- George B. McClellan was the commander of the Army of the Potomac at Antietam.
- Robert E. Lee commanded the Army of Northern Virginia at Antietam.
- One of the great heroes at Antietam was Clara Barton.
- During the twelve hours of combat at Antietam, six generals were killed.
- Many of the citizens who lived in and around the battlefield were members of the Brethren or Dunker Church.
- You can find our more about researching your Civil War ancestors on this page.