4th Iowa Infantry

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 till 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 till 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. Siege of Vicksburg May 18-July 4. Assaults on Vicksburg May 19 and 22. Advance on Jackson July 5-10. Siege of Jackson July 10-17. At Big Black till September 22. Moved to Memphis, thence march to Chattanooga, Tenn., September 22-November 22. Operations on Memphis & Charleston Railroad in Alabama October 20-29. Cherokee Station October 21 and 29. Cane Creek October 26. Tuscumbia October 26-27. Battles of Chattanooga November 23-27. 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 till May, 1864. Claysville, Ala., March 14 (Non-Veterans). Atlanta (Ga.) Campaign May 1-September 8. Demonstration on Resaca May 8-13. Battle of Resaca May 14-15. 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. Assault on Kenesaw June 27. Nickajack Creek July 2-5. Chattahoochie River July 6-17. Battle of Atlanta July 22. Siege of Atlanta July 22-August 25. 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. March to the sea November 15-December 10. Griswoldsville November 22. Ogeechee River December 7-9. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Reconnoissance 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 till July. Mustered out July 24, 1865.

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.

SOURCE: Dyer, Frederick H., A Compendium of the War of the Rebellion, Part 3, p. 1166