In 1787, the United States Constitution was drafted during the Constitutional Convention held in Philadelphia. This gathering brought together delegates from twelve of the thirteen original states to address the weaknesses of the Articles of Confederation. The new Constitution aimed to create a stronger federal government while balancing power among the states. The final document was signed on September 17, 1787, and later ratified by the states. It established the framework for the U.S. government, including the separation of powers among the executive, legislative, and judicial branches. The Constitution remains a foundational legal document in American history.