 14, 1864. Veterans on furlough until February 21. March to Pine Bluff April 26-28. Train guard to Steele's army until April 30. Duty at Little Rock until June 22. Operations against Shelby north of the Arkansas River May 13-31. Expedition to Clarendon June 25-29. Clarendon June 25-26. Duty at Duvall's Bluff until August 30. Expedition in pursuit of Shelby August 27-September 6. Gregory's Landing, White River, September 4. Duty at Duvall's Bluff, guarding railroad, provost and fatigue duty until June 6, 1865. Hazen's Farm near Duvall's Bluff November 2, 1864 (Detachment). Moved to Little Rock June 6, thence march to Washington June 13-22, Guard public property at several points by detachments, with Headquarters at Camden until January 28, 1866. Companies "A," "B," "C" and "F" march from Washington to Camden July 8-22, 1865. Company "E" to Arkadelphia July 19-22, 1865. Companies "H" and "K" to Camden September 26, 1865, and Companies "D," "G" and "I" to Camden November 1, 1865. Company "F" assigned to duty at Paraclifta September 30. Regiment assembled at Camden and mustered out February 15, 1866.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 1 Officer and 52 Enlisted men killed and mortally wounded and 3 Officers and 372 Enlisted men by disease. Total 428.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 779, 846, 1286-1287)
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