4th Iowa Infantry

== Regimental History and Service Record ==
Organized at Council Bluffs and mustered in August 8, 1861. Moved to St. Louis, thence to Rolla, Mo., August 9-24. Attached to Dept. of Missouri, to December, 1861. 1st Brigade, Army of Southwest Missouri, to February, 1862. 1st Brigade, 4th Division, Army Southwest Missouri, to May, 1862. 2nd Division, Army Southwest Missouri, to July, 1862. District of Eastern Arkansas, Dept. Missouri, to November, 1862. 2nd Brigade, 2nd Division, District Eastern Arkansas, to December, 1862. 3rd Brigade, 11th Division, Right Wing 13th Army Corps (Old), Dept. Tennessee, to December, 1862. 3rd Brigade, 4th Division, Sherman's Yazoo Expedition, to January, 1863. 3rd Brigade, 1st Division, 15th Army Corps, Army Tennessee, to September, 1863. 2nd Brigade, 1st Division, 15th Corps, to September, 1864. 3rd Brigade, 1st Division, 15th Corps, to July, 1865.
SERVICE.--Duty at Rolla, Mo., August 24, 1861, to January 22, 1862. Expedition to Houston and Salem against Freeman's forces November 1-9, 1861. March from Rolla to Lebanon January 22-31, 1862. Advance on Springfield, Mo., February 10-13. Near Springfield February 12. Pursuit of Price to Cassville February 13-17. Cane Creek February 14. Sugar Creek February 17. Blackburn's Mills February 27. Battles of Pea Ridge March 6-8. March to Batesville April 5-May 3, thence to Helena, Ark., May 25-July 14. Expedition from Helena to Arkansas Post November 16-21. Duty at Helena until December 22. Sherman's Yazoo Expedition December 22, 1862, to January 2, 1863. Chickasaw Bayou December 26-28. Chickasaw Bluffs December 29. (By command of Gen. Grant, Regiment authorized to inscribe upon its banners "1st at Chickasaw Bayou.") Expedition to Arkansas Post, Ark., January 3-10, 1863. Assault on and capture of Fort Hindman, Arkansas Post, January 10-11. Moved to Young's Point, La., January 17-23, and duty there until April. Expedition to Greenville, Black Bayou and Deer Creek April 5-14. Black Bayou April 10. Demonstration on Haines and Droumgould's Bluffs April 25-May 2. Snyder's Bluff April 30. March to Join army in rear of Vicksburg, Miss., via Richmond and Grand Gulf, May 2-14. Jackson May 14. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
** May 19, 1863 - Assault on Vicksburg, Mississippi
** May 22, 1863 - Assault on Vicksburg, Mississippi
* Advance on Jackson July 5-10. 
* Siege of Jackson July 10-17. 
* At Big Black until September 22. 
* September 26-November 20, 1863 - Expedition from Vicksburg, Mississippi to Chattanooga, Tennessee
* Operations on Memphis & Charleston Railroad in Alabama October 20-29. 
* Cherokee Station October 21 and 29
* Cane Creek October 26.
* Tuscumbia October 26-27. 
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Lookout Mountain November 23-24.
** Mission Ridge November 25.
** Ringgold Gap, Taylor's Ridge, November 27.
* March to relief of Knoxville November 28-December 8.
* Duty at Woodville and other points in Alabama until May, 1864.
* Claysville, Ala., March 14 (Non-Veterans). 
* 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
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Assault on Kenesaw June 27. 
** Nickajack Creek July 2-5. 
** Chattahoochie River July 6-17. 
** 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. 
** Pursuit of Hood into Alabama October 1-26. 
** Snake Creek Gap October 15. 
** Ships Gap October 16. 
* November 15-December 21, 1864 - The Savannah Campaign
** Griswoldsville November 22. 
** Ogeechee River December 7-9. 
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Reconnaissance to Salkehatchie River, S.C., January 25. 
** Salkehatchie Swamps, S.C., February 3-5. 
** South Edisto River February 9. 
** North Edisto River February 12-13. 
** Congaree Creek February 15. 
** Columbia February 16-17. 
** Lynch's Creek February 25-26. 
** Battle of Bentonville, N. C., March 20-21. 
** Occupation of Goldsboro March 24. 
** Advance on Raleigh April 10-13. 
** 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. 
* Moved to Louisville, Ky., June, and duty there until July. 
* Mustered out July 24, 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 6 Officers and 109 Enlisted men killed and mortally wounded and 2 Officers and 285 Enlisted men by disease. Total 402.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 721, 722, 779, 783, 834, 866, 1166)
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