July 1, 1863 – Advance elements of the Federal and Confederate armies clashed in southern Pennsylvania, beginning what would grow into the most terrible battle

Exploring the most important 55 months in American history
July 1, 1863 – Advance elements of the Federal and Confederate armies clashed in southern Pennsylvania, beginning what would grow into the most terrible battle
June 30, 1863 – Cavalry from the Federal Army of the Potomac arrived at Gettysburg from the south, just as infantry from the Confederate Army
May 7, 1863 – President Abraham Lincoln and General-in-Chief Henry W. Halleck arrived at Aquia Creek to meet with Major General Joseph Hooker regarding the
May 4, 1863 – Confederates regained Marye’s Heights outside Fredericksburg, as Federals retreated across the Rappahannock River. Major General Jubal Early’s Confederates, who had been driven