The first US commercial bank, The Bank of North America, opened in Philadelphia.
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The first music store in America was opened in Philadelphia by Michael Hillegas.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
Milton S. Hershey founded Hershey's Chocolate Company in Lancaster, Pennsylvania, US.
Donald Trump survived an assassination attempt during a campaign rally in Butler, Pennsylvania.
The United States Marine Corps was founded when two battalions of Continental Marines came together in Philadelphia, Pennsylvania.
