The Historical Society of Pennsylvania's 2015 holiday hours are now available. During inclement weather, HSP will follow the School District of Philadelphia in determining closings and delays. Evening programs will be rescheduled following early school dismissals or closings.

A Center for History & Learning

We invite you to explore the origins and diversity of Pennsylvania and the United States, from the colonial period and the nation's founding to the experience of contemporary life. Conduct research in the online catalogs, browse our exhibits and publications, and join us in preserving and understanding our heritage as a diverse and dynamic people.