In fort built to halt Indian depredations in North Texas. One of buildings and units on inspection in May 1871 by General William Tecumseh Sherman, when news came of massacre of Warren Wagon Trail, 24 miles northwest. Killers, later found at Fort Sill, were brought to trial in Jacksboro - first time Indians were ever tried in the white man's court in North Texas. Recorded Texas Historic Landmark, 1965.