85th Illinois Infantry

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. Battle of Perryville, Ky., October 8. March to Nashville, Tenn., October 16-November 7. Post duty at Nashville till 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 till June 5, and at Murfreesboro till July 15. At Nashville, Tenn., till August 20. March to Bridgeport, Ala., via Franklin, Columbia, Athens and Huntsville August 20-September 14. Battle of Chickamauga, Ga., September 19-21. Siege of Chattanooga September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. 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., till May, 1864. Demonstration on Dalton, Ga., February 22-27, 1864. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. Atlanta (Ga.) Campaign May to September. Tunnel Hill May 6-7. Demonstration on Rocky Faced Ridge May 8-11. Buzzard's Roost Gap May 8-9. Battle of Resaca May 14-15. Rome May 17-18. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. 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. Siege of Atlanta July 22-August 25. 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. March to the sea November 15-December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. 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.

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.

SOURCE: Frederick H. Dyer, A Compendium of the War of the Rebellion, Part 3, p. 1082-3