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
June 23, 1863 – Confederate Major General Jeb Stuart planned to atone for his near-defeat at Brandy Station, but he disrupted General Robert E. Lee’s
June 20, 1863 – Federal and Confederate cavalries dueled as the Confederate Army of Northern Virginia entered Pennsylvania and panic gripped the region. With a
June 15, 1863 – The vanguard of the Confederate Army of Northern Virginia attacked the supposedly impregnable Federal defenses at Winchester, precipitating a Federal disaster.
June 10, 1863 – Major General Joseph Hooker put the Federal Army of the Potomac in motion as General Robert E. Lee’s Confederate Army of