New Hampshire Statehood
New Hampshire entered the constitutional Union through ratification and supplied the decisive ninth approval needed to bring the Constitution into effect.
How This State Entered The Union
Statehood is where constitutional structure meets regional history: the point where a place entered the Union as an equal state.
Admission To The Union
New Hampshire ratified the Constitution on June 21, 1788, becoming the ninth state and making the new framework operative.
Path To Statehood
Its route was through independence, statehood in the Revolution, and constitutional ratification as part of the original state system.
Why It Matters
New Hampshire matters because its ratification was numerically decisive, turning constitutional theory into a live governing order.
Read Next
Go back to the state page, then return to the larger constitutional story that made equal state membership possible.
Larger Context
Federalism and the founding era give the admission story its larger constitutional frame.