Which civil war battle was considered the turning point in the east

The battle that is considered the turning point in the east during the American Civil War is the Battle of Gettysburg. It took place from July 1 to July 3, 1863, in and around the town of Gettysburg, Pennsylvania. The Union Army, under the command of General George G. Meade, successfully repelled General Robert E. Lee's Confederate Army, and it marked the first major defeat for Lee's army after a series of Confederate victories in the east. The battle resulted in high casualties for both sides, but it ultimately crippled the Confederate army, shifting the momentum in favor of the Union, and ultimately it played a significant role in the Union's victory in the war.