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New York 12th Infantry (Union)

1861-05-08

Organized - New York 12th Infantry - New York

1861-07-18

Battle - Blackburn's Ford - Prince William County, Virginia; Fairfax County, Virginia

1861-07-21

Battle - First Bull Run - Fairfax County, Virginia; Prince William County, Virginia

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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

1862-04-05

Battle - Siege of Yorktown (1862) - York County, Virginia; Newport News, Virginia

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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

1862-05-27

Leadership Change - Brigade - Brigadier General Daniel Butterfield

Brigadier GeneralDaniel Butterfield

1862-05-27

Leadership Change - Division - Brigadier General George W. Morell

Brigadier GeneralGeorge W. Morell

1862-05-27

Battle - Hanover Court House - Hanover County, Virginia

1862-05-31

Battle - Seven Pines - Henrico County, Virginia

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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

1862-06-27

Battle - Gaines' Mill - Hanover County, Virginia

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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

1862-06-30

Battle - White Oak Swamp - Henrico County, Virginia

1862-07-01

Battle - Malvern Hill - Henrico County, Virginia

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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

1862-08-28

Battle - Second Bull Run - Prince William County, Virginia

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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

1862-09-17

Leadership Change - Regiment - Captain William Huson

1862-09-17

Leadership Change - Brigade - Colonel Thomas B. W. Stockton

1862-09-17

Leadership Change - Division - Major General George W. Morell

Major GeneralGeorge W. Morell

1862-09-17

Battle - Antietam - Sharpsburg, Maryland

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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

1862-09-19

Battle - Shepherdstown - Jefferson County, West Virginia

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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

1862-12-13

Battle - Fredericksburg - Fredericksburg, Virginia

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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

1863-04-30

Leadership Change - Division - Brigadier General Charles Griffin

Brigadier GeneralCharles Griffin

1863-04-30

Battle - Chancellorsville - Spotsylvania County, Virginia

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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

1863-07-01

Battle - Gettysburg - Gettysburg, Pennsylvania

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Gettysburg

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

1863-11-27

Battle - Mine Run - Orange County, Virginia

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Mine Run

After the inconclusive Bristoe Campaign in the fall of 1863, Maj. Gen. George G. Meade planned one more offensive against Gen. Robert E. Lee in northern Virginia before winter weather ended military operations. In late November, Meade attempted to steal a march southeast from Culpeper Courthouse, turn south through the Wilderness and strike the right flank of the Confederate army south of the Rapidan River. On November 27th, Maj. Gen. Jubal A. Early, in command of Ewell's Corps, marched east on the Orange…READ MORE

1864-05-05

Battle - Wilderness - Spotsylvania County, Virginia; Orange County, Virginia

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Wilderness

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

1864-05-08

Battle - Spotsylvania Court House - Spotsylvania County, Virginia

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Spotsylvania Court House

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

1864-05-23

Battle - North Anna - Caroline County, Virginia; Hanover County, Virginia

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North Anna

Following the stalemate at Spotsylvania Court House, Grant was determined to continue his offensive against Lee's Army of Northern Virginia. After a failed attempt to bait Lee out of his earthworks, he found the Confederates entrenched on the south side of the North Anna River, where Lee's "inverted V" defenses forced Grant to divide his army into three parts in order to attack. On May 23rd, one of Maj. Gen. A.P. Hill's divisions assaulted the isolated Fifth Corps on the Union right which had crossed the r…READ MORE

1864-05-28

Battle - Totopotomoy Creek - Hanover County, Virginia

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Totopotomoy Creek

Operations along Totopotomoy Creek northeast of Richmond opened with cavalry combat at the Pamunkey River crossing at Dabney's Ferry (near Hanovertown) and at Crump's Creek on May 27th. During the cavalry fight at Haw's Shop on May 28th, Union and Confederate infantry arrived in the vicinity and the Confederates entrenched behind Totopotomoy Creek. On the 29th, the Union army Second, Ninth, and Fifth Corps probed Lee's position along the creek, while the Sixth Corps felt its way toward Hanover Court House.…READ MORE

1864-06-02

Mustered Out - New York 12th Infantry - New York

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