105th Pennsylvania Infantry

== Regimental History and Service Record ==
Organized at Pittsburg September 9, 1861, and ordered to Washington, D.C. Attached to Jameston's Brigade, Heintzelman's Division, Army of the Potomac, to March, 1862. 1st Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac, to August, 1862. 1st Brigade, 1st Division, 3rd Army Corps, to March, 1864. 2nd Brigade, 3rd Division, 2nd Army Corps, to July, 1865.
SERVICE.--Duty in the Defenses of Washington, D. C., until March, 1862. 
* Moved to the Virginia Peninsula March 16-18. 
* March 18-September 2, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** May 5, 1862 - Battle of Williamsburg, Virginia
** May 31-June 1, 1862 - Battle of Seven Pines, 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
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
At Harrison's Landing until August 16. Movement to Centreville August 16-26. Pope's Campaign in Northern Virginia August 26-September 2. Bristoe Station or Kettle Run August 27. Buckland's Bridge, Broad Run, August 27. Battles of Groveton August 29; Bull Run August 30; Chantilly September 1. Guard fords from Monocacy River to Conrad's Ferry until October. March up the Potomac to Leesburg, thence to Falmouth, Va., October 11-November 19. Battle of Fredericksburg, Va., December 12-15. Burnside's 2nd Campaign, "Mud March," January 20-24, 1863. At Falmouth until April, Chancellorsville Campaign April 27-May 6. Battle of Chancellorsville May 1-5. 
* June 11-August 1, 1863 - The Gettysburg Campaign
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Pursuit of Lee July 5-24. Wapping Heights July 23. Duty on line of the Rappahannock until October. Bristoe Campaign October 9-22. Auburn and Bristoe October 13-14. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Mine Run Campaign November 26-December 2.
* 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 8, 1864 - Combat at Laurel Hill, Virginia
*** May 10, 1864 - Combat at Po River, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
*** May 19, 1864 - Engagement at Harris Farm, 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 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road June 22-23, 1864. Demonstration north of the James at Deep Bottom July 27-29. Deep Bottom July 27-28. Mine Explosion, Petersburg, July 30 (Reserve). Demonstration on north side of James at Deep Bottom August 13-20. Strawberry Plains August 14-18. Poplar Springs Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Warren's expedition to Hicksford December 7-12. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkins' House, Petersburg, March 25. Appomattox Campaign March 28-April 9. Boydton Road March 30-31. Crow's House March 31. Fall of Petersburg April 2. Sailor's Creek April 6. High Bridge, Farmville, April 7. Appomattox Court House April 9. Surrender of Lee and his army. At Burkesville until May. March to Washington, D.C., May 2-12. Grand Review May 23. Duty at Alexandria until July. Mustered out July 11, 1885.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 14 Officers and 231 enlisted men killed and mortally wounded 
* 1 Officer and 139 enlisted men killed by disease
* Total 384	None
Fox 	
* 14 Officers and 231 enlisted men killed and mortally wounded
* Total 245 (Combat Losses)
* Fox lists this unit as:
** 9th on the list of units "sustaining greatest loss in action" (Infantry units with over 200 casualties)
** 100th on the list of units with losses based on duration of the entire term of service of the unit (18th 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 827, 897, 898, 901, 902, 903, 904, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 1609)
* (Pages 3, 13)
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105
105