Today is Constitution Day in the USA. On Sept. 17, 1787, 39 delegates to the Constitutional Convention in Philadelphia signed the United States Constitution.Getting 39 delegates to sign the new Constitution was hard enough, down from the 55 who came to the convention in May, 1787. Getting the Constitution ratified would be even harder.Ratification of the newly proposed Constitution would require the consent of popularly elected conventions in at least nine of the 13 states. “To Adopt or Not to adopt?”