Organized at Jefferson Barracks, Mo., September 6, 1861. Moved to Benton Barracks September 12, thence to Jefferson City, Mo., September 21 (5 Cos.). Other Companies moved to Jefferson City October 4 and joined Regiment at Tipton, Mo., October 19. Expedition to Lexington October 5-16 (Cos. "C" and "L"). Capture of Lexington October 16 (Cos. "C" and "L"). Warrensburg October 18. Fremont's advance on Springfield, Mo., October 20-26. 1st Battalion (Cos. "A," "C," "D" and "E") moved to Sedalia, Mo., as escort to General Hunter, November; thence to Fort Leavenworth, Kansas, and duty there till May, 1862. Attached to Dept. of Kansas November, 1861, to May, 1862. District of Southwest Missouri, Dept. of Missouri, to October, 1862. 2nd Brigade, 2nd Division, Army of the Frontier, Dept. of Missouri, to February, 1863. 2nd Brigade, 3rd Division, Army of the Frontier, to June, 1863. 1st Brigade, 1st Cavalry Division, District of Southeast Missouri, Dept. of Missouri, to August, 1863. Reserve Brigade, 1st Cavalry Division, Arkansas Expedition, to December, 1863. 1st Brigade, 1st Division Cavalry, Army of Arkansas, to January, 1864. 1st Brigade, 1st Cavalry Division, 7th Army Corps, Dept. of Arkansas, to May, 1864. 3rd Brigade, 1st Division, 7th Army Corps, to September, 1864. (Regiment consolidated to 7 Cos. September 10, 1864.) 2nd Brigade, Cavalry Division, 7th Army Corps, to March, 1865. Separate Brigade, 7th Army Corps, to September, 1865.
Operations about Atchison, Kansas, January 20-24, 1862 (Co. "E"). Pink Hill March 31 (Cos. "C" and "D"). Moved to Independence, Mo., May, 1862, and operating against guerrillas till September, 1862. Scout to Little Blue May 15-17 (Detachment). Independence May 16 (Detachment). Near Sedalia June 5 (Cos. "A," "C" and "E"). Operations in Johnson County June 28-29. Expedition toward Blackwater and Chapel Hill July 6-9. Expedition in Cass County July 9-11. Lotspeach Farm, near Wadesburg, July 9. Sear's House and Big Creek Bluffs, near Pleasant Hill, August 8 (Cos. "A," "C" and "D"). Joined Herron's Division September -. At Rolla, Mo., till June, 1863. Moved to Pilot Knob and join Davidson's Cavalry Division. Expedition against Little Rock, Ark., July 1-September 10. Pocohontas August 24. Shallow Ford, Bayou Metoe, August 30. Near Shallow Ford September 2. Bayou Fourche and capture of Little Rock September 10. Expedition from Benton to Mt. Ida November 10-18, Caddo Gap November 11. Near Benton December 1. Reconnoissance from Little Rock December 5-13. At Little Rock till March, 1864. Carter's Creek January 23, 1864. Steele's Expedition to Camden March 23-May 3. Rockport March 25. Arkadelphia March 29. Spoonville April 2. Little Missouri River April 6. Prairie D'Ann April 9-12.
Camden April 15. Jenkins' Ferry, Saline River, April 30. Operations against Shelby north of Arkansas River May 18-31. Osceola August 2. Benton August 18. Near Pine Bluff August 18. Scout to Benton September 6-7. Reconnoissance to Princeton October 19-23. Expedition to Saline River November 17-18. Expedition to Mt. Elba January 22-February 4, 1865. At Little Rock till September. Mustered out September 1, 1865.
2nd Battalion-(Cos. "B," "H," "I" and "L.") Moved to Otterville, Mo., November, 1861, and duty there till February, 1862. Expedition to Milford December 15-19. Shawnee Mound, Milford, Blackwater River, December 19. Roan's Tan Yard, Silver Creek, January 8, 1862. Joined 3rd Battalion at Lebanon February 9. Attached to 3rd Brigade, Army of Southwest Missouri, Dept. of Missouri, to February, 1862. 2nd Brigade, 3rd Division, Army of Southwest Missouri, to April, 1862. Cassville, Mo., District of Southwest Missouri, to October, 1862. (Detached from 3rd Battalion at Cassville, Mo., April 7.) Unattached, 2nd Division, Army of the Frontier, to January, 1863; then same as 1st Battalion. Advance on Springfield, Mo., February 13-16. Pursuit of Price to Fayetteville, Ark., February 13-16. Skirmish with Price's Rear Guard February 14-15. Bentonville February 17. Sugar Creek February 18. Reconnoissance to Berryville March 3-7. Battles of Pea Ridge March 7-8. Leetown March 7. Elkhorn Tavern March 8. Operations against Stan Wattee March 19-23. At Cross Timbers till April 6. Moved to Cassville April 6-7. Santa Fe Road April 14. Neosho April 26. Near Newtonia August 8. Union Mills August 20. Occupation of Newtonia October 4. Battle of Prairie Grove, Ark., December 7. Expedition over Boston Mountains December 27-29. Dripping Springs and capture of Van Buren December 28. (See 1st Battalion.)
