Timeline of drafting and ratification of the United States Constitution Timeline of drafting and ratification of the United States Constitution The drafting of the Constitution of the United States began on May 25, 1787, when the Constitutional Convention met for the first time with a quorum at the Pennsylvania State House (now Independence Hall) in Philadelphia, Pennsylvania to revise the Articles of Confederation, and ended on September 17, 1787, the day the Constitution drafted by the convention's delegates to replace the Articles was adopted and signed. The ratification process for the Constitution began that day, and ended when the final state, Rhode Island, ratified it on May 29, 1790. In
Signing of the United States Constitution written by Gouverneur Morris so as to make the constitution seem unanimous. The committee also presented a proposed letter to accompany the constitution when delivered to the Congress of the Confederation. The final document, engrossed by Jacob Shallus, was taken up on Monday, September 17, at the Convention's final session. Several delegates were disappointed by the numerous compromises contained in the final document, believing that they had impaired its quality. In all, twelve of the thirteen states sent delegates to the Constitutional Convention; a total of 74 were named, 55 attended and 39 signed. Several attendees left before the signing