3rd Tennessee Infantry (U)

== Regimental History and Service Record ==
Organized at Flat Lick, Ky., December, 1861, to February, 1862. Attached to 25th Brigade, 7th Division, Army of the Ohio, to October, 1862, 1st Brigade, District of West Virginia, Dept. of the Ohio, to November, 1862. 1st Brigade, 2nd Division (Centre), 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Brigade, 2nd Division, 14th Army Corps, to April, 1863. District of Central Kentucky, Dept. of the Ohio, to June, 1863. 3rd Brigade, 3rd Division, 23rd Army Corps, Army of the Ohio, to August, 1863. 3rd Brigade, 3rd Division, Reserve Corps, Army of the Cumberland, to October. 1863. 2nd Brigade, 2nd Division, 14th Army Corps, Army of the Cumberland, to November, 1863. Spear's Brigade, Chattanooga, Tenn., to December, 1863. Spear's Tennessee Brigade, 2nd Division, 23rd Army Corps, to January, 1864. 3rd Brigade, Rousseau's 3rd Division, 12th Army Corps, Army of the Cumberland, to April, 1864. 1st Brigade, 2nd Division, 23rd Army Corps, Army of the Ohio, to February, 1865.
SERVICE.--Duty at Somerset and London, Ky., until January, 1862. Battle of Logan's Cross Roads January 19. Duty at London and covering Cumberland Gap until March, 1862. Cumberland Gap Campaign March 28-June 18. Big Creek Gap June 11-12 and 15. Occupation of Cumberland Gap and covering rear at London June 18-September 17. Operations about Cumberland Gap August 16-22. Action at London August 17. Big Hill August 23. (Battle of White's Farm, Richmond, Ky., August 30, Battalion). Expedition to Fine Mountain September 6-10. Big Creek Gap September 7. 
* Garrard's Detachment
** October 8, 1862 - Battle of Perryville, KentuckyNot originally referenced on unit homepage
Evacuation of Cumberland Gap and retreat to Greenupsburg, Ky., September 17-October 3. Near Gallipolis, Ohio, and operations in the Kanawha Valley until November. Ordered to Louisville, thence to Cincinnati, Ohio, and to Nashville, Tenn. Duty at Nashville, Tenn., until April, 1863, and at Carthage, Tenn., until August. Ordered to McMinnville August 31. March to Chattanooga September 12-20. Action near Summerton September 23. At Sale Creek until December. Ordered to Kingston. Action at Kingston December 4. Duty near Knoxville and operations in East Tennessee until April, 1864. Love's Hill, near Knoxville, January 24. Panther Springs March 5. 
* May 1-September 8, 1864 - The Atlanta Campaign (Companies "E," "G," "H" and "L,") 
** May 9-13, 1864 - Demonstration on Dalton, Georgia
** Rocky Ford Ridge May 8-11. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia 
** Pursuit to Cassville May 16-19. 
** Near Cassville May 18-19. 
** Etowah River May 20. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia 
** Kingston May 27. 
** Allatoona May 26 and 29. 
** Pine Mountain June 3-7. 
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Lost Mountain June 15-17. 
** Muddy Creek June 17. 
** Noyes Creek June 19. 
** Kolb's Farm June 22. 
** Assault on Kenesaw June 27. 
** Nickajack Creek July 2-5. 
** Vining Station July 4. 
** Chattahootchie River July 5-17. 
** Decatur July 19. 
** Howard House July 20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Utoy Creek August 5-7. 
** Flank movement on Jonesboro August 25-31. 
** Battle of Jonesboro August 31-September 1. 
** Lovejoy Station September 2-6. 
* Pursuit of Hood into Alabama October 3-26. Nashville Campaign November and December. 
Guard fords of Duck River until November 28. Spring Hill November 29. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. At Clifton, Tenn., until February, 1865. Moved to Nashville and mustered out February 23, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 3 Officers and 54 Enlisted men killed and mortally wounded and 168 Enlisted men by disease. Total 225.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 704, 705, 707, 715, 733, 1644-1645)
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