American driller Edwin Laurentine Drake successfully drilled the first oil well in Pennsylvania, US.
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Thirteen Mennonite families arrived in Philadelphia from Germany.
America's second president John Adams was inaugurated in Philadelphia, Pennsylvania.
The first music store in America was opened in Philadelphia by Michael Hillegas.
The Portage Railroad Line in Pennsylvania built the first railroad tunnel in the US.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
