Fort Constitution | |
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| Location | New Castle, New Hampshire |
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| Coordinates | 43°04′17″N 70°42′34″W / 43.0715°N 70.7095°W / 43.0715; -70.7095 |
| Built | Early 17th century |
| NRHP reference No. | 73000169[1] |
| Added to NRHP | July 09, 1973 |
Fort William and Mary was a colonial fortification in Britain's worldwide system of defenses, defended by soldiers of the Province of New Hampshire who reported directly to the royal governor. The fort, originally known as "The Castle," was situated on the island of New Castle, New Hampshire, at the mouth of the Piscataqua River estuary. It was renamed Fort William and Mary circa 1692, after the accession of the monarchs William III and Mary II to the British throne.[2] It was captured by Patriot forces, recaptured, and later abandoned by the British in the Revolutionary War. The fort was renamed Fort Constitution in 1808 following rebuilding. The fort was further rebuilt and expanded through 1899 and served actively through World War II.[3]
First fortified by the British prior to 1632, the fort guarded access to the harbor at Portsmouth and served as the colony's main munitions depot. The fort also served to protect Kittery, Maine, on the opposite shore, which was raided numerous times by the tribes of the Wabanaki Confederacy during the French and Indian Wars. Shadrach Walton commanded the fort during different periods at the end of the 17th and beginning of the 18th century.
In 1774, it was the only permanently occupied military post in New Hampshire.
On December 14, 1774, local Patriots from the Portsmouth area, led by John Langdon, stormed the post (overcoming a six-man caretaker detachment) and seized the garrison's powder, which was distributed through several New Hampshire towns for potential use in the looming struggle against Great Britain. On December 15, 1774, patriots led by John Sullivan again raided the fort, this time seizing numerous cannon.
Following the Revolution, the fort was called Castle Fort or Fort Castle.[2] The state gave Fort Point, on which the fort stood, to the federal government in 1791. In 1800, the Portsmouth Naval Shipyard was established upriver on Fernald's Island (now part of Seavey's Island), and the fort was rebuilt under the Second System of US fortifications. Walls were doubled in height and new brick buildings were added. Work was completed in 1808 and the defense renamed "Fort Constitution".[4] On July 4, 1809, an accidental explosion marred Independence Day celebrations at the fort, killing a number of soldiers and civilians. The Secretary of War's report on fortifications for December 1811 describes Fort Constitution as "an enclosed irregular work of masonry, mounting 36 heavy guns... (with) brick barracks for two companies..."[5] During the War of 1812 the fort was occupied and expanded with Walbach Tower, a Martello tower with a single 32-pounder cannon, being built in 1814.[6]
During the Civil War, Fort Constitution was projected to be rebuilt as a three-tiered granite fort under the Third System of US fortifications. However, advances in weaponry, particularly armored, steam-powered warships with heavy rifled guns, rendered the masonry design obsolete before it was finished. The fort's construction was abandoned in 1867 with the Second System fort largely intact and two walls from the Third System built around parts of it.[4] At some point in the Civil War era, four 100-pounder (6.4 inch, 163 mm) Parrott rifles were mounted at the fort, and remained there at least through late 1903.[3]
In 1897 construction began on Battery Farnsworth, located under the hill on which the ruins of Walbach Tower stand, as part of the large-scale Endicott Program of seacoast fortifications. It was part of the Coast Defenses of Portsmouth, along with Fort Stark and Fort Foster. The battery was completed in 1899. Named for Brigadier General Elon J. Farnsworth, the installation included two 8-inch (203 mm) M1888 gunsondisappearing carriages.[3] The battery was accompanied in 1904 by Battery Hackleman, with two 3-inch (76 mm) M1903 guns on pedestal mounts. A mine casemate for an underwater minefield in the harbor was built; Battery Hackleman was built primarily to defend this minefield against minesweepers.[3]
After the American entry into World War I in early 1917, many guns were removed from coast defenses for potential service on the Western Front. Both 8-inch guns of Battery Farnsworth were removed for use as railway artillery in October 1917 and were not returned to the fort. In 1920 a mine casemate was built next to Battery Farnsworth to replace a similar facility at Fort Stark.[3]
In World War II Battery Hackleman's 3-inch guns were sent to a new battery of the same name at Fort H. G. WrightonFisher's Island, New York. They were replaced by two 3-inch (76 mm) M1902 guns from Battery Hays at nearby Fort Stark. In 1940-1944 the Harbor Defenses of Portsmouth were garrisoned by the 22nd Coast Artillery Regiment. Also, a mine observation station was built atop Battery Farnsworth. Battery Hackleman was disarmed by 1948 and the fort was turned over to the Coast Guard. Battery Hackleman was demolished, but Battery Farnsworth can still be seen.[3]
Given back to the state in 1961, Fort Constitution State Park was listed on the National Register of Historic Places in 1973 and is today open to the public.
Since 1771 the fort has been home to a lighthouse. The current installation, the Portsmouth Harbor Light, was completed in 1878. Its Fourth Order Fresnel lens remains a valuable aid to navigation. The tower and the grounds immediately around it are open for scheduled tours.
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