Eric Walker added Shamokin to Cities in Pennsylvania

Eric Walker added 2018-10 Pittsburgh synagogue shooting and Pittsburgh - Wikipedia and Whiskey Rebellion - Wikipedia to Pittsburgh, and added Pittsburgh to Cities in Pennsylvania

Eric Walker added 1829 Eastern State Penitentiary (ESP) and 1787 Constitutional Convention and a number of links to Philadelphia, and added Philadelphia to Cities in Pennsylvania

Eric Walker added Philadelphia and Pittsburgh to Cities in Pennsylvania, and added Cities in Pennsylvania to Pennsylvania and Cities in the United States

Eric Walker added a number of topics and a number of links to Pennsylvania, and added Pennsylvania to US states and territories

Eric Walker added a number of topics and Opinion | Something Special Is Happening in Rural America - The New York Times to Cities in the United States, and added Cities in the United States to United States and Cities in North America