Dates States Ratified -- US Constitution

STATE                   DATE
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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     26, 1788
New York                July     26, 1788
North Carolina          November 21, 1789
Rhode Island            May      29, 1790