sentences:  The Diocese of Ciudad Juárez was erected by Pope Pius XII on 10 April 1957 from the Diocese of Chihuahua because of the population growth in the northern part of the state of Chihuahua.Pope Pius named Manuel Talamás Camandari as the first bishop, and by 1966 he was overseeing a diocese of 565,000 faithful.When Bishop Talamás retired in 1992, the diocese consisted of more than one million Catholics.