Compiled by Jim Hachtel, President
Gen. William T. Sherman Memorial Civil War Roundtable
June 24, 1863 - General Longstreet's I Corps and General A. P. Hill's III Corps cross the Potomac River into Maryland and continue on toward Pennsylvania. Near the Antietam Battlefield, skirmishing breaks out.
June 24, 1863 - With the addition of the state of West Virginia, the Union "Department of West Virginia" military district is established by General Benjamin F. Kelly.
June 24, 1863 - General Rosecrans continues to be hampered by downpours and heavy weather as he attempts to flank the Army of Tennessee. Rosecrans' Army of the Cumberland skirmishes with the Army of the Tennessee near Big Spring Branch, Tennessee.
June 24, 1863 - Admiral John A. B. Dahlgren succeeds Admiral Samuel Du Pont as commander of the South Atlantic Blockading Squadron.
June 25, 1863 - General J. E. B. Stuart encounters stiff resistance near Haymarket, Maryland when General Winfield Hancock's II Corps approaches. Stuart continues circling further east around the Union flank. This takes Stuart out of the immediate vicinity of the operation and hinders any intelligence gathering. The position of the Federal forces following the Army of Northern Virginia are unknown to Stuart and therefore unknown to General Lee.
June 25, 1863 - General Hooker sends General John Reynolds with three corps to intercept the Army of Northern Virginia as it moves north. The Federals are too late and can only follow.
June 25, 1863 - Nearly 2,200 pounds of gunpowder are exploded under the 3rd Louisiana redoubt when the Union forces tunnel under the Confederate works at Vicksburg. As the Union troops move forward, they encounter additional fortifications between the blast site and Vicksburg.
June 26, 1863 - General Jubal Early's Confederate division marches through Gettysburg en route to their position at York, Pennsylvania.
June 26, 1863 - General Stuart moves 23 miles further east around the Union right and crosses back into Virginia, near Fairfax Court House, Virginia.
June 26, 1863 - Admiral Farragut orders a heavy bombardment of Port Hudson, Louisiana.
June 27, 1863 - President Lincoln removes General Hooker as commander of the Army of the Potomac and replaces him with General George G. Meade.
June 27, 1863 - J. E. B. Stuart attempts to attack General Hooker's supply train at Fairfax Court House but meets unexpected resistance from 86 troopers from the 11th New York Cavalry. Ultimately, abandoned supplies are captured by Stuart's Cavalry with gloves, boots, and food in abundance.
June 27, 1863 - Confederate General Braxton Bragg withdraws south toward Chattanooga after skirmishing with General William Rosecrans forces at Manchester, Tennessee.
June 28, 1863 - Confederate Cavalry rides to within four miles of Pennsylvania's Capital at Harrisburg, alarming the population.
June 28, 1863 - While Stuart continues to encircle the Union forces, General R. E. Lee is startled to learn the Union Armies are gathering at Frederick, Maryland.
June 28, 1863 - Jubal Early's division enters York, Pennsylvania and demands shoes, clothes, food, and $100,000. He is given a few supplies and $28,000.
June 29, 1863 - The Army of the Potomac marches north through Maryland under the command of newly appointed General George G. Meade.
June 30, 1863 - President Lincoln resists continuing pressure to bring General George B. McClellan back to command the Army of the Potomac.
June 30, 1863 - General John F. Reynolds' division occupies the road junction at Gettysburg and is joined by a cavalry division of General John Buford's command. Confederate General Henry Heth's division is sent to Gettysburg to collect shoes but is driven off. When General Heth reports that Union forces hold the middle of Gettysburg, General A. P. Hill dismisses the report insisting that all Union forces are still in Maryland.
June 30, 1863 - Several skirmishes occur at Hanover, Pennsylvania, ten miles east of Gettysburg. These encounters are inconclusive but events rapidly lead to a concentration of troops from both sides at Gettysburg.