Capt. John C. Tidball

Historical marker location:

18422 Shepherdstown Pike, Sharpsburg, Maryland

( Marker can be reached from Shepherdstown Pike (Maryland Route 34) ½ mile east of Richardson Avenue, on the left when traveling east.)

Battery A, 2nd United States Artillery.

Maryland was a border state during the Civil War: During the Civil War, Maryland was a border state that remained in the Union but had many sympathizers with the Confederacy. The state was strategically important because it was located between Washington D.C. and the Confederate capital of Richmond, Virginia.