Answer:
False
Explanation:
It was not until May 29, 1790, that the last state, Rhode Island, finally ratified the Constitution.
The states and the dates of ratification are listed here, in order of ratification:
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
Hope that helps
