The Bill of Rights By bowlio Sep 12, 1787 George Mason introduces a Bill of RIghts Sep 17, 1787 United States Constitution Created Sep 17, 1787 Second Continental Congress Jun 21, 1788 United States Constitution Ratified Sep 5, 1789 Bill of Rights created Dec 5, 1791 Bill of Rights ratified Mar 14, 1792 All states successfully agree to the Bill of Rights