New Hampshire Ratifies the US Constitution and is the 9th State Admitted to the Union

It will be observed that New Hampshire was the ninth State in order of time to ratify the Constitution, which thereupon, in accordance with Article VII thereof, became binding upon the nine States which ratified it-Delaware, Pennsylvania, New Jersey, Georgia, Connecticut, Massachusetts, Maryland, South Carolina, and New Hampshire.

http://avalon.law.yale.edu/18th_century/ratnh.asp