Englishman William Penn founded Philadelphia, Pennsylvania.
Source
The first US commercial bank, The Bank of North America, opened in Philadelphia.
Pittsburgh hosted the world's largest pinball tournament.
During the American Revolution, Lancaster in Pennsylvania became the capital of the United States for just one day.
American driller Edwin Laurentine Drake successfully drilled the first oil well in Pennsylvania, US.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
