Devotion to religious life under vows of poverty, chastity, and obedience, known to Judaism (for example Essenes), Buddhism, and other religions, before Christianity. In Islam, the Sufis formed monastic orders from the 12th century. history, Christian 3rd century The institution of monasticism is ascribed to St Anthony in Egypt, but the inauguration of communal life is attributed to his disciple, St Pachomius. Possibly communities for women (nuns, from Latin nonna `elderly woman') preceded those for men, and most male orders have their female counterpart. 6th century Full adaptation to conditions in W Europe was made by St Benedict, his `rule' being generally adopted. 10th century In 910 the founding of Cluny began the system of orders whereby each monastery was subordinated to a central institution. 11th century During the Middle Ages other forms of monasticism were established, including the hermitlike Carthusians 1084 and the Augustinian Canons, who were clerics organized under a monastic system. 12th century The military Knights Templar and Knights Hospitallers of St John were formed. 13th century The four mendicant orders of friars - Franciscans, Dominicans, Carmelites, and Augustinians - were established, and monasticism reached the height of its influence. 16th century Already weakened by the wars, plagues, and schisms of the 14th and 15th centuries, monasticism was severely affected by the Reformation. A revival came with the foundation of orders dedicated to particular missions, such as the great weapon of the Counter-Reformation, the Society of Jesus (Jesuits) 1540. 17th century The Trappist Cistercians were founded at La Trappe. 18th century The French Revolution exercised a repressive influence. 20th century Since the Vatican II Council, the trend in many orders is towards modern dress and involvement outside the monastery, despite disapproval by Pope John Paul II.