Setting Boundaries: The Penn-Baltimore Agreement

By 1730 violence had broken out between Pennsylvania and Maryland colonists over conflicting border claims. On May 10, 1732, Charles Calvert (1699–1751), Fifth Lord Baltimore and proprietary governor of Maryland, established a provisional agreement with William Penn’s sons, John (1700–46), Thomas (1702–75) and Richard Sr. (1706–71), proprietors of Pennsylvania, to survey their mutual border. At...
read more