Revolutionary War April 19, 1775 – September 3, 1783 By wjmitchell75 May 25, 1787 Convention https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Sep 17, 1787 Convention Concluded https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Dec 7, 1787 Delaware Was The First State To Ratify The Constitution https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Feb 1, 1788 Bill of Rights https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Jun 24, 1788 The Constitution Was Ratified June 21, 1788 https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Jan 10, 1789 First Federal Elections/Official Implementation of the Constitution https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Mar 4, 1789 First Federal Elections/Official Implementation of the Constitution https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified May 29, 1790 Constitution Was Ratified By All States https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Jul 16, 1790 The Capital Was Finally Set https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Jan 24, 1791 Land Was Designated For Construction https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified Dec 15, 1791 Bill of Rights was Ratified https://constitutioncenter.org/blog/the-day-the-constitution-was-ratified