Founded in 1717, comprises 16.5 square miles. Named for a town in Sussex, England. Site of Graeme Park, residence of Governor Sir William Keith 1717-1726. First autogiro flight in U.S. made here 1928, Pitcairn Field - site became U.S. Naval Air . . . — — Map (db m28107) HM
Built 1722 by Sir William Keith, Lieutenant Governor of the Province of Pennsylvania, 1717~1726. Also called Graeme Park, for Dr. Thomas Graeme, owner after 1737. — — Map (db m66648) HM