|Welcome to Pennsylvania! The Keystone State. Our capital city is Harrisburg! There are many things to do here! Did you know that the Hershey's Chocolate factory is located here? That's right! In Hershey Pa, the Chocolate Capital of the US! Philadelphia, Pa became home to the first computer in 1946. Philadelphia is also the city where Betsy Ross made the first American Flag. In 1909 the first baseball stadium was built in Pittsburgh, Pa. Pennsylvania's state bird is the Ruffed Grouse and our state song is "Pennsylvania". Our state is also home to the cheesesteak sandwich, water ice, soft pretzels, and Tastykakes!