The Pennsylvania Commission for the United States Semiquincentennial (America250PA) was established by the legislature and Governor in 2018 to plan, encourage, develop and coordinate the commemoration of the 250th anniversary of the founding of the United States, Pennsylvania’s integral role in that event, and the impact of its people on the nation’s past, present and future. 


Pennsylvania was one of the original 13 colonies, and founded by William Penn.  Philadelphia, serving as Pennsylvania’s capital, served as the location of the first and second Continental Congress in 1774 and 1775 and served as the site in which the Declaration of Independence and the U.S. Constitution were signed.  Pennsylvania, which became a state on December 12, 1787, features the motto “Virtue, Liberty and Independence” and is known as the Keystone State.  For more PA and U.S. history, visit the links below, including the full text of the Declaration of Independence and U.S. Constitution. 


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