The Cistercian Rite is the liturgical rite, distinct from the Roman Rite, specific to the Cistercian Order of the Roman Catholic Church. The rite is to be found in the liturgical books of this reformed branch of the Benedictines. The collection, composed of fifteen books, was made by the General Chapter of Cîteaux (the place from which the order takes its name), most probably in 1134; they were later included in the Missal, Breviary, Ritual and Martyrology of the order. When Pope Pius V ordered the entire Church to conform to the Roman Missal and Breviary, he exempted the Cistercians, because their rite had been more than 400 years in existence. Under Claude Vaussin, General of the Cistercians (in the middle of the seventeenth century), several reforms were made in the liturgical books of