The Battle of Gettysburg was fought over three days from July 1 to July 3, 1863. It took place in and around Gettysburg, Pennsylvania, during the American Civil War. This battle involved the Union and Confederate armies and is considered a turning point in the war. The Union army, led by Major General George Meade, defeated Confederate General Robert E. Lee's forces. The battle resulted in the highest number of casualties in the Civil War and is known for key events like Pickett's Charge on the third day. Following the battle, Lee's army retreated south, marking the end of his invasion of the North.