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
History of the Connecticut Constitution from the constitution that Mississippi had created a year earlier in 1817. After the remainder of the constitution was drafted, the convention approved the document by a two-to-one margin on September 16, 1818. The voters were given three weeks to consider the proposed constitution. A vote was held on October 5. A small majority cast their ballots in favor of the constitution, with the resolution passing 13,918 to 12,364. The ultimate vote proved the importance of requiring only a simple majority's approval, for a sixty or eighty percent requirement would not have been met. As a result of the new