The foundation of these Orders, greater or less, did not exhaust the impetus in favour of monasticism. Single houses and smaller Orders were founded during the twelfth and thirteenth centuries, of which many attained a merely local importance. The common feature of the great Orders was that each of them formed a Congregation, that is to say, an aggregate of numerous houses scattered over many lands, but following the same rule and acknowledging some sort of allegiance to the original home of the Order. The invention of this model was due to Cluny, although even among the Cluniacs the organisation of the Congregation, with its system of visiting inspectors who reported on the condition of the monasteries to an annual Chapter-General meeting at Cluny, was not completed until the thirteenth century. From the first, however, the Abbot of Cluny was a despot; with the exception of the heads of some monasteries which became affiliated to the Order he was the only abbot, the ruler of the Cluniac house being merely a prior. All the early abbots were men of mark, who were afterwards canonised by the Church. The fourth abbot refused the Papacy; but Gregory VII, Urban II, and Pascal II were all Cluniac monks. The real greatness of the Order was due to its fifth and sixth abbots, Odilo who ruled from 994 to 1049, and Hugh who held the reins of office for an even longer period (1049-1109); while the fame of the Order culminated under Peter the Venerable, the contemporary of St. Bernard. [Sidenote: Its decay.] But the history of the abbot who came between Hugh and Peter shows the strange vicissitudes to which even the greatest monasteries might be subjected. Pontius was godson of Pope Pascal II, who sent to the newly elected abbot his own dalmatic. Calixtus II visited Cluny, and while reaffirming the privileges granted by his predecessors, such as the freedom of Cluniac houses from visitation by the local bishop, he made the Abbot of Cluny _ex officio_ a Cardinal of the Roman Church, and allowed that when the rest of the land was under an interdict the monks of Cluny might celebrate Mass within the closed doors of their chapels. But as a consequence of these distinctions Pontius' conduct became so unbearable as to cause loud complaints from ecclesiastics of every rank. Ultimately the Pope intervened and persuaded Pontius to resign the abbacy and to make a pilgrimage to Palestine. Meanwhile another abbot was appointed. But Pontius returned, gathered an armed band, and got forcible possession of Cluny, which he proceeded to despoil. Again the Pope, Honorius II, interfered, and Pontius was disposed of. [Sidenote: Criticism of St. Bernard.]