The Battle of Gettysburg was fought from July 1 to July 3, 1863. It is often regarded as the turning point of the American Civil War. The battle took place in and around the town of Gettysburg, Pennsylvania, and saw the largest number of casualties in the war. The Union Army, commanded by General George G. Meade, faced off against the Confederate Army led by General Robert E. Lee. The Union's victory at Gettysburg halted Lee's invasion of the North and marked a significant shift in momentum towards the Union's favor in the subsequent years of the war.