4th United States Cavalry

== Regimental History and Service Record ==
(Formerly 1st Cavalry)
On duty at Forts Washita, Wise and Kearney, Kan., at outbreak of the Rebellion. Moved to Fort Leavenworth, Kan., April 17-May 31, 1861. Companies "B," "C," "D" and "L" in Missouri with Lyons. Forsyth, Mo., July 27. Dug Springs August 2. Battle of Wilson's Creek August 10 (Cos. "D" and "I"). Fremont's Campaign against Springfield, Mo., September to November, 1861 (Cos. "B," "C," "D," "L"). Shawnee Mound, Milford, December 19 (Cos. "B," "C," "D"). 
* December 28-31, 1861 - Expedition to Camp Beauregard and Viola, Kentucky (Companies C and I)
Investment and capture of Fort Donelson, Tenn., February 12-16, 1862 (Cos. "I," "K"). Company "K" joined Buell February, 1862. Operations about New Madrid and Island No. 10 February 29-April 8 (Cos. "B," "C," "D"). 
* April 6-7, 1862 - Battle of Shiloh, Tennessee (Company I)
Companies "B," "C," "D," "G," "I" and "K" attached to Cavalry Division. Army Mississippi, April, 1862. Advance on and siege of Corinth, Miss., April 29-May 30. Action at Farmington, Miss., May 9 (Detachment). Pursuit to Booneville May 30-June 12. Attached to Headquarters. Army of the Ohio, June, 1862 ("B," "C," "D," "G," "I," "K"). Buell's Campaign in North Alabama and Middle Tennessee June to August. March to Louisville, Ky., in pursuit of Bragg August 21-September 26. Pursuit of Bragg into Kentucky October 1-22. 
* October 8, 1862 - Battle of Perryville, Kentucky 
March to Nashville, Tenn., October 22-November 7. Attached to Headquarters, Army Cumberland, November, 1862. At Nashville, Tenn, until December 26. Advance on Murfreesboro December 26-30. Overall's Creek December 30. Battle of Stone's River December 30-31, 1862-January 1-3, 1863. Manchester Pike January 5. Reconnaissance to Nolensville and Versailles January 13-15. Reconnaissance to Auburn, Liberty and Carnsville January 21-22 (Detachment). Attached to 1st Brigade, 2nd Division, Cavalry Corps, Army of the Cumberland, January, 1863. Unionville January 30. Expedition to Franklin January 31-February 13. Bradysville March 1. Expedition toward Columbia March 4-14. Union and River March 4. Rutherford Creek March 10-11. Franklin April 10. Expedition to McMinnville April 20-30. Expedition to Middleton May 21-22. Middleton May 21-22. Scout on Middleton and Edgeville Pike June 10. Expedition to Lebanon June 15-17. Lebanon June 16. Middle Tennessee or Tullahoma Campaign June 23-July 7. 
* July 2-July 26, 1863 - Morgan's Raid in Kentucky, Indiana, and OhioNot originally referenced on unit homepage
** July 5, 1863 - Skirmish at Bardstown, Kentucky (detachment)Not originally referenced on unit homepage 
* Fosterville and Guy's Gap June 27.
* Shelbyville June 27 and 30.
* Expedition to Huntsville July 13-22.
* Reconnaissance to Rock Island Ferry August 4-5.
* Sparta August 9. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** Calfkiller River near Sparta August 17. 
** Ringgold, Ga., September 11. 
** Pea Vine Ridge and Reed's Bridge, Chickamauga Creek, September 18. 
** September 19-September 20, 1863 - Battle of Chickamauga, Georgia
Chickamauga Creek September 25. Operations against Wheeler and Roddy September 30-October 17. Expedition from Maysville to Whitesburg and Decatur, Ala., November 14-17. Smith's Expedition from Nashville to Corinth, Miss., December 28, 1863-January 8, 1864. Smith's Expedition from Colliersville, Tenn., to Okolona, Miss., February 11-26. Ivy's Farm near Okolona, Miss., February 22. Tallahatchie River February 22. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Tanner's Bridge May 15. 
** Near Rome May 15. 
** Near Dallas May 24. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Near Big Shanty June 9. 
** Operations against Kenesaw Mountain June 10-July 2. 
** McAffee's Cross Roads June 11. 
** Powder Springs, Lattimer's Mills and Noonday Creek June 20. 
** Noonday Creek June 27. 
** Assault on Kenesaw June 27. 
** Nickajack Creek July 2-5. 
** Chattahoochie River July 5-17. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Garrard's Raid to Covington July 22-24. 
** Garrard's Raid to South River July 27-31. 
** Flat Rock Bridge July 28. 
** August 18-22, 1864 - Kilpatrick's Raid around Atlanta, Georgia 
** Red Oak and Flint River August 19. 
** Jonesboro August 19. 
** Lovejoy Station August 20. 
** Operations at Chattahoochie River Bridge August 26-September 2. 
* Operations against Hood in North Georgia and North Alabama September 29-November 3. 
Near Lost Mountain October 4-7. New Hope Church October 5. Ordered to Cavalry Corps Headquarters, Nashville, Tenn., Nashville Campaign November-December. Battle of Nashville December 15-16. West Harpeth River December 17. At Headquarters, Cavalry Corps, Military Division Mississippi, until May, 1865. Wilson's Raid to Macon, Ga., March 22 to April 24, 1865. Capture of Selma April 2. Montgomery April 12 and Macon, Ga., April 20. Duty at Macon until November, 1865.
Companies "A" and "E" in the Defenses of Washington, D.C., May, 1861. Attached to Heintzelman's Division, Army of Northeast Virginia, to August, 1861. Headquarters. Army Potomac, to November, 1862. Advance on Manassas, Va., July 16-21, 1861. 
* April ?-August ?, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia (Companies C and E)
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 27, 1862 - Engagement at Gaines's Mill, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
Maryland Campaign September 6-22. Battle of Antietam September 16-17. Joined Regiment in Tennessee November, 1862.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 3 Officers and 59 Enlisted men killed and mortally wounded and 1 Officer and 108 Enlisted men by disease. Total 171.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 701, 704, 705, 707, 715, 717, 730, 733, 735, 736, 762, 847, 860, 897, 902, 903, 904, 1691)
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