Question: when was the constitution sent to the states for ratification
Answer: 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 .