The first US commercial bank, The Bank of North America, opened in Philadelphia.
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Blacksmith, Patrick Lyon stole $162,821 in cash and gold from a vault at the Bank of Pennsylvania.
Thirteen Mennonite families arrived in Philadelphia from Germany.
The Women's College of Pennsylvania, US opened – making it the 2nd female medical school in America.
During the American Revolution, Lancaster in Pennsylvania became the capital of the United States for just one day.
Pennsylvania became the second state to ratify the US constitution.
