33rd Ohio Infantry

== Regimental History and Service Record ==
The 33rd Ohio Infantry was organized at Portsmouth, Ohio, from August 5 through September 13, 1861. It was mustered in for three years service under the command of Colonel Joshua Woodrow Sill. Companies were recruited from Southern Ohio.
The regiment was attached to 9th Brigade, Army of the Ohio, October to December 1861. 9th Brigade, 3rd Division, Army of the Ohio, to September 1862. 9th Brigade, 3rd Division, I Corps, Army of the Ohio, to November 1862. 1st Brigade, 1st Division, Center, XIV Corps, Army of the Cumberland, to January 1863. 1st Brigade, 1st Division, XIV Corps, to July 1865. The 33rd Ohio Infantry mustered out of service at Louisville, Kentucky, on July 12, 1865.
Left Ohio for Kentucky September 13 and joined Gen. Nelson at Maysville, Ky. Capture of Hazel Green, Ky., October 23, 1861. Operations against Williams' invasion of the Bluegrass region, Ky., November–December. Action at Ivy Mountain November 8. Piketon, Ky., November 8–9. Duty at Bacon Creek until February 1862. Advance on Bowling Green, Ky., February 10–15, and on Nashville, Tenn., February 22–25. Occupation of Nashville February 25 to March 17. Advance on Murfreesboro, Tenn., March 17–19. Occupation of Shelbyville and Fayetteville and advance on Huntsville, Ala., March 29-April 11. Capture of Huntsville April 11. (Pittinger's Raid on Georgia Central Railroad April 7–12, detachment.) Advance to Decatur, Ala., April 11–14. Duty along Memphis & Charleston Railroad until August. Action at Battle Creek June 21. Moved to Bridgeport and occupy Fort McCook at mouth of Battle Creek. Action at Battle Creek August 27 (6 companies)
* August 27, 1862 - Skirmish at Bridgeport, Alabama (4 companies)
* March to Louisville, Ky., in pursuit of Bragg, August 28-September 26. 
* Pursuit of Bragg into Kentucky October 1–15. 
** October 8, 1862 - Battle of Perryville, Kentucky 
March to Nashville, Tenn., October 16-November 7, and duty there until December 26. Advance on Murfreesboro, Tenn., December 26–30. Battle of Stones River December 30–31, 1862 and January 1–3, 1863. Duty at Murfreesboro until June. Tullahoma Campaign June 23-July 7. Hoover's Gap June 24–26. Occupation of middle Tennessee until August 16. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** Davis Cross Roads or Dug Gap September 11. 
** September 19-September 20, 1863 - Battle of Chickamauga, Georgia
** Rossville Gap September 21. 
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
* Reopening Tennessee River October 26–29.
* Brown's Ferry October 27 (detachment).
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Orchard Knob November 23.
** Lookout Mountain November 23–24.
** Missionary Ridge November 25.
** Ringgold Gap, Taylor's Ridge, November 27.
* 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 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap or Mill Creek May 9. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Advance on Dallas May 18–26. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia 
** Pickett's Mill May 27. 
** Operations about Marietta and against Kennesaw Mountain June 10-July 2. 
** Pine Hill June 11–14. 
** Lost Mountain June 15–17. 
** Assault on Kennesaw June 27. 
** Ruff's Station July 4. 
** Chattahoochie River July 5–17. 
** Buckhead, Nancy's Creek, July 18. 
** Peachtree Creek July 19–20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Utoy Creek August 6–7. 
** Flank movement on Jonesboro August 25–30. 
** Red Oak August 29. 
** Battle of Jonesboro August 31-September 1. 
* Operations against Hood in northern Georgia and northern Alabama September 29-November 3. 
* Cassville November 7. 
* November 15-December 21, 1864 - The Savannah Campaign
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Taylor's Hole Creek, Averysboro, 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 20-May 19. 
* Grand Review of the Armies May 24. 
* Moved to Louisville, Ky., June 6.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 7 Officers and 130 enlisted men killed and mortally wounded 
* 3 Officers and 192 enlisted men killed by disease
* Total 332	None
Fox 	
* Fox lists this unit as:
** 170th on the list of units with losses based on duration of the entire term of service of the unit (12th of the Ohio 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 663, 701, 704, 707, 715, 721, 723, 733, 735, 860, 862, 866, 1512)
* (Page 13)
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