Maine 4th Volunteer Infantry (Union)
6/15/61
Organized - Maine 4th Volunteer Infantry - Maine
7/21/61
Leadership Change - Division - Colonel Samuel P. Heintzelman
ColonelSamuel P. Heintzelman
7/21/61
Battle - First Bull Run - Fairfax County, Virginia; Prince William County, Virginia
One of earliest battles of the Civil War, it introduced Americans to the idea that this would likely not be a short conflict and blood would be shed:READ MORE
5/5/62
Battle - Williamsburg - York County, Virginia; James City County, Virginia; Williamsburg, Virginia
Following the Confederate withdrawal from their Yorktown position, Maj. Gen. George B. McClellan was not prepared to mount an immediate pursuit with his entire force from the siege lines he had occupied for nearly a month. Initially, he was able to send forward only a portion of his army, led by the Third Corps of Samuel P. Heitzelman, to follow Gen. Joseph E. Johnston's Confederates. Heitzelman's divisions, led by Brig. Gens. Joseph Hooker and Phil Kearny, made contact with Johnston's army four miles sout…READ MORE
5/31/62
Leadership Change - Regiment - Colonel Elijah Walker
ColonelElijah Walker
5/31/62
Leadership Change - Brigade - Brigadier General David B. Birney, and Colonel J. H. Hobart Ward
Brigadier GeneralDavid B. Birney
ColonelJ. H. Hobart Ward
5/31/62
Leadership Change - Division - Brigadier General Philip Kearny
Brigadier GeneralPhilip Kearny
5/31/62
Battle - Seven Pines - Henrico County, Virginia
Gen. Joseph E. Johnston withdrew his army from the Virginia Peninsula toward the Confederate capital of Richmond as Maj. Gen. George B. McClellan's army pursued him. By the end of May, Johnston held a defensive position seven miles east of the city on the Richmond and York River Railroad. McClellan's army facing Johnston straddled the Chickahominy River and stretched south. Capturing the initiative from his Union foe, Johnston attempted to overwhelm two Federal corps isolated south of the river. The Confed…READ MORE
7/1/62
Battle - Malvern Hill - Henrico County, Virginia
On June 30th, the retreating Federal Army of the Potomac finally stopped at the James River at the end of seven days of fighting outside of Richmond.READ MORE
8/9/62
Leadership Change - Regiment - Captain O'Neil W. Robinson
CaptainO'Neil W. Robinson
8/9/62
Leadership Change - Brigade - Captain Clermont L. Best
CaptainClermont L. Best
8/28/62
Leadership Change - Regiment - Colonel Elijah Walker
ColonelElijah Walker
8/28/62
Leadership Change - Brigade - Brigadier General David B. Birney
Brigadier GeneralDavid B. Birney
8/28/62
Leadership Change - Division - Major General Philip Kearny
Major GeneralPhilip Kearny
8/28/62
Battle - Second Bull Run - Prince William County, Virginia
After the early summer collapse of the Union Peninsula Campaign offensive to capture Richmond, Robert E. Lee sought to move his army north and threaten Washington DC before Union forces could regroup.READ MORE
9/1/62
Leadership Change - Division - Brigadier General David B. Birney, and Major General Philip Kearny
Brigadier GeneralDavid B. Birney
Major GeneralPhilip Kearny
9/1/62
Leadership Change - Division - Major General Philip Kearny
Major GeneralPhilip Kearny
9/1/62
Battle - Chantilly - Fairfax County, Virginia
Confederate Maj. Gen. "Stonewall" Jackson hoped to cut off the Union retreat from Manassas the day after the Confederate victory at the second battle fought there. Jackson's wing of Lee's army made a wide, flanking march, screened by Maj. Gen. J.E.B. Stuart's cavalry, north and then east, to take the strategically important village of Germantown. There, Maj. Gen. John Pope's only two retreat routes to Washington - the Warrenton Pike and the Little River Turnpike - converged. On September 1st, beyond Chanti…READ MORE
9/17/62
Leadership Change - Regiment - Captain O'Neill W. Robinson, and undefined Jr.
