March 2026
8
1-4 pm
Pennsylvania Charter Day
Join us for an open house at the Penrose-Strawbridge Farm and free tours at National Historic Landmark Governor Sir William Keith House next door at Graeme Park.
Penrose Strawbridge Farm | 900 Governor Road, Horsham, PA 19044 (
map)
On Sunday, March 8, Pennsylvania Historical Sites and Museums will celebrate Charter Day, the 335th birthday of Pennsylvania, when King Charles II granted William Penn the charter for his “holy experiment” in America.
As part of this celebration, our group will be hosting an open house at the restored c1721 Penrose-Strawbridge House on that day from 1-3. Our neighbors at Graeme Park will also be offering free tours of the c1721 National Historic Landmark Governor Sir William Keith House. Governor Keith served under Penn’s widow Hannah Penn and acquired most of his Horsham land from the estate of Samuel Carpenter.
The Penrose-Strawbridge House is located at 900 Governor Rd on Keith’s original plantation and is a short walk from the parking lot at Graeme Park, right off County Line Road.
