11th Regiment, Michigan Infantry (1st organization)
Organized at White Pigeon, Mich., and mustered in September 24, 1861. Left State for Bardstown, Ky., December 9, and duty there till March, 1862. Attached to Railroad Guard, Unattached, Dept of the Ohio, to September, 1862. 29th Brigade, 8th Division, Army of the Ohio, to November, 1862. 2nd Brigade, 2nd Division, Center 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 2nd Division, 14th Army Corps, Army of the Cumberland, to October, 1863. 2nd Brigade, 1st Division, 14th Army Corps, to September, 1864.

SERVICE.-Guard duty along Louisville & Nashville Railroad March to July, 1862. Operations against Morgan July 4-28. Paris, Ky., July 19. Action with Morgan at Gallatin, Tenn., August 13. Ordered to Nashville, Tenn., August, and duty there till December 26. Siege of Nashville September 12-November 7. Neeley's Bend, Cumberland River, October 5. Advance on Murfreesboro December 26-30. Battle of Stone¿s River December 26-30, 1862, and January 1-3, 1863. Duty at Murfreesboro till June. Middle Tennessee or Tullahoma Campaign June 23-July 7. Occupation of Middle Tennessee, and at Dechard, Ala., till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Davis Cross Roads near Dug Gap September 11. Battle of Chickamauga September 19-21. Rossville Gap September 21. Siege of Chattanooga, Tenn., September 24- November 23. Chattanooga-Ringgold Campaign November 23-27. Lookout Mountain November 24. Mission Ridge November 25. Pea Vine Valley and Graysville November 26. Outpost duty at Rossville till March 15, 1864. Atlanta (Ga.) Campaign May 1-August 27. Demonstrations on Rocky Faced Ridge May 8-11. Battle of Resaca May 14-15. Advance on Dallas May 18-25. Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church and Allatoona Hills May 25-June 5. Pickett's Mills May 27. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 11-14. Lost Mountain June 15-17. Assault on Kenesaw June 27. Ruff's Station July 4. Chattahoochie River July 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Utoy Creek August 5-7. Ordered to Chattanooga August 27. Pursuit of Wheeler to Huntsville, Ala., August 30-September 13. Moved to Michigan September 18-25. Mustered out September 30, 1864. Recruits formed into a detachment and transferred to 11th Regiment reorganized.

Regiment lost during service 5 Officers and 107 Enlisted men killed and mortally wounded and 2 Officers and 194 Enlisted men by disease. Total 308.

11th Regiment, Michigan Infantry (2nd organization)
Organized at Jackson, Mich., January 4 to February 26, 1865. Four Companies left State for Nashville, Tenn., March 4, 1865, and duty there till April 1, then ordered to Chattanooga, Tenn. Six Companies left State for Chattanooga, Tenn., April 1. Attached to 3rd Brigade, 2nd Separate Division, District of the Etowah, Dept. of the Cumberland, to July, 1865. 2nd Brigade, 4th Division, District of East Tennessee, Dept. of the Cumberland, to September, 1865. Regiment moved to East Tennessee April 23, 1865, and duty guarding Chattanooga & Knoxville Railroad with. Headquarters at Cleveland, Tenn., till July. Moved to Knoxville and duty there till August 3. Moved to Nashville, Tenn., August 3 and mustered out September 16, 1865.

Regiment lost during service 96 Enlisted men by disease.