Organized at large in Missouri March and April, 1862.
Served unattached, Dept. of Missouri, to September, 1862.
District of Southwest Missouri, Dept. of Missouri, to October, 1862. Unattached, Army of the Frontier, Dept. of Missouri, to June, 1863. District Central Missouri, Dept. of Missouri, to July, 1865. Company G - Captain Melville U. Foster - Many men from Warrensburg, Johnsosn County
Post Oak Creek, near mouth of Briar, March 26, 1862. Warrensburg April 8.
Regiment lost during service 4 Officers and 56 Enlisted men killed and mortally wounded and 6 Officers and 152 Enlisted men by disease. Total 218.
Warrensburg May 17 (Co. "G"). Pursuit of Poindexter August 8-15 (Detachment).
Independence August 12. Scout from Fort Leavenworth, Kansas, to Independence August 12-14. Expedition to Hickory Grove August 17-27 (1 Co.). Fayetteville, Ark., October 24. Scout from Linden to White River April 1-5, 1863 (Co. "G"). White River April 17. Scout from Newtonia to French Point and Centre Creek May 13-18 (Detachment). French Point May 15 (Detachment). Carthage May 16 (Detachment). Hartsville May 23. Mountain Store May 26. Carthage June 27-28. Scout from Sedalia August 25-28 (Detachment). Clear Fork August 26 (Detachment). Near Syracuse October 25 (Co. "H"). Warsaw October 7. Near Camp Cole October 9. LaMine Bridge October 10. Booneville October 11-12. Merrill's Crossing and Dug Ford, near Jonesborough, October 12. Blackwater October 12. Marshall, Arrow Rock, Blackwater, October 13. Jonesborough October 14. Warrensburg May 28, 1864. Near Dunksburg June 27-28 (Co. "K"). Wellington July 8. Operations near Wellington July 9-13. Warder's Church July 10 (Detachment). Columbia July 12 (Detachment). Johnson County July 16. Clear Fork, near Warrensburg, July 16 (Detachment). Scout in Johnson County July 26-31 (Detachment). Blackwater River July 27 (Co. "G"). Big Creek July 28 (Co. "C"). Expedition from Warrensburg to Chapel Hill July 29-August 2 (Co. "K"). Near Chapel Hill July 30 (Co. "K"). Operations near Holden August 2-8. Merrick's Creek, near Holden, August 8 (Co. "K"). Operations in Johnson County August 11-19 (Detachment). Near Holden August 12 (Detachment). Scout from Crisp's Mills on Big Creek August 25-30 (Co. "M"). Near Rose Hill August 26 (Co. "M"). Near Lone Jack September 1 (Detachment). Operations in Johnson County September 1-9 (Detachment). Expedition from Sedalia to Scott's Ford on Blackwater September 2-4.
Scout in Lafayette County September 20-25 (Detachment). Arrow Rock Road September 23 (Detachment). Prince's Shoals, Osage River, Cole County, October 5-6. Near Jefferson City October 8. California and Booneville October 9. Near Booneville October 11-12. Sedalia October 15.
Little Blue October 21.
Independence, Big Blue and State Line October 22.
Westport October 23. Engagement at the Marmiton or Battle of Charlot October 25.
Mine Creek, Osage River, Marias des Cygnes, October 25.
Scout from Warrensburg to Greenton Valley November 29-December 3 (Detachment).
Scout from Camp Grover to Texas Prairie January 12-15, 1865 (Detachment).
Scout from Warrensburg to Miami January 12-17 (Co. "I").
Scout from Warrensburg to Snibar Hills January 18-22 (Detachment). Scout from Warrensburg to Tabo Creek, etc., February 1-5 (Detachment). Scout in Lafayette County February 3-8.
Scout from Warrensburg to Columbus and skirmish near Greenton March 19-23 (Detachment). Near Booneville May 3. Duty in Central District of Missouri till July.
Mustered out July 11, 1865.
Missouri had 1,162 military actions, the third highest number, after Virginia and Tennessee. Of that number, only two--Wilson's Creek (August 10, 1861) and Westport (October 23, 1864)-- are considered battles. The remaining incidents were primarily skirmishes.
Missouri had over a dozen state militia organizations during the Civil War. The primary in-state defensive and offensive military forces were the Enrolled Missouri Militia (EMM) and Missouri State Militia (MSM). The EMM was solely state force, primarily mobilized as needed, but plagued with accusations of both disloyalty and excessive zealotry. The MSM was a state force authorized and subsidized by the federal government. It was a full-time force and was primarily occupied in battling guerilla forces throughout the war.
The Missouri forces that fought east of the Mississippi River were primarily members of the Missouri Volunteers, or volunteers in federal service from Missouri (although the Union forces killed at the Battle of Centralia were recruits for the 39th Regiment Infantry, Missouri Volunteers). The Missouri Volunteers consisted of 56 regiments, infantry, 16 cavalry, 2 artillery, and one engineer regiments, as well as numerous independent companies, batteries, and battalions.
Missouri contributed a huge number of its men to both sides of the Civil War. Over 109,000 men enlisted and fought for the Union and at least 30,000 men fought for the Confederacy. This represents almost 60 percent of men of military age and places Missouri first among the states in proportion to the population.
To research regimental histories for Missouri and other states, the most used work is the book published by Frederick Dyer in 1908, "A Compendium of the War of the Rebellion":
7th REGIMENT CAVALRY MISSOURI STATE MILITIA (OLD) 7th REGIMENT CAVALRY US 7th REGIMENT CAVALRY MISSOURI STATE MILITIA CIVIL WAR, UNION More information can be obtained at http://www.sos.mo.gov/archives/soldiers/ 1554 names total
The 45th Regiment, Missouri Infantry (Union) was organized at Sedalia, Warrensburg and Otterville August 10 to September 17, 1864. They were attached to District of St. Louis, Mo., Dept. of Missouri, to December, 1864. They were with the Unattached, 4th Division, 23rd Army Corps, Army Ohio, to March, 1865.
For more information on the history of this unit, see:
The Civil War Archive section, 45th Regiment Infantry, (accessed 26 July 2012).