18th Missouri Infantry (U)

== Regimental History and Service Record ==
Organized at Laclede, Mo., July to November, 1861. Attached to District of St. Louis, Dept. of Missouri, to March, 1862. 2nd Brigade, 6th Division, Army of the Tennessee, to July, 1862. 2nd Brigade, 6th Division, District of Corinth, Miss., to November, 1862. 2nd Brigade, 6th Division, District of Corinth, 13th Army Corps (Old), Dept. of the Tennessee, November, 1862. 3rd Brigade, District of Corinth, 13th Army Corps, to December, 1862. 3rd Brigade, District of Corinth, 17th Army Corps, to January, 1863. 3rd Brigade, District of Corinth, 16th Army Corps, to March, 1863. 3rd Brigade, 2nd Division, 16th Army Corps, to November, 1863. Fuller's Brigade, 2nd Division, 16th Army Corps, to January, 1864. 3rd Brigade, 2nd Division, 16th Army Corps, to March, 1864. 1st Brigade, 4th Division, 16th Army Corps, to September, 1864. 1st Brigade, 1st Division, 17th Army Corps, to July, 1865.
SERVICE.--Duty on Hannibal & St. Joseph Railroad during summer and fall of 1861. At Weston, Mo., until December. Ordered from St. Louis to Cairo, Ill., December 22. At Bird's Point, Mo., until March, 1862. Ordered to Pittsburg Landing, Tenn. 
* April 6-7, 1862 - Battle of Shiloh, Tennessee
Advance on and siege of Corinth, Miss., April 29-May 30. At Corinth and Bolivar until December. Battle of Corinth October 3-4 (Cos. "A," "B," "C" and "E"). Pursuit to Ripley October 5-12 (Cos. "A," "B," "C" and "E"). On duty in District of Corinth guarding Railroad toward Bethel until June, 1863. Affairs at Camp Sheldon February 8 and 10, 1863. Operations in Northeast Mississippi June 13-22. Skirmishes at New Albany June 19. Mud Creek June 20. At Corinth until November. March to Pulaski, Tenn., November 2-12. Duty there and guard duty on Railroad until April, 1864. Veterans on furlough January and February, 1864. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-13, 1864 - Demonstration on Resaca, Georgia
*** May 9, 1864 - Combat at Resaca, Georgia
*** May 13, 1864 - Combat at Resaca, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Advance on Dallas May 18-25. 
** 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. 
** Ruff's Mills July 3-4. 
** Chattahoochie River July 6-17. 
** July 22, 1864 - Battle of Atlanta, Georgia
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Flank 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. 
* November 15-December 21, 1864 - The Savannah Campaign
** Montieth Swamp December 9. 
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Pocotaligo, S.C., January 14-16. 
** Reconnaissance to Salkehatchie River January 25. 
** Skirmishes Rivers' and Broxton's Bridges, Salkehatchie River, February 2. 
** Rivers' Bridge, Salkehatchie River, February 3. 
** Binnaker's Bridge, South Edisto River, February 9. 
** North Edisto River February 12-13. 
** Columbia February 15-17. 
** Juniper Creek, near Cheraw, March 3. 
** Fayetteville, N. C., March 11. 
** Battle of Bentonville 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, and duty there until July. 
* Mustered out July 18, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 6 Officers and 75 Enlisted men killed and mortally wounded and 164 Enlisted men by disease. Total 245.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 721, 723, 835, 846, 1330)
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