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45th Pennsylvania Infantry Regiment

The 45th Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


45th Pennsylvania Volunteer Infantry
Pennsylvania flag
July 28, 1861 – July 17, 1865
United States of America
Union
Infantry
Battle of SecessionvilleBattle of South MountainBattle of AntietamBattle of FredericksburgSiege of VicksburgSiege of JacksonKnoxville CampaignRapidan CampaignBattle of the WildernessBattle of Spotsylvania Court HouseBattle of North AnnaBattle of Totopotomoy CreekBattle of Cold HarborSiege of PetersburgBattle of the CraterBattle of Globe TavernBattle of Boydton Plank RoadBattle of Fort StedmanAppomattox CampaignThird Battle of Petersburg

The 45th Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.

The 45th Pennsylvania Infantry was organized beginning July 28, 1861 and mustered in October 21, 1861 at Camp Curtin in Harrisburg, Pennsylvania for a three-year enlistment under the command of Colonel Thomas Welsh.

The 45th Pennsylvania Infantry mustered out July 17, 1865.

Attached to:

  • Jamison's Brigade, Heintzelman's Division, Army of the Potomac, to October 1861.
  • Department of the South, to July, 1862.
  • 2nd Brigade, 1st Division. IX Corps, AoP, to September, 1862.
  • 1st Brigade, 1st Division. IX Corps, AoP, to April, 1862.
  • 1st Brigade, 1st Division. IX Corps, Army of the Ohio (AoO), to June. 1863.
  • 3rd Brigade. 1st Division, IX Corps, Army of the Tennessee, to August. 1863.
  • 1st Brigade, 1st Division. IX Corps, AoO, to April, 1864.
  • 2nd Brigade, 3rd Division, IX Corps, AoP, to September.
  • 1st Brigade, 1st Division, IX Corps, AoP to October, 1864.
  • 1st Brigade, 2nd Division, IX Corps, Army of the Potomac, to July 1865.

The official list of battles in which the regiment bore a part:

(NOTE — Battles are Bolded, Italicized; campaigns are Italicized)

The regiment lost a total of 479 men during service; 13 officers and 214 enlisted men killed or mortally wounded, 252 enlisted men died of disease.

  • Colonel Thomas Welsh - promoted to brigadier general March 1, 1863

  • Colonel John I. Curtin

  • Lieutenant Colonel Francis M. Hills - commanded during the Knoxville Campaign

  • Captain Theodore Gregg - commanded during the Battle of the Crater

  • Captain Rees G. Richards, Company G — 16th Lieutenant Governor of Ohio, 1882-1884

  • Corporal Franklin Hogan, Company A — Capture of flag of 6th Virginia Infantry (C.S.A.) Second Petersburg, 30 July 1864

  • List of Pennsylvania Civil War Units

  • Pennsylvania in the Civil War

  • 45th Pennsylvania monument at Antietam Battlefield

  • NPS, Battle Unit Details: 45th Regiment, Pennsylvania Infantry

  • FamilySearch: 45th Regiment, Pennsylvania Infantry

  • Civil War Index: 45th Pennsylvania Infantry in the Civil War

  • The Civil War in the East: 45th Pennsylvania Volunteer Infantry Regiment

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