...e greatest battle of the war, but it was for three days, and its total of casualties on either side, terrible as it was, should be one-third larger to make the average per diem equal to the losses at Sharpsburg . Viewed by the measure of losses, Antietam was the fourth battle of the war, Spottsylvania and the Wilderness, as well as Gettysburg, exceeding it in number of killed and wounded, but each of these...