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Engraving depicting the British arrival at the remains of Fort Duquesne

The Forbes Expedition was a British military expedition led by Brigadier-General John Forbes in 1758, during the French and Indian War. Its objective was the capture of Fort Duquesne, a French fort constructed at the confluence of the Allegheny and Monongahela Rivers (present-day Pittsburgh, Pennsylvania) in 1754.

The expedition methodically constructed a road across what is now southern Pennsylvania, but was then largely Indian territory. This was in contrast to a similar expedition led by Edward Braddock in 1755 that ended in disaster. Working for most of the summer on the construction of the road, fortifications, and supply depots, the expedition did not come within striking distance of Fort Duquesne until September 1758. In mid September, a reconnaissance force was soundly defeated when its leader, Major James Grant, attempted to capture the fort instead. The French, their supply line from Montreal cut by other British actions, attacked one of the expedition's forward outposts, Fort Ligonier, in an attempt to either drive off the British or acquire further supplies, but were repulsed.

When the expedition neared to within a few miles of Fort Duquesne in mid November, the French abandoned and blew up the fort. Three units of scouts led by Captain Hugh Waddell entered the smoking remnants of the fort under the orders of Colonel George Washington on November 24. General Forbes, who was ill with dysentery for much of the expedition, only briefly visited the ruins. He was returned to Philadelphia in a litter, and died not long afterward.

See alsoEdit


  • Anderson, Fred (2000). Crucible of War: The Seven Years' War and the Fate of Empire in British North America, 1754–1766. New York: Alfred Knopf. ISBN 978-0-375-40642-3. OCLC 237426391. 
  • Cubbison, Douglas R (2010). The British Defeat of the French in Pennsylvania, 1758: A Military History of the Forbes Campaign Against Fort Duquesne. Jefferson, NC: McFarland. ISBN 978-0-7864-4739-8. OCLC 475664242. 
  • Fowler, William M (2005). Empires at war: The French and Indian War and the Struggle for North America 1754-1763. New York: Walker & Company. ISBN 0-8027-1411-0. 
  • O'Meara, Walter (1965). Guns at the Forks. Englewood Cliffs, NJ: Prentice Hall. OCLC 21999143. 

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