Fort Pitt (Pennsylvania)

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A Plan of the New Fort at Pitts-Burgh drawn by cartographer John Rocque in 1765 Plan of Fort Pitt, 1759.jpg
A Plan of the New Fort at Pitts-Burgh drawn by cartographer John Rocque in 1765

Fort Pitt was a fort built by British forces between 1759 and 1761 during the French and Indian War at the confluence of the Monongahela and Allegheny rivers, where the Ohio River is formed in western Pennsylvania (modern day Pittsburgh). It was near (but not directly on) the site of Fort Duquesne, a French colonial fort built in 1754 as tensions increased between Great Britain and France in both Europe and North America. The French destroyed Fort Duquesne in 1758 when they retreated under British attack.

Contents

Virginia colonial protection of this area ultimately led to the development of Pittsburgh and Allegheny County, Pennsylvania by British-American colonists and immigrants.

Location and construction

Artist's interpretation of Fort Pitt in 1759 with the Allegheny (left) and Monongahela (right) rivers. At their confluence is the Ohio River, seen at the bottom. Fort Pitt, Pennsylvania, 1759.jpg
Artist's interpretation of Fort Pitt in 1759 with the Allegheny (left) and Monongahela (right) rivers. At their confluence is the Ohio River, seen at the bottom.

In April 1754, the French began building Fort Duquesne on the site of the small British Fort Prince George at the beginning of the French and Indian War (AKA Seven Years' War). [1] The Braddock expedition, a 1755 British attempt to take Fort Duquesne, met with defeat at the Battle of the Monongahela at present-day Braddock, Pennsylvania. The French garrison later defeated an attacking British regiment in September 1758 at the Battle of Fort Duquesne. French Colonel de Lignery ordered Fort Duquesne destroyed and abandoned at the approach of General John Forbes' expedition in late November. [2]

A number of factors contributed to this strategic withdrawal. In August 1758 the French Fort Frontenac, at the head of Lake Ontario, was captured by British Gen. Bradstreet, severing the supply lines to French fortifications across the frontier. Fort Duquesne was the southernmost of these. Short on materiel, French commander François-Marie Le Marchand de Lignery was forced to dismiss elements under his command down the Ohio River to their bases in Illinois and Louisiana, and send others overland north to Ft. Presque Isle. [3] Those Native who may have remained at Fort Duquesne were likely eager to return to their winter longhouses before the weather changed. Consequently, the fort was further undermanned, possibly left with as few as 200 regulars. [4]

The late October Treaty of Easton with several Native tribes involved in the war largely dissolved the alliance that had enabled French military dominance in the region. Chiefs of 13 American Indian nations agreed to negotiate peace with the colonial governments of Pennsylvania and New Jersey and to abandon any alliances with the French. The nations were primarily the Six Nations of the Iroquois League, bands of the Lenape (Delaware), and the Shawnee. They agreed to the treaty based on the colonial governments' promising to respect their rights to hunting and territory in the Ohio Country, to prohibit establishing new settlements west of the Appalachian Mountains, and to withdraw British and colonial military troops after the war.

The French commander, anticipating an attack along Braddock's road, had spent some effort fortifying positions there. (Forbes had several times advanced men along that route as a feint.) From prisoners captured during Maj. James Grant’s catastrophic attack on Fort Duquesne, de Lignery was reportedly surprised to learn of a fortified encampment of British troops only 50 miles away at Ligonier, Pennsylvania, with substantial reserves behind. He was also certainly cognizant of the British lightning raid on the Native village of Kittanning (40 miles north on the Allegheny River) two years earlier. Thus, a British attack from the north was a distinct possibility. Forbes had indeed contemplated an attack further north on Fort Machault (later, Ft. Venango; modern-day Franklin, PA.)

Finding himself in an under-manned, flood-prone fort in a weak defensive position, vulnerable to attack from three directions, and running low on provisions, de Lignery retreated north. He destroyed the stores and many of the structures as 1500 advance British troops under the command of Forbes drew within 10 miles. The French never returned to the region.

