American driller Edwin Laurentine Drake successfully drilled the first oil well in Pennsylvania, US.
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The first US commercial bank, The Bank of North America, opened in Philadelphia.
Pennsylvania became the second state to ratify the US constitution.
The Portage Railroad Line in Pennsylvania built the first railroad tunnel in the US.
The United States Marine Corps was founded when two battalions of Continental Marines came together in Philadelphia, Pennsylvania.
The first Continental Congress meeting was held in Philadelphia, US.
