Abner Doubleday

Major General U.S.V.

Commanded First Corps Army

of the Potomac at Gettysburg

July 1, 1863

Cadet U.S.M.A. Sept. 1, 1838. Brevet Second Lieut. Third U.S. Artillery July 1, 1842. Second Lieut. First Artillery Feb. 24, 1845. First Lieut. March 3, 1847. Captain March 3, ...

Abner Doubleday

Major General - United States Army

While a Captain in the Union Army, during the Civil War, he crossed the Potomac River, at Williamsport, in 1861 and built a breastwork, mounting three siege guns, on this hill, now known as Doubleday ...