Brought to Maryland in 1634 by the first colonists on the ships Ark and Dove, this demiculverin was presented to Charles Benedict Calvert of Riversdale in 1845. — Preservation and restoration was funded by the Maryland Heritage Committee of Prince George's County in 1984 to honor the 350th Anniversary of the State of Maryland.

Marker can be reached from Riverdale Road west of Taylor Road.

Courtesy hmdb.org

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