Battle of Fort Duquesne Part of the French and Indian War This engraving by Alfred R. Waud depicts the British occupation of the remains of Fort Duquesne on November 25. Date 14 September 1758 Location Fort Duquesne, site of present - day Pittsburgh, Pennsylvania Coordinates: 40 ° 26 ′ 29.86 '' N 80 ° 00 ′ 39.40 '' W ﻿ / ﻿ 40.4416278 ° N 80.0109444 ° W ﻿ / 40.4416278; - 80.0109444 Result French victory Belligerents France Colony of Canada Natives Great Britain British America Commanders and leaders François - Marie Le Marchand de Lignery James Grant (POW) Strength 500 natives and militia 400 regulars 350 militia Casualties and losses 21 killed; 8 wounded 104 killed; 220 wounded; 18 captured
who was sent in command of a force of troops to capture fort duquesne
James Grant