Located at 859 County Line Road in Horsham, PA 19044

Charter Day

Charter Day

The Pennsylvania Historical & Museum Commission (PHMC) will celebrate the commonwealth’s 338th birthday on Charter Day, Sunday, March 10, with free admission to many of the historic sites and museums along the Pennsylvania Trails of History, including Graeme Park. This annual celebration of the granting of the Pennsylvania Charter to William Penn by Charles II […]

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