The first US commercial bank, The Bank of North America, opened in Philadelphia.
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Harriet Tubman escaped from slavery.
American driller Edwin Laurentine Drake successfully drilled the first oil well in Pennsylvania, US.
During the American Revolution, Lancaster in Pennsylvania became the capital of the United States for just one day.
The Women's College of Pennsylvania, US opened – making it the 2nd female medical school in America.
The first Continental Congress meeting was held in Philadelphia, US.
