138th Pennsylvania Infantry

== Regimental History and Service Record ==
Organized at Harrisburg August 16, 1862. Moved to Baltimore, Md., August 30, thence to Relay House. Attached to Relay House, Defenses of Baltimore, 8th Corps, Middle Dept., to February, 1863. 3rd Separate Brigade, 8th Corps, to June, 1863. Elliott's Command, 8th Corps, to July, 1863. 2nd Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac, to March, 1864. 2nd Brigade, 3rd Division. 6th Army Corps, Army of the Potomac, and Army of the Shenandoah, to June, 1865.
* April 27-May 6, 1863 - The Chancellorsville CampaignNot originally referenced on Dyer summary but listed on unit homepage
** May 1-5, 1863 - Battle of Chancellorsville, VirginiaNot originally referenced on Dyer summary but listed on unit homepage
SERVICE.--Duty at Relay House, Md., until June, 1863. Moved to Harper's Ferry, W. Va., June 16. Escort stores to Washington July 1-5. Join Division at Frederick, Md., July 7. Pursuit of Lee July 7-24. Wapping Heights July 23. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Brandy Station November 8. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Demonstration on the Rapidan February 6-7, 1864. Dirty at and near Brandy Station until May.
* 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, Virginia
** Before Petersburg June 17-18. 
** Jerusalem Plank Road, Weldon Railroad, June 22-23. 
** Siege of Petersburg until July 6. 
** Moved to Baltimore, Md., July 6-8. 
** July 9, 1864 - Battle of Monocacy, Maryland
Pursuit of Early to Snicker's Gap July 14-24. Sheridan's Shenandoah Valley Campaign August to December. Charlestown August 21-22. Battle of Opequan, Winchester, September 19. Fisher's Hill, September 22. Battle of Cedar Creek October 19. Duty at Kernstown until December. Moved to Washington, D.C., thence to Petersburg, Va., December. Siege of Petersburg December, 1864, to April, 1865. Fort Fisher, Petersburg, March 25, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Sailor's Creek April 6. Appomattox Court House April 9. Surrender of Lee and his army. March to Danville April 23-27, and duty there until May 23. March to Richmond, Va., thence to Washington, D. C., May 23-June 3, Corps review June 8. Mustered out June 23, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 6 Officers and 90 Enlisted men killed and mortally wounded and 1 Officer and 70 Enlisted men by disease. Total 167.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 763, 905, 916, 932, 933, 934, 936, 938, 939, 940, 941, 1615-1616)
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