75th Pennsylvania Infantry Regiment

75th Pennsylvania Infantry Regiment
Unit name	75th Pennsylvania Infantry Regiment
Dates	1861–1865
Country	United States
Allegiance	Union
Branch	Infantry
Type	Regiment
Size	~716 men (initial strength)
Garrison	Pennsylvania
Battles	American Civil War, Battle of Antietam, Battle of Fredericksburg, Battle of Chancellorsville, Battle of Gettysburg, Siege of Petersburg, Appomattox Campaign
Notable commanders	Colonel Joshua B. Howell, Colonel Peter Schoenberger

75th Pennsylvania Infantry Regiment was an infantry regiment raised in Pennsylvania that served in the Union Army during the American Civil War. Organized in 1861, the regiment participated in major Eastern Theater campaigns including Antietam Campaign, Fredericksburg Campaign, and the Overland Campaign. The unit's service spanned from early volunteer recruitment through the Appomattox Campaign, contributing to Federal operations under corps and army-level commanders.

Formation and Organization

The regiment was mustered in during 1861 amid volunteer mobilization following Fort Sumter and the First Battle of Bull Run, drawing companies from counties such as Philadelphia County and Lancaster County. Recruitment linked local militia traditions with figures active in state politics like members of the Pennsylvania General Assembly and veterans of the Mexican–American War. Officers received commissions from state authorities and were assigned under brigade commanders within the Army of the Potomac. The initial establishment reflected the Union call for volunteers issued by President Abraham Lincoln and overseen by the United States War Department.

Service History

Assigned to various brigades and divisions, the regiment first performed garrison and training duties near Washington, D.C. before joining field armies in Virginia and Maryland under generals such as George B. McClellan, Ambrose Burnside, and Ulysses S. Grant. During the Peninsula Campaign, the unit operated alongside formations from New York (state), New Jersey, and Ohio (state), transferring between corps as strategic priorities shifted. The regiment took part in movements across the Rappahannock River and fought in the defensive and offensive phases of multiple campaigns, serving under corps commanders of the Army of the Potomac and later in operations related to the Siege of Petersburg and the culminating Appomattox Campaign that led to the surrender of Robert E. Lee at Appomattox Court House.

Engagements and Battles

Elements of the regiment were engaged at battles including Second Battle of Bull Run, Battle of Antietam, Battle of Fredericksburg, and Battle of Chancellorsville, and were present during the Battle of Gettysburg where units supported defensive lines against assaults from divisions led by James Longstreet and Richard S. Ewell. In the Overland Campaign the regiment faced sustained combat in engagements such as the Wilderness and Spotsylvania Court House, and later took part in trench warfare during the Siege of Petersburg against fortifications designed by engineers influenced by Continental systems like those at Vauban. During the Appomattox Campaign the regiment participated in final pursuits that culminated in operations near Appomattox Court House and the surrender terms negotiated by Ulysses S. Grant and Robert E. Lee.

Commanders and Personnel

Commanding officers included field leaders such as Colonel Joshua B. Howell, who brought experience from earlier militia service, and Colonel Peter Schoenberger, whose administrative role aided muster and recruitment. Other notable officers served as company captains and lieutenants drawn from communities represented in the regiment, linking local civic leaders to national figures like Edwin M. Stanton in matters of military administration. Noncommissioned officers and enlisted men included veterans who later appeared in postwar organizations such as the Grand Army of the Republic and local veteran societies that preserved regimental histories.

Casualties and Losses

Throughout its service the regiment suffered casualties from combat at major engagements and from disease common in Civil War armies during campaigns like the Peninsula Campaign and the winter encampments at Brandy Station. Losses reflected the deadly combination of musketry, artillery, and camp illnesses recorded across the Army of the Potomac; soldiers were evacuated to hospitals administered under the United States Sanitary Commission and transported to facilities in cities such as Philadelphia and Washington, D.C.. Casualty figures contributed to postwar veteran rolls and pension claims processed by the United States Pension Bureau.

Uniforms, Equipment, and Insignia

The regiment wore Federal uniforms typical of volunteer infantry, issued through supply depots coordinated with the United States Army Quartermaster Department and supplemented by privately purchased items from merchants in Philadelphia. Small arms included rifled muskets produced by manufacturers in places like Springfield, Massachusetts and Harper's Ferry, while accoutrements followed regulations published by the United States War Department. Regimental colors and insignia were presented in ceremonies that connected the unit to civic institutions and were later preserved by historical societies and collectors interested in militaria and Civil War relics.

Legacy and Memorials

After mustering out, veterans of the regiment participated in reunions and commemorations at battlefield sites including Antietam National Battlefield and Gettysburg National Military Park, contributing to preservation efforts led by organizations like the Gettysburg Battlefield Memorial Association and later the National Park Service. Monuments, rolls, and archival collections held in repositories such as the Pennsylvania Historical and Museum Commission and local historical societies commemorate the regiment's service, while published regimental histories and personal diaries inform scholars at institutions including Harvard University and Library of Congress collections. The regiment's legacy endures in battlefield markers, veterans' cemeteries, and civic memory in Pennsylvania communities.

Category:Units and formations of the Union Army from Pennsylvania