John Montresor Pierre Charles L'Enfant Louis de Tousard
NRHP reference No.
70000554[1]
Significant dates
Added to NRHP
August 29, 1970
Designated NHL
August 29, 1970
Designated PHMC
May 10, 1990[2]
Fort Mifflin, originally called Fort Island Battery and also known as Mud Island Fort, was commissioned in 1771 and sits on Mud Island (or Deep Water Island) on the Delaware River below Philadelphia, Pennsylvania[nb 1] near Philadelphia International Airport.
During the American Revolutionary War, the British Army bombarded and captured the fort as part of their conquest of Philadelphia in autumn 1777. In 1795, the fort was renamed for Thomas Mifflin, a Continental Army officer and the first post-independence Pennsylvania governor.[3]
The U.S. Army began rebuilding the fort in 1794, and continued to garrison and build on the site into the 19th century. Fort Mifflin housed prisoners during the American Civil War. The U.S. Army decommissioned Fort Mifflin for active duty infantry and artillery in 1962.
While the older portion of the fort was returned to the City of Philadelphia, a portion of the fort's grounds are still actively used by the U.S. Army Corps of Engineers, making it the oldest fort in use by the U.S. military. Historic preservationists have restored the fort, which has been named a National Historic Landmark.
^"National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
^"PHMC Historical Markers". Historical Marker Database. Pennsylvania Historical & Museum Commission. Archived from the original on December 7, 2013. Retrieved December 10, 2013.
^Roberts 1988, pp. 686–687.
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FortMifflin, originally called Fort Island Battery and also known as Mud Island Fort, was commissioned in 1771 and sits on Mud Island (or Deep Water...
The siege of FortMifflin or the siege of Mud Island Fort, which took place from September 26 to November 16, 1777, saw British land batteries commanded...
Revolutionary War. The fort was built in 1777 by Polish engineer Thaddeus Kosciuszko under the command of George Washington. Along with FortMifflin on the Pennsylvania...
Deptford Township and is now National Park, New Jersey. The second was FortMifflin on Mud Island, in the Delaware River just south of the Delaware River's...
Commodore during the Philadelphia campaign, he also became commander of FortMifflin while it was under siege by the British. Throughout the campaign Hazelwood...
Siege of FortMifflin in the autumn of 1777. For the period of four days he commanded the garrison until he was compelled to evacuate the fort by the tremendous...
Bibb Fort Bowyer Fort Carney Fort Claiborne Fort Condé, open to the public Fort Crawford Fort Dale Fort Decatur Fort Easley Fort Gaines Fort Glass Fort Hampton...
and Gov. Thomas Mifflin (1800). FortMifflin, Philadelphia County, Pennsylvania Mifflin, Pennsylvania Mifflin County, Pennsylvania Mifflin Cross Roads, Pennsylvania...
Marcus Hook, and a third line was nearer Philadelphia, guarded by FortMifflin and Fort Mercer. Washington unsuccessfully attacked Germantown on October...
Ligonier Fort Loudoun Fort Machault Fort McIntosh FortMifflinFort Necessity Fort Piper Fort Pitt Fort Presque Isle Fort Prince George Fort Robert Smalls...
ISBN 978-0-8050-6099-7. Roberts, Robert B. (1988). Encyclopedia of historic forts: the military, pioneer, and trading posts of the United States. New York...
Staten Island Cooch's Bridge Brandywine Clouds Paoli Germantown Red Bank FortMifflin Gloucester White Marsh Matson's Ford Valley Forge Conway Cabal Quinton's...
Site Elfreth's Alley Fabric Workshop and Museum Fairmount Water Works FortMifflin Franklin Institute Germantown White House Glen Foerd on the Delaware...
Gardner Swift mentions a fort on the "Pea Patch in Delaware River" among forts that are progressing nicely. The attack on FortMifflin during the Revolutionary...
departed. The explosion of the Greek oil tanker Elias killed 13 people at FortMifflin port in PhiladelphiaA U.S. Coast Guard investigation would note that...
as the Battle of Brooklyn, the Battle of White Plains, the siege on FortMifflin and the Battle of Monmouth. He encamped at Valley Forge, witnessed John...
attention to clearing the Delaware River of obstacles at Red Bank and FortMifflin. After unsuccessfully attempting to draw Washington into combat at White...
the summer of 1777, the Continental Army's quartermaster general, Thomas Mifflin, decided to station a portion of the Continental Army's supplies in buildings...
Staten Island Cooch's Bridge Brandywine Clouds Paoli Germantown Red Bank FortMifflin Gloucester White Marsh Matson's Ford Valley Forge Conway Cabal Quinton's...
Navy to take the forts in the October 20 to 22 Battle of Red Bank failed; a second attack captured FortMifflin on November 16, while Fort Mercer was abandoned...
Philadelphia in June 1778. Two Revolutionary War battles, the Siege of FortMifflin, fought between September 26 and November 16, 1777, and the Battle of...
between FortMifflin and Fort Mercer. Two other lines of chevaux-de-frise were also placed across the Delaware River at Marcus Hook, Pennsylvania and Fort Billingsport...
York City in 1776 and Philadelphia in 1777. Even after the capture of FortsMifflin and Mercer, which had previously prevented the resupply of British-occupied...
Fort Mercer and its sister, FortMifflin in Pennsylvania, defended the river and prevented the British from using it for transportation. The forts successfully...
disenchanted group created the philanthropic "Society of Red Men" at historic FortMifflin in Philadelphia. The organization grew in the 1820s. Parallel lines of...
Staten Island Cooch's Bridge Brandywine Clouds Paoli Germantown Red Bank FortMifflin Gloucester White Marsh Matson's Ford Valley Forge Conway Cabal Quinton's...
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