CaptainO'Neill W. Robinson
9/17/62
Leadership Change - Brigade - Captain Clermont L. Best
CaptainClermont L. Best
12/13/62
Leadership Change - Regiment - Colonel Elijah Walker
ColonelElijah Walker
12/13/62
Leadership Change - Brigade - Brigadier General J. H. Hobart Ward
Brigadier GeneralJ. H. Hobart Ward
12/13/62
Leadership Change - Division - Brigadier General David B. Birney
Brigadier GeneralDavid B. Birney
12/13/62
Battle - Fredericksburg - Fredericksburg, Virginia
In early November, Maj. Gen. Ambrose E. Burnside took command of the Army of the Potomac, and made immediate plans to move the army once again toward Richmond.READ MORE
4/30/63
Battle - Chancellorsville - Spotsylvania County, Virginia
On April 27, 1863, Maj. Gen. Joseph Hooker launched a turning movement designed to pry Robert E. Lee's Army of Northern Virginia out of its lines at Fredericksburg.READ MORE
7/1/63
Leadership Change - Regiment - Colonel Elijah Walker, Captain Edwin Libby, and Major Ebenezer Whitcomb
7/1/63
Leadership Change - Brigade - Brigadier General J. H. Hobart Ward, and Colonel Hiram Berdan
Brigadier GeneralJ. H. Hobart Ward
ColonelHiram Berdan
7/1/63
Leadership Change - Division - Brigadier General J. H. Hobart Ward, and Major General David B. Birney
Brigadier GeneralJ. H. Hobart Ward
Major GeneralDavid B. Birney
7/1/63
Leadership Change - Regiment - Colonel Elijah Walker
ColonelElijah Walker
7/1/63
Leadership Change - Regiment - Major Ebenezer Whitcomb
MajorEbenezer Whitcomb
7/1/63
Leadership Change - Division - Brigadier General J. H. Hobart Ward
Brigadier GeneralJ. H. Hobart Ward
7/1/63
Battle - Gettysburg - Gettysburg, Pennsylvania
In the summer of 1863, Confederate Gen. Robert E. Lee launched his second invasion of the Northern states. Lee sought to capitalize on recent Confederate victories and defeat the Union army on Northern soil, which he hoped would force the Lincoln administration to negotiate for peace. Lee also sought to take the war out of the ravaged Virginia farmland and gather supplies for his Army of Northern Virginia. Using the Shenandoah Valley as cover for his army, Lee was pursued first by Union Maj. Gen. Joseph Ho…READ MORE
5/5/64
Battle - Wilderness - Spotsylvania County, Virginia; Orange County, Virginia
The first battle between Lt. Gen. Ulysses S. Grant and Gen. Robert E. Lee erupted late in the morning of May 5, 1864, as Maj. Gen. Gouverneur K. Warren's Union V Corps attacked Lt. Gen. Richard S. Ewell's Second Corps on the Orange Turnpike southwest of the old Chancellorsville battlefield. Although Federal infantry managed to break through at several points, the Confederate line held. Fighting shifted to the south as Lt. Gen. A.P. Hill's Third Corps engaged Maj. Gen. Winfield S. Hancock's II Corps and ele…READ MORE
5/8/64
Battle - Spotsylvania Court House - Spotsylvania County, Virginia
Following the Battle of the Wilderness, Lieut. Gen. Ulysses S. Grant marched the Union army south with the hope of capturing Spotsylvania Court House and preventing Robert E. Lee's army from retreating further. Lee's Confederates, however, managed to get ahead of the Federals and block the road. Fighting began on May 8th, when the Union Fifth Corps under Maj. Gen. Gouverneur K. Warren and the Sixth Corps under Maj. Gen. John Sedgwick engaged Confederate Maj. Gen. Richard Anderson's First Corps at Laurel Hi…READ MORE
5/31/64
Battle - Cold Harbor - Hanover County; near Mechanicsville, Virginia
After two days of inconclusive fighting along Totopotomoy Creek northeast of Richmond, Lt. Gen. Ulysses S. Grant and Gen. Robert E. Lee turned their sights on the crossroads of Cold Harbor. Roads emanating through this critical junction led to Richmond as well as supply and reinforcement sources for the Union army. On May 31, 1864, Maj. Gen. Philip Sheridan's cavalry captured Cold Harbor. The next day, Sheridan held the crossroads against a Confederate attack. With reinforcements from both armies arriving…READ MORE
6/15/64
Battle - Second Petersburg - Petersburg, Virginia
As the Overland Campaign concluded, the strategic goals of Lieut. Gen. Ulysses S. Grant shifted from the defeat of Robert E. Lee's army in the field to eliminating the supply and communication routes to the Confederate capital at Richmond. The city of Petersburg, 24 miles south of Richmond, was the junction point of five railroads that supplied the entire upper James River region. Grant knew Petersburg was the key to the capture of Richmond and that Lee would be forced to defend it. Marching south from Co…READ MORE
6/21/64
Battle - Jerusalem Plank Road - Petersburg, Virginia
7/19/64
Mustered Out - Maine 4th Volunteer Infantry - Maine
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