French troops from Fort Duquesne (later Fort Pitt in Pittsburgh) and their native American allies clashed with British forces on Oct. 12, 1758, at the Battle of Fort Ligonier. Though the French and Indian assault on the just-completed fort was beaten back, British and colonial troops did not yield despite significant casualties, and the French withdrew.
No Place for Glory: Major General Robert E. Rodes and the Confederate Defeat at Gettysburg, PA Books
James Buchanan, Keystone Tombstones
The Pennamite-Yankee Wars, Battlefield Pennsylvania