Organized at St. Louis, Mo., September 2, 1862, to January 8, 1863. On duty at Chillicothe, Mo., and as Provost Guard at St. Louis during organization of Regiment. Ordered to Rolla, Mo., January 10, 1863. Attached to District of Rolla, Dept. of Missouri, to March, 1863. 1st Brigade, 1st Division, 15th Army Corps, Army of the Tennessee, to June, 1865.
SERVICE.--Duty at Rolla, Mo., until March 1, 1863. Ordered to Join Army of the Tennessee before Vicksburg, Miss., arriving there March 20. At Milliken's Bend, La, until April. Expedition to Greenville. Black Bayou and Deer Creek April 2-14. Deer Creek April 8 and 12. Demonstration on Haines and Drumgould's Bluffs April 29-May 2. Moved to join army in rear of Vicksburg, Miss., via Richmond and Grand Gulf May 2-14. Jackson, Miss., May 14. Siege of Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19 and 22. Advance on Jackson, Miss., July 4-10. Siege of Jackson July 10-17. At Big Black until September 27. Moved to Memphis, thence march to Chattanooga, Tenn., September 27-November 21. Operations on Memphis & Charleston Railroad in Alabama October 20-29. Cherokee Station October 21 and 29. Cane Creek October 26. Tuscumbia October 26-27. Chattanooga-Ringgold Campaign November 23-27. Lookout Mountain November 23-24. Mission Ridge November 25. Ringgold Gap, Taylor's Ridge, November 27. March to relief of Knoxville, Tenn., November 28-December 8. Garrison duty at Woodville and Scottsboro, Ala., until May, 1864. Atlanta (Ga.) Campaign May 1 to September 8. Demonstration on Resaca May 8-13. Battle of Resaca May 13-15. Advance on Dallas May 18-25. Battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Brush Mountain June 15-17. 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 2nd Sortie, July 28. Movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. Lovejoy Station September 2-6. Operations against Hood in North Georgia and North Alabama September 29-November 3. Ship's Gap, Taylor's Ridge, October 16. March to the sea November 15-December 10. Clinton November 22. Statesboro December 4. Ogeechee River December 7-9, Siege of Savannah December 10-21. Fort McAllister December 13. Campaign of the Carolinas January to April, 1865. Reconnaissance to Salkehatchie River, S. C., January 25. Hickory Hill, S.C., February 1. Salkehatchie Swamps February 2-5. South Edisto River February 9. North Edisto River February 11-12. Columbia February 15-17. Battle of Bentonville, N. C., March 20-21. 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 20. Grand Review May 24. Moved to Louisville, Ky., June. Mustered out June 13, 1865. Companies "F," "G" and "I" transferred to Consolidated Battalion, 31st and 32nd Missouri Infantry.
Regiment lost during service 2 Officers and 35 Enlisted men killed and mortally wounded and 139 Enlisted men by disease. Total 176.