 The flourishing Catholic life of the Diocese of Vilnius is attested by the large number of synods held there.The first of these was in 1502, under Bishop Tabor.Then followed the synods of 1526, for the reform of manners and the organization of the parochial schools; of 1528, to collect funds for the restoration of the cathedral; of 1555, to oppose the spread of Lutheranism; of 1582; of 1607, which made many regulations for the administration of the sacraments and the discipline of the clergy; of 1630, regulating the administration of ecclesiastical property; of 1654, to aid the state with new imposts; of 1669 with its disciplinary regulations; of 1685, with ordinances relating to the administration of the sacraments and the life of the clergy; of 1744, with regulations in regard to the catechism, mixed marriages and spiritual exercises.