4th Regiment Tennessee Volunteer Cavalry

The 4th Tennessee Volunteer Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War. This regiment was originally recruited as the 4th East Tennessee Cavalry.

Service
The 4th Tennessee Cavalry was organized at Cumberland Gap and mustered in for a three year enlistment on February 9, 1863 at Nashville, Tennessee under the command of Colonel R. M. Edwards. Four companies were organized in Louisville, Kentucky December 1862 through January 1863.

The regiment was attached to post of Nashville, Tennessee, Department of the Cumberland, to January 1864. 3rd Brigade, Cavalry Division, XVI Corps, Department of the Tennessee, to April 1864. 1st Brigade, 4th Division, Cavalry Corps, Army of the Cumberland, to June 1864. Districts of Nashville and North Alabama, Department of the Cumberland, to October 1864. 1st Brigade, 4th Division, Cavalry Corps, Military Division Mississippi, to December 1864. 1st Brigade, 7th Division, Cavalry Corps, Military Division Mississippi, to February 1865. 2nd Brigade, 7th Division, Cavalry Corps, Military Division Mississippi, February 1865. 2nd Brigade, 1st Division, Cavalry Corps, Military Division West Mississippi, to May 1865. 1st Brigade, 2nd Cavalry Division, West Mississippi, to July 1865.

The 4th Tennessee Cavalry mustered out of service August 14, 1865 in Nashville, Tennessee.

Detailed service
Duty at Camp Spear, Nashville, Tenn., until August 1863. Green Hill June 14. Ordered to Carthage, Tenn., August 30. Duty there, at Murfreesboro and Nashville, Tenn., until December. Action at Friendship Church September 29. Expedition to Memphis, Tenn., December 28-January 4, 1864. Moved to Colliersville January 14. Smith's Expedition to Okolona, Miss., February 11–26. Coldwater February 11. Holly Springs February 12. Near Okolona February 18. West Point February 20–21. Prairie Station February 21. Okolona and Tallahatchie River February 22. Ordered to Nashville, Tenn., February 27, and duty there until June. Duty on line of the Nashville & Chattanooga Railroad and in District of North Alabama until July. Decatur, Ala., June 1. (A detachment at Decatur, Ala., until October 1864.) Sand Mountain July. Rousseau's Raid from Decatur to West Point & Montgomery Railroad July 10–22. Near Coosa River July 13. Greenpoint and Ten Island Ford, Coosa River July 14. Opetika, Chehaw Station, and near Auburn July 18. Siege of Atlanta until August 5. Scouts to England Cove, Tenn., July 7–9 and July 12–18 (detachments). McCook's Raid on Atlanta & West Point Railroad July 27–31. Near Campbellton July 28. Lovejoy's Station July 29. Clear Creek and near Newnan July 31. Chattahoochie River July 31. Ordered to Decatur, Ala., August 5. Near Pond Springs, Ala., August 9 (detachment). Expedition from Decatur to Moulton August 17–20. Near Pond Springs August 18–19 (detachment). Rousseau's pursuit of Wheeler September 1–8. Operations against Forrest in eastern Tennessee September 16-October 10. Action at Pulaski September 26–27. At Nashville, Tenn., until December. Action at Owen's Cross Roads December 1. Demonstration on Murfreesboro December 5–7. Wilkinson's Cross Roads near Murfreesboro December 7. Battle of Nashville December 15–16. Pursuit of Hood to the Tennessee River December 17–28. Hollow Tree Gap, Franklin and West Harpeth River December 17. Franklin December 18. Rutherford Creek December 19. Lynnville December 23. Anthony's Hill December 25. Sugar Creek December 25–26. Hillsboro December 29. Near Leighton December 30. Narrows January 2, 1865. Thorn Hill January 3. At Gravelly Springs until February. Moved to Vicksburg, Miss., thence to New Orleans, La., and Mobile Bay, Ala., February 11-March 23. Campaign against Mobile and its defenses March 26-April 9. Occupation of Mobile April 12. March to Montgomery April 13–25. Ordered to Mobile April 27. Expedition from Spring Hill, Ala., to Baton Rouge May 8–22. Ordered to Nashville, Tenn., May 27. Garrison duty at Johnsonville until July.

Casualties
The regiment lost a total of 234 men during service; 1 officer and 24 enlisted men killed or mortally wounded, 4 officers and 205 enlisted men died of disease.

Commanders

 * Colonel R. M. Edwards
 * Lieutenant Colonel Jacob Montgomery Thornburgh - commanded at the battle of Nashville