1st United States Artillery / Battery L

== Regimental History and Service Record ==
* Duty at Fort Duncan, Eagle Pass, Texas, January, 1861
* Moved to Fort Jefferson, Fla., February 20, 1861, and to Fort Pickens, Fla. May 24, 1861
* Attached to Department of Northeastern Virginia / 3rd Division (Heintzelman) / 1st Brigade (Franklin), Brigaded with:No mention of this designation on ACWR 1696.
** (I) 5th Massachusetts Infantry
** 11th Massachusetts Infantry
** 1st Minnesota Infantry
* Attached to District Fort Pickens and Pensacola, Fla., Dept. South, to September, 1862
* Defenses New Orleans, La., Dept. Gulf, to December, 1862
* Grover's Division, Dept. of the Gulf, to January, 1863
* Artillery, 4th Division, 19th Army Corps, Dept. Gulf, to August, 1863
* Artillery Reserve, 19th Army Corps, to January, 1864
* Artillery, 1st Division, 19th Army Corps, to August, 1864
* Defenses Washington, 22nd Army Corps, August, 1864
* Horse Artillery, Army Shenandoah, Middle Military Division, to December, 1864
* Horse Artillery (Reserve), Army Shenandoah, to April, 1865. Cavalry Brigade, Army Shenandoah.
SERVICE.--Duty at Fort Pickens, Fla., until May, 1862. Bombardment of Forts McRae and Barrancas, Pensacola Harbor, November 22-23, 1861, and January 1, 1862. Reconnaissance on Santa Rosa Island January 27-31, 1861. Capture of Forts McRae and Barrancas May 9. Moved to Pensacola May 13, and duty there until August. Moved to New Orleans, La., August 30-September 3, and duty there until December. Moved to Baton Rouge, La., and duty there until March, 1863. Expedition to Port Hudson March 7-27. Operations in Western Louisiana April 9-May 14. 
* April 11-20, 1863 - The (I) Bayou Teche Campaign
Fort Bisland April 12-13. Porter's and McWilliams' Plantation at Indian Bend April 14. Irish Bend April 14. Bayou Vermillion April 17. Expedition to Breux Bridge and Opelousas April 17-21. Expedition to Alexandria and Simsport May 5-16. Moved to Port Hudson May 18-23. Siege of Port Hudson May 24-July 9. Assaults on Port Hudson May 27 and June 14. Surrender of Port Hudson July 9. Moved to Baton Rouge July 13-August 2. Sabine Pass Expedition September 4-12. 
* October 3-November 30, 1863 - The (II) Bayou Teche Campaign 
At New Iberia until December. Moved to New Orleans, La., and duty there until March, 1864. 
* March 10-May 22, 1864 - The Red River Campaign
** March 14-26, 1864 - Advance from Franklin, Louisiana to Alexandria, Louisiana 
** Battle of Sabine Cross Roads April 8. 
** Pleasant Hill April 9. 
** Monett's Ferry, Cane River Crossing, April 23. 
** At Alexandria during construction of dam April 30-May 10. 
** May 13-20, 1864 - Retreat from Alexandria, Louisiana to Morganza, Louisiana
Marksville May 15. Avoyelle's Prairie, Mansura, May 16. At Morganza until June. Moved to New York, thence to Washington, D.C., July 27-August 5. Sheridan's Shenandoah Valley Campaign August to November. Near Kearneysville August 25. Leetown and Smithfield August 28. Smithfield Crossing, Opequan, August 29. Savior's Ford, Opequan, September 15. Battle of Opequan, Winchester, September 19. Fisher's Hill September 21. 
* September 22, 1864 - Skirmish near Milford, Virginia
Mt. Jackson September 23-24. Port Republic September 26-27. Battle of Cedar Creek October 19. Duty in the Shenandoah Valley and in the Defenses of Washington, D.C., until August, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
== Legacy ==
== Notes ==
== Sources == 
* (Pages 745, 749, 750, 751, 753, 953, 1696)
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