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
Adoption of the Constitution of Ireland did not re-accredit diplomats as would be expected were the post-1937 Ireland a successor state of the previous Irish Free State. The date of the coming into operation of the Constitution was contained in Article 62, a transitory provision of the Constitution which is omitted from the official published text. Article 48 provides that the Constitution of the Irish Free State is repealed as of that date. No resolution of the Dáil was passed by the 9th Dáil, which was elected the same day as the plebiscite on the Constitution, and the Constitution came into force on 29 December 1937,