27th Missouri Infantry (U)

== Regimental History and Service Record ==
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. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
** May 19, 1863 - Assault on Vicksburg, Mississippi
** May 22, 1863 - Assault on Vicksburg, Mississippi
* Advance on Jackson, Miss., July 4-10. 
* Siege of Jackson July 10-17. 
* At Big Black until September 27. 
* September 26-November 20, 1863 - Expedition from Vicksburg, Mississippi to Chattanooga, Tennessee
* Operations on Memphis & Charleston Railroad in Alabama October 20-29. 
* Cherokee Station October 21 and 29.
* Cane Creek October 26. Tuscumbia October 26-27. 
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** 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. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-13, 1864 - Demonstration on 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. 
** Brush Mountain June 15-17. 
** Assault on Kenesaw June 27. 
** Nickajack Creek July 2-5. 
** Chattahoochie River July 6-17. 
** July 22, 1864 - Battle of Atlanta, Georgia
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** 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. 
* November 15-December 21, 1864 - The Savannah Campaign
** Clinton November 22. 
** Statesboro December 4. 
** Ogeechee River December 7-9
** December 10-21, 1864 - Siege of Savannah, Georgia
*** Fort McAllister December 13. 
* January 1-April 26, 1865 - The Carolinas Campaign
** 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 Missouri Infantry (U) and 32nd Missouri Infantry (U).
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 2 Officers and 35 Enlisted men killed and mortally wounded and 139 Enlisted men by disease. Total 176.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 721, 723, 779, 783, 835, 866, 1333)
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