After constructing the temporary Mercer's Fort, the British built a new fort and named it Fort Pitt, after William Pitt the Elder. The fort was built from 1759 to 1761 during the French and Indian War (Seven Years' War), next to the site of former Fort Duquesne. It was built in the popular pentagram shape, with bastions at the star points, by Captain Harry Gordon, a British Engineer in the 60th Royal American Regiment. [5]

Pontiac's War

Fort Pitt Blockhouse, constructed in 1764 Bouquet blockhouse.JPG
Fort Pitt Blockhouse, constructed in 1764

After the colonial war and in the face of continued broken treaties, broken promises and encroachment by the Europeans, in 1763 the western Lenape and Shawnee took part in a Native uprising known as Pontiac's War, an effort to drive settlers out of the Native American territory. The American Indians' siege of Fort Pitt began on June 22, 1763, but they found it too well-fortified to be taken by force. In negotiations during the siege, Captain Simeon Ecuyer, a Swiss mercenary and the commander of Fort Pitt, gave two Delaware emissaries blankets that had been exposed to smallpox. The potential of this act to cause an epidemic among the American Indians was clearly understood. Commander William Trent wrote that he hoped "it will have the desired effect." [6] Colonel Henry Bouquet, leading a relief force, would discuss similar tactics with Commander-in-Chief Jeffery Amherst. The effectiveness of these attempts to spread the disease are unknown, although it is known that the method used is inefficient compared to respiratory transmission, and it is difficult to differentiate from naturally occurring epidemics resulting from previous contacts with colonists. [7] [8]

During and after Pontiac's War, epidemics of smallpox among Native Americans devastated the tribes of Ohio Valley and the Great Lakes areas. On August 1, 1763, most of the American Indians broke off the siege to intercept the approaching force under Colonel Bouquet. In the Battle of Bushy Run, Bouquet fought off the American Indian attack and relieved Fort Pitt on August 10.

In 1772, after Pontiac's War, the British commander at Fort Pitt sold the building to two colonists, William Thompson and Alexander Ross. [9] At that time, the Pittsburgh area was claimed by the colonies of both Virginia and Pennsylvania, which struggled for power over the region. After Virginians took control of Fort Pitt, they called it Fort Dunmore, in honour of Virginia's Governor Lord Dunmore. The fort served as a staging ground in Dunmore's War of 1774.

American Revolutionary War and beyond

During the American Revolutionary War, Fort Pitt served as a headquarters for the western theatre of the war.[ clarification needed ] In 1778, Sampson Mathews, George Clymer, and Samuel Washington were sent as representatives for the United States Congress to the western frontier to report on security of the American border. Congress had learned of British governor Henry Hamilton's efforts to pit local Indian tribes against the lightly guarded American western border, and feared attack. From Fort Pitt, the committee reported back to Congress the seriousness of the threat, leading Congress to send 3,000 militiamen to the western frontier, [10] including George Rogers Clark. Clark finally captured Hamilton in winter 1779—a success that encouraged the alliance with France. [11] In present-day Michigan, the British garrisoned Fort Detroit.

Later, during the Northwest Indian War, General Anthony Wayne built a fort adjacent to the site as Fort Lafayette, elided to Fort Fayette. Still later it was regarrisioned in the War of 1812 as a staging point and supply depot for expeditions against northern British forts. Both forts became part of the borough of Pittsburgh.

20th century

A view of the Fort Pitt Museum from Mount Washington; its structure is a recreation of a bastion of Ft. Pitt. Fort Pitt from Mt Washington.jpg
A view of the Fort Pitt Museum from Mount Washington; its structure is a recreation of a bastion of Ft. Pitt.

In the 20th century, the city of Pittsburgh commissioned archeological excavation of the foundations of Fort Pitt. Afterward, some of the fort was reconstructed to give visitors at Point State Park a sense of the size of the fort. In this rebuilt section, the Fort Pitt Museum is housed in the Monongahela Bastion, and excavated portions of the fort were filled in.

A redoubt, a small brick outbuilding called the Blockhouse, survives in Point State Park as the sole remnant of Fort Pitt. Erected in 1764, it is believed to be the oldest building still standing in Pittsburgh. Used for many years as a private residence, the blockhouse was purchased and preserved for many years by the local chapter of the Daughters of the American Revolution.

