The 28th Pennsylvania Infantry Regiment lost 6 officers and 151 enlisted men killed or mortally wounded and 3 officers and 124 enlisted men to disease during the Civil War. It is honored by two monuments at Gettysburg.

June 28 Fifteen companies were organized at Philadelphia and mustered in under Colonel John Geary, Lieutenant Colonel Gabriel De Korponey and Major Hector Tynsdale. The regiment was uniformed and equipped at Colonel Geary’s expense, being provided with gray cloth uniforms and Enfield rifles. Enough surplus recruits were available to form Knap’s Battery.
July 27 Ten companies moved via Baltimore, Md. to Harper’s Ferry. Attached to Geo. H. Thomas’ Brigade, Dept. of the Shenandoah. Duty at Sandy Hook, opposite Harper’s Ferry.
August Assigned to 1st Brigade, Banks’ Division, Dept. of the Shenandoah
August 13 Moved to Point of Rocks, Md., and guard frontier from Nolan’s Ferry to Antietam Aqueduct
September 15 Pritchard’s Mills, Va. (Companies B, D and I)
September 24 Point of Rocks
October 2 Knoxville
October Attached to Geary’s Independent Brigade, Banks’ Division, Army of the Potomac
October 16 Bolivar Heights (Cos. A, D, F, G)
October 30 Nolan’s Ferry
November 1 Captain Ario Pardee of Company A promoted to major
November 10 Berlin
December 19 Point of Rocks
February 24-25 Crossed the Potomac River at Sandy Hook. Six men of Company P were drowned when their boat overturned.
February 25-May 6 Operations in Loudon County, Va.
February 26 Occupation of Bolivar Heights
March 1 Lovettsville
March Attached to 1st Brigade, 1st Division, Banks’ 5th Army Corps
March 7 Wheatland
March 8 Occupation of Leesburg
March 14 Upperville
March 15 Ashby’s Gap
March 15-20 Capture of Rectortown, Piedmont, Markham, Linden and Front Royal
March 27-28 Operations about Middleburg and White Plains
April 2 Thoroughfare Gap
April 6 Warrenton
April Attached to Geary’s Independent Brigade, Dept. of the Shenandoah
April 14 Near Piedmont
April 25 Colonel Geary was promoted to Brigadier General, Lieutenant Colonel De Korponay to colonel and command of the regiment., Major Tyndale to lieutenant colonel and Captain Robert Warden of Company B to major
May 15 Linden (Company O)
May 16 Guard railroad from White Plains to Manassas
May 24 Reconnaissance from Front Royal to Browntown
May 25 Guard railroad and gaps of the Blue Ridge
June Attached to 2nd Brigade, 1st Division, 2nd Corps, Army of Virginia
June 29 Joined Banks at Middletown
June 30 Major Warden died
July 1 Captain William Raphael of Company C was promoted to major
August 9 Reconnaissance to Thoroughfare Mountain
August Attached to 1st Brigade, 2nd Division, 2nd Corps, Army of Virginia
August 16-September 2 Pope’s Campaign in Northern Virginia
August 24 White Sulphur Springs
August 30 Bull Run
September 6-24 Maryland Campaign; attached to 1st Brigade, 2nd Division, 12th Army Corps, Army of the Potomac
September 16-17
Battle of Antietam

Major Pardee commanded the regiment while
Colonel Tyndale took command of the brigade in severe fighting in the Cornfield. It captured two guns and five flags, losing 266 men. Captain Peter Laws and Second Lieutenant Joseph Markle were killed and Lieutenant Colonel Tyndale and Captains James Fitzpatrick and William Jordan were wounded.

Corporal Jacob G. Orth of Company D was awarded the medal of honor for capturing the flag of the 7th South Carolina Infantry, although he had been wounded in the shoulder.

September-December Duty at Bolivar Heights
October 9 Companies L – P were detched to serve as the nucleus of the 147th Pennsylvania Infantry, with Major Ario Pardee promoted to lieutenant colonel of the 147th
October 21 Reconnaissance to Lovettsville
November 9 Reconnaissance to Ripon, W. Va.
November 29 Lieutenant Colonel Tyndale promoted to brigadier general
December 2-6 Reconnaissance to Winchester
December 10-14 Moved to Fredericksburg, Va.
December At Stafford Court House
January 15 Major Raphail resigned and Captain Lansfield Chapman of Company E was promoted to major
January 20-24 “Mud March”
March 5 Captain Thomas J. Ahl of Company H was promoted to colonel, replacing Colonel De Korponay, who was discharged on a surgeon’s certificate. The regiment’s Enfield rifles were exchanged for Springfield rifles.
April 27-May 6 Chancellorsville Campaign
April 30 Old Wilderness Tavern
May 1-5
Battle of Chancellorsville

The regiment lost over a hundred casualties out of the three hundred engaged. Major Lansfield Chapman, commanding the regiment, and First Lieutenant William Shields were killed. Captains Charles Borbridge and William Jordan and First Lieutenants Alfred Colgan and Charles Kennedy were wounded.

