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 Constitution of Brazil from 1995 onwards, this it had to be amended many times to get rid of impractical, contradictory or unclear provisions (but also to accommodate the economic reforms conducted by the government, for which such amendments have been sometimes criticized ). As of December 2015, this Constitution has been amended 90 times. History of the Constitution of Brazil During its independent political history, Brazil has had seven constitutions. The most recent was ratified on October 5, 1988. Prior to its independence, on September 7, 1822, Brazil had no formal Constitution, since Portugal only adopted its first Constitution on September 23, 1822,