Gen. Robert E. Lee with Longstreet’s Corps entered Hagerstown Sept. 11, 1862 to make it a base for operations in Pennsylvania. On Sept. 14, 1862 this force hastened to the battle of South Mountain and then to the battlefield of Antietam.

Marker is on Frederick Street (Historic National Road) (Alternate U.S. 40) near Kenly Avenue, on the right when traveling north.

Courtesy hmdb.org

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