Robert Blair Campbell / John Campbell

Historical marker location:

Blenheim, South Carolina

( Marker is at the intersection of South Main Street (State Highway 38) and East High Street (State Highway 381) on South Main Street.)

Marker installed: 1972

The H.L. Hunley, a Confederate submarine that was the first submarine to sink an enemy warship in combat, was built in South Carolina. The Hunley sank the Union ship USS Housatonic in Charleston Harbor in 1864, but the submarine itself was lost at sea shortly after the attack.