The Governor John Langdon House, also known as Governor John Langdon Mansion was built in 1784 by John Langdon.
Langdon was a merchant, shipbuilder, American Revolutionary War general, signer of the United States Constitution, and three-term President (now termed governor) of New Hampshire.
The house was declared a National Historic Landmark in 1974.
Homes - Historic
Links: en.wikipedia.org
By: neotrix