4th United States Artillery / Battery K

== Regimental History and Service Record ==
Attached to Artillery Reserve, Army Potomac, August, 1861, to June, 1862. Artillery Reserve, 3rd Army Corps, Army Potomac, to August, 1862. Artillery, 2nd Division, 3rd Army Corps, to May, 1863. Artillery Brigade, 3rd Army Corps, to March, 1864. Artillery Brigade, 2nd Army Corps, to June, 1865. Dept. of Washington, D. C., to August, 1865.
SERVICE.--Moved to Washington, D.C., August, 1861, and duty there until March, 1862. 
* Ordered to the Virginia Peninsula March, 1862. 
* March 17-September 2, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 25, 1862 - Engagement at Oak Grove, Virginia
*** June 30, 1862 - Engagement at Glendale, Virginia
*** Brackett's June 30. 
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
Malvern Hill August 5. Moved to Alexandria August 16-23, and duty there until November. Operations on Orange & Alexandria Railroad November 10-12. Battle of Fredericksburg, Va., December 12-15. Operations at Rappahannock Bridge and Grove Church February 5-7, 1863. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, Virginia
* June 11-August 1, 1863 - The Gettysburg CampaignNot originally referenced on unit homepage
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Wapping Heights, Manassas Gap, July 23. Bristoe Campaign October 9-22. McLean's Ford, Bull Run, October 15. Advance to the Rappahannock November 7-8. Kelly's Ford November 7. Payne's Farm November 27.
* Demonstration on the Rapidan February 6-7, 1864.
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, Virginia
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia 
** June 1-12, 1864 - Battles of Cold Harbor, VirginiaNot originally listed on Dyer summary
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road June 22, 1864. Deep Bottom July 27-29. Strawberry Plains August 14-18. Hatcher's Run October 27-28. Warren's Raid on Weldon Railroad December 7-14. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkins' House March 25. Appomattox Campaign March 28-April 9. Hatcher's Run, Boydton Road, March 30-31. White Oak Road March 31. Sutherland Station April 2. Sailor's Creek April 6. High Bridge April 7. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D. C, May. Grand Review May 23. Duty in the Defenses of Washington until August, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties 	Remarks
Dyer 	None listed	None
Fox 	None listed	
* Fox lists this unit as 2nd on the list of units "sustaining greatest loss in action" (Regular Army Light Artillery Companies) but offers no specific numbers for these commands
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 828, 897, 902, 903, 904, 905, 916, 932, 933, 934, 936, 940, 941, 1706)
* (Page 7)
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