John Langdon
John Langdon linked New Hampshire's wartime logistics to national politics, serving in the Continental Congress, the Constitutional Convention of 1787, and the first federal Senate.
Born June 26, 1741 / Died September 18, 1819
On June 26, 1741, in Portsmouth, Province of New Hampshire, John Langdon was born into a seafaring mercantile family. He apprenticed in maritime trade, became a successful shipowner, and moved naturally into local office as resistance to Britain sharpened. Naval logistics and provisioning made him especially valuable once war began.
Langdon served in the Continental Congress, outfitted vessels for the Revolutionary cause, and supported John Paul Jones and other naval efforts. He later represented New Hampshire at the Constitutional Convention in 1787 and then helped launch the new government in the first federal Senate. On April 30, 1789, as president pro tempore of the Senate, he had a formal role in counting the electoral votes that made George Washington president.
Langdon's career linked wartime maritime mobilization to the institutional opening of the federal republic. His work in Portsmouth and the Senate also showed how commercial towns in northern New England were integrated into national finance and politics.
Key Contributions
- On September 17, 1787, John Langdon signed the United States Constitution in Philadelphia after representing New Hampshire in the federal convention.
- John Langdon's public record is closely tied to Constitutional Convention convenes, a named event that defined the period in which John Langdon served.
Related Events
Constitutional Convention convenes
From May to September 1787, delegates in Philadelphia abandoned revision of the Articles of Confederation and drafted a new Constitution under George Washington's presidency.
United States Constitution signed
On September 17, 1787, thirty-nine delegates signed the Constitution in Philadelphia and sent the proposed frame of government to the states for ratification.
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