Battle of Gettysburg ends

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On the third day of the Battle of Gettysburg, Confederate General Robert E. Lee’s last attempt at breaking the Union line ends in disastrous failure, bringing the most decisive battle of the American Civil War to an end.

In June 1863, following his masterful victory at the Battle of Chancellorsville, General Lee launched his second invasion of the Union in less than a year. He led his 75,000-man Army of Northern Virginia across the Potomac River, through Maryland, and into Pennsylvania, seeking to win a major battle on Northern soil that would further dispirit the Union war effort and induce Britain or France to intervene on the Confederacy’s behalf. The 90,000-strong Army of the Potomac pursued the Confederates into Maryland, but its commander, General Joseph Hooker, was still stinging from his defeat at Chancellorsville and seemed reluctant to chase Lee further. Meanwhile, the Confederates divided their forces and investigated various targets, such as Harrisburg, the Pennsylvania capital.