June 11-July 24 Gettysburg Campaign
July 1-3
Battle of Gettysburg

The regiment was commanded by Captain John H. Flynn. It brought 370 men to the field, losing 3 killed, 23 wounded (including Captain Flynn) and 2 missing.

From the Slocum Avenue monument: “Arrived at 5 p.m. July 1st and went into position on the ridge north of Little Round Top. At 6:30 a.m. July 2nd moved to Culp’s Hill where the regiment advanced to Rock Creek to support the skirmish line. At dark retired and moved with the Brigade. Returned at about 3 a.m. July 3rd and at 8 a.m. advanced and occupied the works from 4 p.m. to 10 p.m.”

From the Rock Creek monument: “The regiment took position here July 2nd abut 8 a.m. Deployed as skirmishers and was engaged with the enemy during the day. Remained until 7 p.m. when it was ordered to rejoin First Brigade”

July 13 Fair Play, Md.
July – September Duty on line of the Rapidan
September 24-October 3 Movement to Bridgeport, Ala.; Transferred to Army of the Cumberland
October 26-29 Reopening Tennessee River
October 28 Companies L, M, N and O transferred to 147th Pennsylvania
October 28-29 Battle of Wauhatchie, Tenn.
November 23-27 Chattanooga-Ringgold Campaign
November 23-24 Battles of Lookout Mountain
November 25 Mission Ridge
November 27
Ringgold Gap, Taylor’s Ridge

First Lieutenant Pete Katlor was mortally wounded

December Guard duty on Nashville & Chattanooga Railroad
December 12 Captain Flynn was promoted to lieutenant colonel
December 24 Regiment reenlisted
January – February Veterans on furlough
March 18 Colonel Ahl resigned
March 27 Captain James Fizpatrick of Company A was promoted to major
April Attached to 1st Brigade, 2nd Division, 20th Army Corps, Army of the Cumberland
April 12-16 Expedition down the Tennessee River to Triana
May 1 Atlanta Campaign
May 5-13 Demonstration on Rocky Faced Ridge and Dalton
May 8
Dug Gap, or Mill Springs

Major Fitzpatrick was wounded

May 14-15 Battle of Resaca
May 19 Near Cassville
May 22-25 Advance on Dallas
May 25 New Hope Church
May 25-June 5 Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills
June 9 Lieutenant Colonel Flynn was promoted to colonel
June 10-July 2 Operations about Marietta and against Kenesaw Mountain
June 11-14 Pine Hill
June 15-17 Lost Mountain
June 15
Gilgal, or Golgotha Church

Captain Alfred Colgan of Company I was wounded for the second time, and eventually discharged

June 17 Muddy Creek
June 19 Noyes Creek
June 22 Kolb’s Farm
June 27 Assault on Kenesaw
July 4 Ruff’s Station or Smyrna Camp Ground
July 5-17 Chattahoochie River
July 19-20
Peach Tree Creek

Captain Frank Bonsal wounded

July 22 Siege of Atlanta
August 9 Major Fitzpatrick promoted to lieutenant colonel
August 26-September 2 Operations at Chattahoochie River Bridge
September 2-November 15 Occupation of Atlanta
November 9 Whitehall Road, near Atlanta
November 15-December 10 March to the sea
December 10-21 Siege of Savannah
January to April Campaign of the Carolinas
February 12-13 North Edisto, S. C.
February 15 Red Bank Creek
February 15 Congaree Creek
March 16 Averysboro, N. C.
March 19-21 Battle of Bentonville
March 24 Occupation of Goldsboro. Captain George Martin died.
April 9-13 Advance on Raleigh
April 14 Occupation of Raleigh
April 26 Bennett’s House. Surrender of Johnston and his army.
April 29-May 20 March to Washington, D.C., via Richmond, Va.
May 24 Grand Review
June Duty in the Dept. of Washington attached to 3rd Brigade, Bartlett’s Division, 22nd Corps, Dept. of Washington
June 1 Captain Jacob Arner promoted to major
July 18 Mustered out under Lieutenant Colonel Fitzpatrick and Major Arnor