1962 Event Maryland Campaign (Antietam Campaign) 1864 Event Battle of Antietam, Virginia (Spotslyvania Court House, Laurel Hill) 1863 Death Thomas Welsh, U.S. Union Brigadier-General (Antietam), dies at 39 1862 Event General Read army pulls out of Antietam Creek Virginia 1862 Event Battle of Sharpsburg (Antietam)-bloodiest day of Civil War, 23,110 die 1862 Event Battle of Antietam, bloodiest day in Civil War (Sharpsburg Md)
