Pennsylvania became the 2nd state of the Union on December 12, 1787! It’s named after William Penn and the Latin word for “forest,” but you can also call it The Keystone State! Its capital is Harrisburg, and its largest city is Philadelphia! Pennsylvania’s state motto is “Virtue, Liberty and Independence!” This state is famous as the birthplace of the Declaration of Independence and U.S. Constitution, home of the Liberty Bell, and site of the Battle of Gettysburg and Washington’s rough winter at Valley Forge!