Founded in 910 to return to the authentic monasticism of Saint Benedict, the abbey of Cluny led a revolution in the medieval Church. Wresting secular hands from control on monastic office and finances, the great burgundian monastery and its hundreds of daughter houses inspired eleventh-century churchmen to seize control of the Church from petty lords and outraged emperors. Powerful and respected, the Cluniac Order cast a long shadow over the European...