85th Illinois Infantry

== Regimental History and Service Record ==
Organized at Peoria, Ill., and mustered in August 27, 1862. Moved to Louisville, Ky., September 6, 1862. Attached to 36th Brigade, 11th Division, Army of the Ohio, to October, 1862. 36th Brigade, 11th Division, 3rd Army Corps, Army of the Ohio, to November, 1862. 2nd Brigade, 4th Division, Centre 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 4th Division, 14th Army Corps, Army of the Cumberland, to June, 1863. 2nd Brigade, 2nd Division, Reserve Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 2nd Division, 14th Army Corps, Army of the Cumberland and Army of Georgia, to June, 1865.
SERVICE.--Pursuit of Bragg into Kentucky October 1-16, 1862. 
* October 8, 1862 - Battle of Perryville, Kentucky 
March to Nashville, Tenn., October 16-November 7. Post duty at Nashville until March, 1863. Conduct ammunition trains to Army of the Cumberland at Stone's River December 28, 1862-January 2, 1863. Battle of Stone's River January 3, 1863. Expedition to Franklin March 9. At Brentwood until June 5, and at Murfreesboro until July 15. At Nashville, Tenn., until August 20. 
* August 16-September 22, 1863 - The Chickamauga CampaignNot originally referenced on unit homepage
** March to Bridgeport, Ala., via Franklin, Columbia, Athens and Huntsville August 20-September 14.
** 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
** Orchard Knob November 23.
** Tunnel Hill November 24-25.
** Mission Ridge November 25.
** Pursuit to Graysville November 26-27.
* March to relief of Knoxville, Tenn., November 28-December 18.
* At North Chickamauga and McAffee's Church, Ga., until 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
** Tunnel Hill May 6-7. 
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Rome May 17-18. 
** 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
** Utoy Creek August 5-7. 
** Flank movement on Jonesboro August 25-30. 
** Battle of Jonesboro August 31-September 1. 
** LoveJoy Station September 2-6. 
* Operations in North Georgia and North Alabama against Hood and Forest September 29-November 3. 
* November 15-December 21, 1864 - The Savannah Campaign
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Averysboro, Taylor's Hole Creek, N. C., March 16. 
** Battle of Bentonville 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 19. 
* Grand Review May 24. 
* Mustered out June 5, 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 4 Officers and 86 Enlisted men killed and mortally wounded and 1 Officer and 131 Enlisted men by disease. Total 222.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 701, 703, 704, 705, 707, 715, 721, 722, 733, 834, 860, 862, 866, 1082-1083)
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