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Pennsylvania 40th Volunteer Infantry (Union)

6/29/61

Organized - Pennsylvania 40th Volunteer Infantry - Pennsylvania

6/26/62

Battle - Mechanicsville - Hanover Couunty, Virginia

Mechanicsville
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

6/26/62

Battle - Mechanicsville, Virginia

6/27/62

Battle - Gaines' Mill - Hanover County, Virginia

Gaines' Mill
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

6/29/62

Battle - Savage's Station - Henrico County, Virginia

6/30/62

Battle - Glendale - Henrico County, Virginia

Glendale
Glendale

Following the rear guard action at Savage's Station on June 29th, Maj. Gen. George McClellan's Army of the Potomac continued its retreat toward the safety of Harrison's Landing on the James River. On June 30th, after five days of constant fighting, the Confederate divisions of Maj. Gens. Benjamin Huger, James Longstreet, and A.P. Hill converged on the retreating Union army in the vicinity of Glendale. Longstreet's and Hill's attacks penetrated the Union defense near Willis Church, routing Brig. Gen. George…READ MORE

7/1/62

Battle - Malvern Hill - Henrico County, Virginia

Malvern Hill
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

8/9/62

Battle - Cedar Mountain - Culpeper County, Virginia

Cedar Mountain
Cedar Mountain

Maj. Gen. John Pope was placed in command of the newly-constituted Army of Virginia on June 26th. Pope's orders were to defend Washington DC and Union-held northern Virginia while the Army of the Potomac under Maj. Gen. George B. McClellan battled Robert E. Lee outside of Richmond. When McClellan was defeated at the end of the Seven Days battles less than a week later, Lee turned his attention north toward Pope while McClellan regrouped his army. Pope's three army corps were arrayed in a line from the Blu…READ MORE

8/28/62

Battle - Second Bull Run - Prince William County, Virginia

Second Bull Run
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

9/14/62

Battle - South Mountain - Frederick County, Maryland; Washington County, Maryland; Boonsboro, Maryland

South Mountain
South Mountain

After his success at Second Manassas, Gen. Robert E. Lee led the Army of Northern Virginia north across the Potomac River on an invasion of Maryland in September of 1862. Lee divided his army, sending a portion of it into western Maryland while Lieut. Gen. Stonewall Jackson's wing attempted to capture the Federal garrison at Harper's Ferry. The bold plan was jeopardized on September 13th when a mislaid copy of Lee's orders revealing the Confederates' plans was given to Union commander Maj. Gen. George B. M…READ MORE

9/17/62

Leadership Change - Regiment - Colonel Richard Coulter, and Captain David M. Cook

9/17/62

Leadership Change - Brigade - Brigadier General George L. Hartsuff, and Colonel Richard Coulter

Brigadier GeneralGeorge L. Hartsuff

ColonelRichard Coulter

9/17/62

Leadership Change - Brigade - Brigadier General George L. Hartsuff

Brigadier GeneralGeorge L. Hartsuff

9/17/62

Leadership Change - Division - Brigadier General James B. Ricketts

Brigadier GeneralJames B. Ricketts

9/17/62

Battle - Antietam - Sharpsburg, Maryland

Antietam
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

12/13/62

Battle - Fredericksburg - Fredericksburg, Virginia

Fredericksburg
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

4/30/63

Leadership Change - Regiment - Colonel Richard Coulter

4/30/63

Leadership Change - Brigade - Colonel Samuel H. Leonard

4/30/63

Leadership Change - Division - Brigadier General John C. Robinson

Brigadier GeneralJohn C. Robinson

4/30/63

Battle - Chancellorsville - Spotsylvania County, Virginia

Chancellorsville
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

7/1/63

Leadership Change - Regiment - Colonel Richard Coulter, Captain Benjamin F. Haines, and Captain John B. Overmyer

7/1/63

Leadership Change - Brigade - Brigadier General Henry Baxter

Brigadier GeneralHenry Baxter

7/1/63

Leadership Change - Regiment - Captain Benjamin F. Haines

7/1/63

Battle - Gettysburg - Gettysburg, Pennsylvania

Gettysburg
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

11/27/63

Battle - Mine Run - Orange County, Virginia

Mine Run
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

5/5/64

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

Wilderness
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

5/8/64

Battle - Spotsylvania Court House - Spotsylvania County, Virginia

Spotsylvania Court House
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

5/28/64

Battle - Totopotomoy Creek - Hanover County, Virginia

Totopotomoy Creek
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

6/13/64

Mustered Out - Pennsylvania 40th Volunteer Infantry - Pennsylvania

10/7/64

Leadership Change - Brigade - Colonel Samuel P. Spear

10/7/64

Leadership Change - Division - Brigadier General August V. Kautz

Brigadier GeneralAugust V. Kautz

10/7/64

Battle - Darbytown and New Market Roads - Henrico County, Virginia

4/1/65

Leadership Change - Regiment - Major John B. Overmyer

4/1/65

Leadership Change - Brigade - Brigadier General Henry Baxter

Brigadier GeneralHenry Baxter

4/1/65

Leadership Change - Division - undefined Bvt MG Samuel W. Crawford

4/1/65

Battle - Five Forks - Five Forks, Virginia

Five Forks
Five Forks

The Union victory along the White Oak Road on March 31st threatened to destabilize the entire Confederate line west of Petersburg. General Robert E. Lee ordered Maj. Gen. George Pickett with his infantry division and the cavalry divisions of Col. Thomas Munford, Maj. Gen. W.H.F. Lee, and Maj. Gen Thomas Rosser to hold the vital crossroads of Five Forks, along the White Oak Road five miles west of the previous fighting there. Pickett's defensive line was not well constructed, and much of his cavalry force w…READ MORE

4/9/65

Battle - Appomattox Court House - Appomattox Court House, Virginia

Appomattox Court House
Appomattox Court House

Between 26,000 and 28,000 Confederate soldiers surrendered and were paroled.READ MORE

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