99th Indiana Infantry

== Regimental History and Service Record ==
Organized at South Bend, Ind., and mustered in October 21, 1862. Ordered to Louisville, Ky., thence to Memphis, Tenn. Attached to District of Louisville, Ky., Dept. Ohio, to November, 1862. 3rd Brigade, District of Memphis, Tenn., 13th Army Corps (Old), Dept. of the Tennessee, November, 1862. 2nd Brigade, 1st Division, District of Memphis, Tenn., 13th Army Corps, to December, 1862. 2nd Brigade, 1st Division, 17th Army Corps, to January, 1863. 2nd Brigade, 1st Division, 16th Army Corps, to March, 1863. 3rd Brigade, 1st Division, 16th Army Corps, to July, 1863. 3rd Brigade, 4th Division, 15th Army Corps, to August, 1864. 1st Brigade 4th Division 15th Army Corps, to September, 1864. 3rd Brigade, 2nd Division, 15th Army Corps, to June, 1865.
SERVICE.--Grant's Central Mississippi Campaign November 26, 1862, to January 10, 1863. Duty along Memphis & Charleston Railroad until June, 1863. Ordered to Vicksburg, Miss., June 9. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
* Advance on Jackson, Miss., July 4-10. 
* Bolton's Ferry, Big Black River, July 4-6. 
* Siege of Jackson July 10-17. 
* Camp at Big Black until September 26. 
* September 26-November 20, 1863 - Expedition from Vicksburg, Mississippi to Chattanooga, Tennessee
* Operations on Memphis & Charleston Railroad in Alabama October 20-29. 
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Tunnel Hill November 23-25. 
** Mission Ridge November 25. 
* March to relief of Knoxville November 27-December 8. 
* At Scottsboro, Ala., December 17, 1863, to May, 1864. 
* Demonstration on Dalton, Ga., February 22-27, 1864. 
* Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge, February 23-25. 
* 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
** Movements 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. 
** Brushy Mountain June 15. 
** Assault on Kenesaw Mountain June 27. 
** Nickajack Creek July 2-5. 
** Ruff's Mills July 3-4. 
** Chattahoochie River July 5-17. 
** Nickajack Creek July 6-8, and July 9-10. 
** Battle of Atlanta July 22. 
** 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. 
* Reconnaissance from Rome, Ga., on Cave Springs Road and skirmishes October 12-13. 
* November 15-December 21, 1864 - The Savannah Campaign
** Near Statesboro December 4. 
** December 10-21, 1864 - Siege of Savannah, Georgia
*** Fort McAllister December 13. 
* January 1-April 26, 1865 - The Carolinas Campaign
** Columbia, S.C., February 15-17. 
** 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. 
* Mustered out June 6, 1865.
== Regimental Roster ==
 
 
 Field and Staff Officers
 
 
 Regimental Band
 
 
 Company A
 
 
 Company B
 
 
 Company C
 
 
 Company D
 
 
 Company E
 
 
 Company F
 
 
 Company G
 
 
 Company H
 
 
 Company I
 
 
 Company K
 
 
 Unassigned
 
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== Regiment Statistical Information ==
* Regiment lost during service 45 Enlisted men killed and mortally wounded and 5 Officers and 147 Enlisted men by disease. Total 197.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 721, 722, 779, 783, 834, 866, 1152-1153)
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