Delaware – December 7, 1787
Pennsylvania – December 12, 1787
New Jersey – December 18, 1787
Georgia – January 2, 1788
Connecticut – January 9, 1788
Massachusetts – February 6, 1788
Maryland – April 28, 1788
South Carolina – May 23, 1788
New Hampshire – June 21, 1788
Virginia – June 25, 1788
New York – July 26, 1788
North Carolina – November 21, 1789
Rhode Island – May 29, 1790