Who is Gregorian?
Gregorian may refer to: The thought or ideology of Pope Gregory I or Pope Gregory VII (also called Gregorianism) Things named for Pope Gregory I: Gregorian chant, the central tradition of Western plainchant, a form of monophonic, unaccompanied sacred song of the western Roman Catholic Church Gregorian mass Brotherhood of Saint Gregory, a community of friars within the Anglican Communion. The community's members, known as "Gregorians", include clergy and laymen. Since 1987 there has also been a parallel order of sisters, the Sisters of Saint Gregory Things named for Pope Gregory VII: The Gregorian Reform, a series of reforms initiated by Pope Gregory VII and the circle he formed in the papal curia, c. 1050–80, which dealt with the moral integrity and independence of the clergy Things named for Pope Gregory XIII: Gregorian calendar, internationally the most widely used civil calendar. It is named after Pope Gregory XIII, who introduced it in October 1582 Pontifical Gregorian Universit...