3rd Battalion-(Cos. "F," "G," "K" and "M."). Moved to Rolla, Mo., November, 1861. Expedition against Sam Freeman December --. Stein's Creek, LaClede County, January 1, 1862. Scouting on the Gasconade till January 15, 1862. Attached to 3rd Brigade, Army of Southwest Missouri, Dept. of Missouri, to April, 1862. 2nd Division, Army of Southwest Missouri, to July, 1862. District of Eastern Arkansas, Dept. of Missouri, to December, 1862. 1st Brigade, 3rd Cavalry Division, District of Eastern Arkansas, to January, 1863. Helena, Ark., District of Eastern Arkansas, 13th Army Corps, Dept. of Tennessee, to January, 1863. District of Memphis, Tenn., 16th Army Corps, to March, 1863. 4th Brigade, District of Memphis, 5th Division, 16th Army Corps, to June, 1863. Dept. of Missouri to December, 1863. New Madrid, Mo., to September, 1864.
Curtis' Campaign in Southwest Missouri January 15-February 16, 1862. Occupation of Lebanon January 26, 1862. Reconnoissance beyond Bolivar February 6-9. Bolivar February 8. Advance on Springfield, Mo., February 10-13. Pursuit of Price to Fayetteville, Ark., February 13-16. Skirmish with Price's Rear Guard February 14-15. Bentonville February 17. Sugar Creek February 18. Reconnoissance to Berryville March 3-7. Battles of
Pea Ridge March 6-9. Leetown March 7. Elkhorn Tavern March 8. Operations against Stan Wattee March 19-23. At Cross Timbers till April 6. Advance to Forsyth, thence to Batesville April 7-May 5. (Co. "F" detached as escort to General Jeff C. Davis May 10, 1862, and moved to Army of the Tennessee.) March to Helena, Ark., May 25-July 14. Big Indian Creek, White County, May 23. Searcy, White County, May 27. Taberville August 11. Lagrange September 6. Expedition to Lawrenceville and St. Charles September 11-13. Expedition from Helena to Lagrange September 26. Near Helena October 11. Expedition from Helena to Moro November 5-8. At Helena, Ark., till January 29, 1863. Moved to Memphis, Tenn., and duty there till June. Carter's Creek Pike April 27. Expedition to Hernando May 23-24 and May 26 (Detachments). Scouts toward Hernando May 27-28 (Detachment). Operations in Northwest Mississippi June 15-25. Coldwater, near Hernando, June 19 (Detachment). Hernando June 20. Moved to St. Louis, Mo., June 30-July 3; thence to Cape Girardeau escorting train July 20-27. March to Bloomfield and return to Cape Girardeau August 1-6. Expedition to Pocohontas August 17-27. Pocohontas August 24. At Cape Girardeau and Pilot Knob till October 23, and at Bloomfield till December 14. Moved to New Madrid, Mo., and duty there till September, 1864. In swamps of Little River April 6, 1864. Scout to Gainesville, Ark., May 10-25. Expedition to Carruthersville July 5-10. Operations in Southeast Missouri and Northeast Arkansas July 18-August 6.
Company "F" served detached as escort to General Jeff C. Davis, commanding 4th Division, Army of Mississippi, to September, 1862; then with Headquarters, 9th Division, 3rd Corps, Army of Ohio, to November, 1862. 1st Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Division, 20th Army Corps, Army of the Cumberland, to October, 1863. At Headquarters, Dept. of Missouri, to August, 1864. Siege of Corinth, Miss., April 29-May
30, 1862. Campaign against Bragg in Kentucky October, 1862. Stone River Campaign December, 1862-January, 1863. Weem's Springs August 19, 1863.
Regiment lost during service 2 Officers and 51 Enlisted men killed and mortally wounded and 2 Officers and 179 Enlisted men by disease. Total 234.