Happy Independence Day.
Pennsylvania is a hot bed of US history, before and after the war for Independence.
The Whiskey Rebellion, the French and Indian War, the Revolutionary War, the war between the States/War of Northern Agression/Civil War (Pick your favorite), among a lot of other things. The western part of what is now the Commonwealth of Pennsylvania was still the frontier at the time of the Revolutionary War period. The Point in Pittsburgh was where the French fort Fort Duquesne was and s contested territory between the indians, French, and the British. Think of the movies Last of the Mohicans and The Patriot. There are locations here that still have French names, even if us Americans have butchered the pronunciation.