Fort Pitt Foundry was an important armaments manufacturing center for the Federal government during the Civil War, under the charge of William Metcalf.

See also

Related Research Articles

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Fort Duquesne was a fort established by the French in 1754, at the confluence of the Allegheny and Monongahela rivers. It was later taken over by the British, and later the Americans, and developed as Pittsburgh in the U.S. state of Pennsylvania. Fort Duquesne was destroyed by the French before its British conquest during the Seven Years' War, known as the French and Indian War on the North American front. The British replaced it, building Fort Pitt between 1759 and 1761. The site of both forts is now occupied by Point State Park, where the outlines of the two forts have been laid in brick.

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The Braddock expedition, also called Braddock's campaign or Braddock's Defeat, was a British military expedition which attempted to capture Fort Duquesne from the French in the summer of 1755, during the French and Indian War of 1754 to 1763. The British troops suffered defeat at the Battle of the Monongahela on July 9, 1755, and the survivors retreated. The expedition takes its name from General Edward Braddock (1695–1755), who led the British forces and died in the effort. Braddock's defeat was a major setback for the British in the early stages of the war with France; John Mack Faragher characterises it as one of the most disastrous defeats for the British in the 18th century.

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References

  1. ↑ Lorant, Stefan. "Historic Pittsburgh Chronology". Historic Pittsburgh. University of Pittsburgh. Retrieved 19 September 2013.
  2. ↑ Bomberger, Christian Martin. "The Battle of Bushy Run: the most decisive victory in all history gained by the white man over the American Indian". Historic Pittsburgh Text Collection. University of Pittsburgh. Retrieved 19 September 2013.
  3. ↑ Parkman, Francis (December 29, 2004). "Montcalm and Woolfe". Project Gutenberg. Retrieved February 12, 2020.
  4. ↑ "Fort Duquesne".
  5. ↑ Pittsburgh Waste Book and Fort Pitt Trading Post Papers, 1757-1765, DAR.1925.03, The Darlington Collection, Special Collections Department, University of Pittsburgh.
  6. ↑ Mann, Barbara Alice (2009-01-01). The Tainted Gift: The Disease Method of Frontier Expansion. ABC-CLIO. ISBN   9780313353383.
  7. ↑ Barras, V.; Greub, G. (June 2014). "History of biological warfare and bioterrorism". Clinical Microbiology and Infection. 20 (6): 497–502. doi: 10.1111/1469-0691.12706 . PMID   24894605. However, in the light of contemporary knowledge, it remains doubtful whether his hopes were fulfilled, given the fact that the transmission of smallpox through this kind of vector is much less efficient than respiratory transmission, and that Native Americans had been in contact with smallpox >200 years before Ecuyer's trickery, notably during Pizarro's conquest of South America in the 16th century. As a whole, the analysis of the various 'pre-micro-biological' attempts at BW illustrate the difficulty of differentiating attempted biological attack from naturally occurring epidemics.
  8. ↑ Medical Aspects of Biological Warfare. Government Printing Office. 2007. p. 3. ISBN   9780160872389. In retrospect, it is difficult to evaluate the tactical success of Captain Ecuyer's biological attack because smallpox may have been transmitted after other contacts with colonists, as had previously happened in New England and the South. Although scabs from smallpox patients are thought to be of low infectivity as a result of binding of the virus in fibrin metric, and transmission by fomites has been considered inefficient compared with respiratory droplet transmission.
  9. ↑ O'Meara, Walter (2005). Guns at the Forks. Pittsburgh: University of Pittsburgh Press. p. 249. ISBN   9780822971283 . Retrieved 13 December 2017.
  10. ↑ Pieper, Thomas I.; Gidney, James B. (1976). Fort Laurens, 1778-1779: The Revolutionary War in Ohio. Kent State University Press. ISBN   978-0-87338-240-3.
  11. ↑ English, William Hayden (1896). Conquest of the Country Northwest of the River Ohio, 1778–1783, and Life of Gen. George Rogers Clark, vol 2. Bowen-Merrill, Indianapolis.

Further reading

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