Antietam, in West Virginia, one of the battle of the Civil War

The battle of Antietam between the Confederate and the Yankees occured the 17th of september 1862. It was the bloodiest one-day battle of the Civil War. More soldiers were wounded ar killed in Gettysburg but it was a three-days battle. The Civil War remains America's deadliest conflict.
Delaware was a "mixed" state at this time with some parts with slavery plantations.