Carpenter's Hall

Carpenters' Hall, in Independence National Historical Park in Philadelphia, Pennsylvania, is the official birthplace of the Commonwealth of Pennsylvania and a key meeting place in the early history of the United States. Completed in 1775, the two-story brick meeting hall was built for and still privately owned by the Carpenters' Company of the City and County of Philadelphia, the country's oldest extant craft guild.

The First Continental Congress met at the building in 1774 and passed and signed the Continental Association. In June 1776, it was where the Pennsylvania Provincial Conference officially declared the Province of Pennsylvania's independence from the British Empire and established the Commonwealth of Pennsylvania, mobilized the Pennsylvania militia for the American Revolutionary War, set up the machinery for the Pennsylvania Provincial Convention from July 15 to September 28 in 1776, which framed the Pennsylvania Constitution of 1776 and enabled the Declaration of Independence…

Source: Wikipedia