Constructed between 1732 and 1756 as the State House of the Province of Pennsylvania. It was in the Assembly Room of this building that George Washington was appointed commander in chief of the Continental Army in 1775 and the Declaration of Independence was adopted on July 4, 1776. In the same room the design of the American flag was agreed upon in 1777, the Articles of Confederation were adopted in 1781, and the U. S. Constitution was drafted in 1787. It is today, a World Heritage Site.

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