Gateway to the West and steel center of the world. Named for William Pitt by General Forbes after the fall of French Fort Duquesne in 1758. Laid out as a town by John Campbell in 1764. Incorporated as a city, 1816.
On this site was located the isolation hospital erected in 1777 by General Edward Hand to care for troops at Fort Pitt. Blockhouses protected the original two-story log structure.