Pennsylvania 23rd Volunteer Infantry (Union)
1861-07-02
Battle - Hoke's Run - Berkeley County, West Virginia
1861-08-14
Organized - Pennsylvania 23rd Volunteer Infantry - Pennsylvania
1862-05-05
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
1862-05-31
Leadership Change - Regiment - Lieutenant Colonel John Ely
Lieutenant ColonelJohn Ely
1862-05-31
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
1862-07-01
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
1862-09-01
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
1862-09-17
Leadership Change - Regiment - Colonel Thomas H. Neill
ColonelThomas H. Neill
1862-09-17
Leadership Change - Brigade - Brigadier General John Cochrane
Brigadier GeneralJohn Cochrane
1862-09-17
Leadership Change - Division - Major General Darius N. Couch
Major GeneralDarius N. Couch
1863-04-30
Leadership Change - Regiment - Colonel John Ely
ColonelJohn Ely
1863-04-30
Leadership Change - Brigade - Colonel Alexander Shaler
ColonelAlexander Shaler
1863-04-30
Leadership Change - Division - Major General John Newton
Major GeneralJohn Newton
1863-04-30
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
1863-05-03
Battle - Salem Church - Spotsylvania County, Virginia
The Battle of Salem Church was part of Chancellorsville Campaign and was fought in Spotsylvania County, Virginia on May 4rd and 4th, 1863.READ MORE
1863-05-03
Battle - Second Fredericksburg - Fredericksburg, Virginia
1863-07-01
Leadership Change - Regiment - Lieutenant Colonel John F. Glenn
Lieutenant ColonelJohn F. Glenn
1863-07-01
Leadership Change - Brigade - Brigadier General Alexander Shaler
Brigadier GeneralAlexander Shaler
1863-07-01
Leadership Change - Division - Brigadier General Frank Wheaton, and Major General John Newton
Brigadier GeneralFrank Wheaton
Major GeneralJohn Newton
1863-07-01
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
1863-11-27
Battle - Mine Run - Orange County, Virginia
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
1863-11-30
Battle - Mine Run, Virginia
1864-05-31
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
1864-06-15
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
1864-06-21
Battle - Jerusalem Plank Road - Petersburg, Virginia
1864-07-11
Leadership Change - Regiment - Colonel John F. Glenn
ColonelJohn F. Glenn
1864-07-11
Leadership Change - Brigade - Colonel Oliver Edwards
ColonelOliver Edwards
1864-07-11
Leadership Change - Division - Brigadier General David A. Russell
Brigadier GeneralDavid A. Russell
1864-07-11
Battle - Fort Stevens - District of Columbia, DC
After his victory over Maj. Gen. Lew Wallace at the Battle of Monocacy in central Maryland on July 9th, Confederate Maj. Gen. Jubal A. Early pressed his advantage and moved south toward the Union capital in Washington, DC. On July 11th, Early's exhausted Confederates reached the outskirts of Washington near Silver Spring. Skirmishers advanced to feel the fortifications that encircled the city, which at the time were manned only by Home Guards, clerks, and convalescent troops. During the night, Union reinfo…READ MORE
1864-09-08
Mustered Out - Pennsylvania 23rd Volunteer Infantry - Pennsylvania
1864-09-19
Battle - Third Winchester - Frederick County, Virginia; Winchester, Virginia
To clear the Shenandoah River valley of Confederates, Maj. Gen. Phil Sheridan moved on Winchester in mid-September 1864. Sheridan's force of over 39,000 men was more than twice the size of Maj. Gen. Jubal Early's Confederate army defending the valley. After Brig. Gen. Joseph Kershaw's division left Winchester to rejoin Robert E. Lee's army at Petersburg, Early renewed his raids on the Baltimore and Ohio Railroad at Martinsburg in the lower valley, dispersing his four remaining infantry divisions. On Septem…READ MORE
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