The famous battle that marked the turning point in the American Civil War is the Battle of Gettysburg, fought from July 1 to July 3, 1863. This battle was a crucial engagement between the Union and Confederate forces and is considered one of the war's most significant confrontations. The Union Army, led by General George G. Meade, successfully repelled the Confederate Army under General Robert E. Lee. The defeat halted Lee's invasion of the North and shifted the momentum in favor of the Union. The battle resulted in significant casualties and is often commemorated for its impact on the war and for President Abraham Lincoln's subsequent Gettysburg Address.