139th Pennsylvania Infantry

== Regimental History and Service Record ==
Organized at Pittsburg September 1, 1862. Moved to Washington, D.C., September 1-3. Attached to 2nd Brigade, 1st Division, 4th Army Corps, Army of the Potomac, to September, 1862. 2nd Brigade, 3rd Division, 6th Army Corps, Army of the Potomac, to October, 1862. 3rd Brigade, 3rd Division, 6th Army Corps, to January, 1864. Wheaton's Brigade, Dept. of West Virginia, to March, 1864. 1st Brigade, 2nd Division, 6th Army Corps, Army of the Potomac, and Army of the Shenandoah to June, 1865.
SERVICE.--Bury dead at Bull Run, Va., September 4-7, 1862. 
* September 3-20, 1862 - The Maryland Campaign
** September 17, 1862 - Battle of Antietam, Maryland (Reserve)
At Downsville September 23-October 20. Movement to Stafford Court House October 20-November 18, and to Belle Plains December 5. Battle of Fredericksburg, Va., December 12-15. Burnside's 2nd Campaign, "Mud March," January 20-24, 1863. At Falmouth until April. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
Operations at Franklin's Crossing April 29-May 2. Maryes Heights, Fredericksburg, May 3. Salem Heights May 3-4. Banks' Ford May 4. 
* June 11-August 1, 1863 - The Gettysburg Campaign
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Pursuit of Lee July 5-24. Duty on line of the Rappahannock and Rapidan until October. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Rappahannock Station November 7. Mine Run Campaign November 26-December 2. At Harper's Ferry until March, 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, Virginia
* Before Petersburg June 17-18. 
* Jerusalem Plank Road, Weldon Railroad, June 22-23. 
* Siege of Petersburg to July 9. 
* Moved to Washington, D.C., July 9-11. 
* July 12, 1864 - Action at Fort Stevens, District of Columbia
Pursuit to Snicker's Gap July 14-24. Sheridan's Shenandoah Valley Campaign August to December. Near Strasburg August 13. Near Charlestown August 21-22. Demonstration on Gilbert's Ford, Opequan, September 13. Battle of Opequan, Winchester, September 19. Strasburg September 21. Fisher's Hill September 22. Battle of Cedar Creek October 19. Duty in the Shenandoah Valley until December. Moved to Petersburg, Va., December 9-12. Siege of Petersburg December, 1864, to April, 1865. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Fort Fisher, Petersburg, March 25. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Pursuit of Lee April 3-9. 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 21, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 10 Officers and 135 enlisted men killed and mortally wounded 
* 5 Officers and 86 enlisted men killed by disease
* Total 236	None
Fox 	
* Fox lists this unit as:
** 56th on the list of units with losses based on duration of the entire term of service of the unit (14th of the Pennsylvania troops)	
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 761, 827, 905, 916, 932, 933, 934, 936, 938, 939, 940, 941, 990, 1616)
* (Page 14)
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