New York 13th Infantry (Union)

First Bull Run

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

Siege of Yorktown (1862)

Most of Gen. Joseph E. Johnston's army was not on the peninsula on April 4th when Maj. Gen. George B. McClellan departed Fortress Monroe on his Peninsula Campaign. The only force opposing the Yankee advance up the peninsula toward the Confederate capital at Richmond was Maj. Gen. John B. Magruder's small force of two divisions at Yorktown behind the Warwick River. Magruder's deceptive theatrics, conspicuously parading his men back and forth behind his defenses, convinced the Federals that his works were s…READ MORE

Brigadier GeneralJohn H. Martindale

Brigadier GeneralGeorge W. Morell

Seven Pines

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

Mechanicsville

Maj. Gen. George B. McClellan's Army of the Potomac remained northeast of Richmond for three weeks after the Battle of Seven Pines. The new commander of the Army of Northern Virginia, Gen. Robert E. Lee, took that time to reorganize his defenses of the capital city and receive the reinforcements of Maj. Gen. Thomas J. "Stonewall" Jackson's division from the Shenandoah Valley. After attacking Lee inconclusively at Oak Grove on June 25th, McClellan remained in place, with four of his five army corps south of…READ MORE

Gaines' Mill

Despite his victory over the Confederates at Beaver Dam Creek on June 26th, Maj. Gen. Fitz John Porter's Fifth Corps abandoned its position early on June 27th and established a new defensive line along Boatswain's Creek, just north of the Chickahominy River.READ MORE

Malvern Hill

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

Second Bull Run

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

ColonelElisha Marshall

ColonelJames Barnes

Major GeneralGeorge W. Morell

Antietam

The Army of the Potomac, under the command of Maj. Gen. George McClellan, mounted a series of powerful assaults against General Robert E. Lee's forces along Antietam Creek near Sharpsburg, Maryland, on September 17th, 1862.READ MORE

Shepherdstown

On September 18th, the day after the battle at Antietam, both sides remained on the battlefield too bloodied to resume fighting. That evening, lead elements of Gen. Robert E. Lee's army began to withdraw across the Potomac River back into Virginia at Boteler's Ford near Shepherdstown. Artillery on the south side of the river placed by Brig. Gen. William Pendleton covered the crossing of the remainder of Lee's army that night. On September 20th, a detachment of Maj. Gen. Fitz John Porter's Fifth Corps pushe…READ MORE

CaptainJulius Dieckmann

CaptainWilliam L. De Beck

Brigadier GeneralNathaniel C. McLean

Fredericksburg

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

CaptainWilliam Downey

Brigadier GeneralJames Barnes

Brigadier GeneralCharles Griffin

Chancellorsville

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

LieutenantWilliam Wheeler

MajorThomas W. Osborn