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Historical Society of Pennsylvania

Philadelphia County · dedicated 2010 · 1300 Locust St.

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Among the oldest of its kind in the nation, the special collections library holds many of the nation's important founding documents. Founded by prominent citizens in 1824 and located here since 1884, it traces America's history from the 17th century to the present.

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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