The 4th Maine Volunteer Infantry Regiment was assembled in Rockland, Maine on By May 20th, 1861 with Colonel Hiram G. Berry as it's commanding officer. He received four Knox County companies, one from Searsport, Winterport, Wiscasset, and Damariscotta, and two from Belfast. In all, 1,085 men, including a regimental band, were mustered. The regiment was mustered out of service July 19th, 1864, with the expiration of their term. The veteran volunteers and recruits were transferred to 19th Maine Infantry. Of the 1440 men that served in the regiment during the war 170 men were killed in action or died of wounds received in battle. An additional 443 were wounded, 137 men perished of disease, and 40 men expired in Confederate prisons.

Engagements

• First Bull Run
  First Battle of Bull Run
  First Battle of Bull Run, also known as First Manassas , was fought on July 21, 1861, in Prince William County, Virginia, near the City of Manassas...
  
  
• Peninsular Campaign
  • Yorktown
  • Williamsburg
  • Seven Pines
  • Gaines Mill
  • White Oak Swamp
  • Malvern Hill
• Northern Virginia Campaign
  Northern Virginia Campaign
  The Northern Virginia Campaign, also known as the Second Bull Run Campaign or Second Manassas Campaign, was a series of battles fought in Virginia during August and September 1862 in the Eastern Theater of the American Civil War. Confederate General Robert E...
  
  
  • Second Bull Run
    Second Battle of Bull Run
    The Second Battle of Bull Run or Second Manassas was fought August 28–30, 1862, as part of the American Civil War. It was the culmination of an offensive campaign waged by Confederate Gen. Robert E. Lee's Army of Northern Virginia against Union Maj. Gen...
    
    
  • Chantilly
• Fredericksburg
  Battle of Fredericksburg
  The Battle of Fredericksburg was fought December 11–15, 1862, in and around Fredericksburg, Virginia, between General Robert E. Lee's Confederate Army of Northern Virginia and the Union Army of the Potomac, commanded by Maj. Gen. Ambrose E. Burnside...
  
  
• Chancellorsville
  Battle of Chancellorsville
  The Battle of Chancellorsville was a major battle of the American Civil War, and the principal engagement of the Chancellorsville Campaign. It was fought from April 30 to May 6, 1863, in Spotsylvania County, Virginia, near the village of Chancellorsville. Two related battles were fought nearby on...
  
  
• Gettysburg
  Battle of Gettysburg
  The Battle of Gettysburg , was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania. The battle with the largest number of casualties in the American Civil War, it is often described as the war's turning point. Union Maj. Gen. George Gordon Meade's Army of the Potomac...
  
  
• Bristoe Campaign
  Bristoe Campaign
  The Bristoe Campaign was a series of minor battles fought in Virginia during October and November 1863, in the American Civil War. Maj. Gen. George G. Meade, commanding the Union Army of the Potomac, began to maneuver in an unsuccessful attempt to defeat Gen. Robert E. Lee's Army of Northern...
  
  
  • Wapping Heights
  • Kelly's Ford
• Mine Run
• Wilderness
  Battle of the Wilderness
  The Battle of the Wilderness, fought May 5–7, 1864, was the first battle of Lt. Gen. Ulysses S. Grant's 1864 Virginia Overland Campaign against Gen. Robert E. Lee and the Confederate Army of Northern Virginia. Both armies suffered heavy casualties, a harbinger of a bloody war of attrition by...
  
  
• Spotsylvania
  Battle of Spotsylvania Court House
  The Battle of Spotsylvania Court House, sometimes simply referred to as the Battle of Spotsylvania , was the second major battle in Lt. Gen. Ulysses S. Grant's 1864 Overland Campaign of the American Civil War. Following the bloody but inconclusive Battle of the Wilderness, Grant's army disengaged...
  
  
• Po River
• North Anna
• Totopotomy
• Cold Harbor
  Battle of Cold Harbor
  The Battle of Cold Harbor was fought from May 31 to June 12, 1864 . It was one of the final battles of Union Lt. Gen. Ulysses S. Grant's Overland Campaign during the American Civil War, and is remembered as one of American history's bloodiest, most lopsided battles...
  
  

Casualties and total strength

The 4th Maine enrolled 1,440 men during its existence. 170 men were killed in action or died of wounds received in battle, with another 443 wounded. An additional 137 men died of disease, and 40 men died in Confederate prisons.

See also

• List of Maine Civil War units
• Maine in the American Civil War
  Maine in the American Civil War
  During the American Civil War, the state of Maine was a source of military manpower, supplies, ships, arms, and political support for the Union Army...