15th Michigan Infantry

== Regimental History and Service Record ==
Organized at Detroit, Monroe and Grand Rapids, Mich., October 16, 1861, to March 13, 1862. Mustered in March 20, 1862. Moved to Benton Barracks, Mo., thence to Pittsburg Landing, Tenn., March 27-April 5. Attached to 2nd Brigade, 6th Division, Army of the Tennessee, to July, 1862. 2nd Brigade, 6th Division, District of Corinth, Miss., to November, 1862. 2nd Brigade, 6th Division, Left Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. Unattached, 1st Division, 17th Army Corps, to January, 1863. Unattached, 1st Division, 16th Army Corps, to June, 1863. 2nd Brigade, 1st Division, 16th Army Corps, to July, 1863. 2nd Brigade, 4th Division, 15th Army Corps, to January, 1864. Unattached, 4th Division, 15th Army Corps, to April, 1864. 3rd Brigade, 4th Division, 15th Army Corps, to August, 1864. 1st Brigade, 1st Division, 15th Army Corps, to September, 1864. 3rd Brigade, 2nd Division, 15th Army Corps, to August, 1865.
SERVICE.--
* April 6-7, 1862 - Battle of Shiloh, Tennessee
Advance on and siege of Corinth, Miss., April 29-May 30. Duty at Corinth until July 18. Moved to Bolivar, Tenn., July 18, and duty there until August 16, then moved to Corinth, Miss. Battle of Corinth, Miss., October 3-4. Pursuit to Ripley October 5-12. Garrison and provost duty at Grand Junction and LaGrange November 19, 1862, to June 5, 1863. Ordered to Vicksburg, Miss., June 5. 
* June 11-July 4, 1863 - Siege of Vicksburg, MississippiNot originally referenced on Dyer summary, but listed on unit homepage 
* Advance on Jackson, Miss., July 4-10. 
* Siege of Jackson July 10-17. 
* Camp at Big Black until September. 
* September 26-November 20, 1863 - Expedition from Vicksburg, Mississippi to Chattanooga, Tennessee
Operations on Memphis & Charleston Railroad in Alabama October 20-29. Chattanooga-Ringgold Campaign November 23-27. March to relief of Knoxville November 28-December 8. At Scottsboro, Ala., until February, 1864. Expedition toward Rome, Ga., January 25-February 5, 1864. Veterans on furlough until April. Action at Guntersville, Ala., March 2 (Non-Veterans). 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-13, 1864 - Demonstration on Resaca, Georgia
*** May 13, 1864 - Combat at Resaca, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Advance on Dallas May 18-25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Brush Mountain June 15. 
** Assault on Kenesaw June 27. 
** NickaJack Creek July 2-5. 
** Chattahoochie River July 5-17. 
** July 22, 1864 - Battle of Atlanta, Georgia
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Ezra Chapel, Hood's second sortie, July 28. 
** Flank movement on Jonesboro August 25-30. 
** Battle of Jonesboro August 31-September 1. 
** Lovejoy Station September 2-6. 
* Operations against Hood in North Georgia and North Alabama September 29-November 3. 
* Reconnoissance from Rome on Cave Springs Road and skirmishes October 12-13. 
* November 15-December 21, 1864 - The Savannah Campaign
** Clinton November 21-23. 
** Near Bryan's Court House December 8. 
** December 10-21, 1864 - Siege of Savannah, Georgia
*** Fort McAllister December 13. 
* January 1-April 26, 1865 - The Carolinas Campaign
** Salkehatchie Swamps, S.C., February 2-5. 
** North Edisto River February 12-13. 
** Columbia February 16-17. 
** Battle of Bentonville, N. C., March 19-21. 
** Occupation of Goldsboro March 24. 
** Advance on Raleigh April 10-14. 
** Occupation of Raleigh April 14. 
** Bennett's House April 26. 
*** Surrender of Johnston and his army. 
* March to Washington, D.C., via Richmond, Va., April 29-May 20. 
* Grand Review May 24. 
* Moved to Louisville, Ky., June 1-6, thence moved to Little Rock, Ark., June 28, and duty there until August 13. 
* Mustered out August 18, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 3 Officers and 60 Enlisted men killed and mortally wounded and 4 Officers and 268 Enlisted men by disease. Total 335.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 721, 723, 783, 834, 846, 1288)
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