Pennsylvania Pennsylvania State Government Pennsylvania was named after Admiral William Penn, under Charles II. It literally means Penn’s Woods. Capital: Harrisburg Largest Cities: Allentown, Altoona, Bradford, Carbondale, Darby, Erie, Hershey, Oil City, Philadelphia, Pittsburgh, Point Marion, Reading, Scranton, State College, Wilkes-Barre Present Constitution Drafted: 1968 Entered Union: December 12, 1787 (2) Motto: “Virtue, Liberty and Independence” State Flower: Mountain Laurel State Tree: Hemlock State Bird: Ruffed Grouse State Insect: Ladybug State Dog: Great Dane State Song: “Pennsylvania” Nickname: The Keystone State