84th Illinois Infantry

== Regimental History and Service Record ==
* Organized at Quincy, Ill., and 
* Mustered in September 1, 1862. 
Left State for Louisville, Ky., September 23. Attached to 10th Brigade, 4th Division, 2nd Army Corps, Army of the Ohio, to November, 1862. 3rd Brigade, 2nd Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 3rd Brigade, 2nd Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 1st Division, 4th Army Corps, to May, 1865. 2nd Brigade, 1st Division, 4th Army Corps, to June, 1865.
SERVICE.--Pursuit of Bragg into Kentucky October 1-16, 1862. 
* October 8, 1862 - Battle of Perryville, Kentucky 
* October 10-22, 1862 - Pursuit from Perryville to London, Kentucky
March to Nashville, Tenn., October 22-November 7. Duty at Nashville until December 26. Advance on Murfreesboro, Tenn., December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. At Murfreesboro until June. Woodbury January 24. Middle Tennessee (or Tullahoma) Campaign June 24-July 7. Occupation of Middle Tennessee until August 16. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** Reconnaissance from Rossville September 17. 
** Ringgold, Ga., September 17. 
** September 19-September 20, 1863 - Battle of Chickamauga, Georgia
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Lookout Mountain November 23-24.
** Mission Ridge November 25.
** Pursuit to Ringgold, Ga., November 26-27.
** Ringgold Gap, Taylor's Ridge, November 27. 
March to relief of Knoxville November 28-December 17. At Whiteside, Tyner's Station and Blue Springs until May, 1864. Demonstration on Dalton, Ga., February 22-27, 1864. Near Dalton February 23. Tunnel Hill, Buzzard's Roost Gap, and Rocky Faced Ridge February 23-25. 
* May 1-September 8, 1864 - The Atlanta Campaign
** Tunnel Hill May 6-7. 
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
** May 9-13, 1864 - Demonstration on Dalton, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Kingston May 18-19. 
** Near Cassville May 19. 
** Advance on Dallas May 22-25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** 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, Smyrna Camp Ground, July 4. 
** Chattahoochie River July 5-17. 
** Peach Tree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** 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. 
Nashville Campaign November-December. Columbia, Duck River, November 24-27. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Moved to Huntsville, Ala., and duty there until March, 1865. Expedition to Bull's Gap and operations in East Tennessee March 15-April 22. Moved to Nashville, Tenn., and duty there until June. Mustered out at Nashville, Tenn., June 8, and discharged June 16, 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 ==
Source 	Casualties	Remarks
Dyer 	
* 4 Officers and 120 enlisted men killed and mortally wounded 
* 1 Officer and 144 enlisted men killed by disease
* Total 269	None
Fox 	
* Fox lists this unit as:
** 87th on the list of units with losses based on duration of the entire term of service of the unit (7th of the Illinois troops)	
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 701, 703, 704, 705, 707, 715, 733, 860, 862, 866, 904, 1082)
* (Page 10)
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