The 105th Pennsylvania Infantry Regiment was a volunteer infantry unit that served in the Union Army during the American Civil War. Organized at Harrisburg, Pennsylvania, the regiment was mustered into federal service in August 1862 for a term of three years.
Service record
- Assignment: The regiment was attached to the I Corps of the Army of the Potomac, later serving with other formations in the Eastern Theater as army organization changed.
- Major engagements: Historical records indicate that the 105th Pennsylvania participated in several key battles, including:
- The Battle of Fredericksburg (December 1862)
- The Battle of Chancellorsville (May 1863)
- The Battle of Gettysburg (July 1863)
- The Overland Campaign, notably the Battles of the Wilderness and Spotsylvania (May 1864)
- Subsequent operations in the Shenandoah Valley and the final campaigns that led to the surrender of Confederate forces.
Casualties and honors
The regiment sustained considerable losses in combat, with documented casualties at Spotsylvania and other engagements. Individual soldiers from the 105th received commendations for bravery, and a number of veterans later joined veterans’ organizations such as the Grand Army of the Republic.
Disbandment
Following the conclusion of hostilities, the 105th Pennsylvania Infantry was mustered out of service on 31 May 1865 at Washington, D.C., and the men returned to civilian life.
Legacy
The service of the 105th Pennsylvania Infantry is recorded in official Union Army rosters, regimental histories, and Civil War archival collections. Its contributions are commemorated on several Civil War monuments and in the historical literature concerning Pennsylvania’s participation in the war.
All information presented reflects data available from established historical and encyclopedic sources; no speculative details are included.
