List of Pennsylvania state historical markers

This is a list of Pennsylvania State Historical Markers which were first placed by the Commonwealth of Pennsylvania in 1914 and are currently overseen by the Pennsylvania Historical and Museum Commission (PHMC) as part of its Historical Markers Program. Since the modern PHMC program began in 1946, there have been over 2,000 historical sites in all 67 Pennsylvania counties that are marked by an official Pennsylvania state historical marker.

History

The Historical Markers Program was authorized by the Commonwealth of Pennsylvania when it created Pennsylvania Historical Commission (PHC), the precursor of the Pennsylvania Historical and Museum Commission (PHMC), through the Act of the General Assembly No. 777, on July 25, 1913. The PHC was empowered to mark by proper monuments, tablets, or markers, places or buildings within the Commonwealth where historical events transpired.First Report of The Historical Commission of Pennsylvania, 1915

The earliest markers were bronze plaques often mounted on large stones gathered from the Pennsylvania countryside. Philadelphia architect Paul Philippe Cret designed later bronze plaques that included the state's coat of arms with text laid out within a rectangular double border. Starting in 1945, markers were cast of aluminum, used gold-colored text of raised characters on a deep blue background within a silver-colored frame, and were initially affixed to concrete posts, so as to be more easily seen by motorists alongside roads. Eventually smaller and narrower city markers were added for their better suitability in urban settings.Pennsylvania Heritage Magazine, Volume XL, Number 4, Fall 2014, A Century of Marking History: 100 Years of the PA Historical Marker Program, by John K. Robinson and Karen Galle

Listings of markers by county The following are approximate tallies of current marker listings in Pennsylvania by county. These counts are based on entries in the Pennsylvania Historical and Museum Commission's database as of August, 2020. There are yearly additions to the listings and some markers may be missing or stolen. (Approved markers)

+Markers by county County Sites Adams 45 Allegheny 156 Armstrong 13 Beaver 17 Bedford 35 Berks 66 Blair 27 Bradford 46 Bucks 79 Butler 15 Cambria 27 Cameron 8 Carbon 11 Centre 30 Chester 75 Clarion 7 Clearfield 12 Clinton 12 Columbia 9 Crawford 38 Cumberland 75 Dauphin 88 Delaware 67 Elk 4 Erie 56 Fayette 51 Forest 11 Franklin 70 Fulton 12 Greene 12 Huntingdon 23 Indiana 16 Jefferson 13 Juniata 5 Lackawanna 34 Lancaster 82 Lawrence 17 Lebanon 32 Lehigh 29 Luzerne 71 Lycoming 30 McKean 18 Mercer 20 Mifflin 12 Monroe 24 Montgomery 60 Montour 6 Northampton 75 Northumberland 32 Perry 15 Philadelphia 320 Pike 19 Potter 11 Schuylkill 26 Snyder 15 Somerset 31 Sullivan 6 Susquehanna 12 Tioga 16 Union 22 Venango 32 Warren 16 Washington 56 Wayne 15 Westmoreland 45 Wyoming 13 York 67 Total 2,509

List of Pennsylvania state historical markers

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