Philadelphia is home to the first U.S. library.
Philadelphia is the birthplace of the United States Marine Corps , and is also the home of many U.S. firsts , including the first library -LRB- 1731 -RRB- , first hospital -LRB- 1751 -RRB- and medical school -LRB- 1765 -RRB- , first Capital -LRB- 1777 -RRB- , first stock exchange -LRB- 1790 -RRB- , first zoo -LRB- 1874 -RRB- , and first business school -LRB- 1881 -RRB- .	Philadelphia	Philadelphia County, Pennsylvania	United States Marine Corps	United States Marine Corps	firsts	List of Pennsylvania firsts	library	Library Company of Philadelphia	hospital	Pennsylvania Hospital	medical school	Perelman School of Medicine at the University of Pennsylvania	Capital	Carpenters' Hall	stock exchange	Philadelphia Stock Exchange	zoo	Philadelphia Zoo	business school	Wharton School of the University of Pennsylvania
