Litany of the Saints ceremonies involving the Pope, the canonized Popes are moved from their usual place to form part of an expanded list of Popes prior to other bishops and doctors. A commercially published setting of the Litany of Saints by John Becker includes the name of Origen among its additional saints. Although recognized by Pope Benedict XVI as a significant theologian, Origen is not listed in the Roman Martyrology and was anathematized in the year 553 for certain opinions he was alleged to have held. Origen's inclusion in a published litany, albeit without the official sanction of Catholic authorities, has resulted in
Mariology of the popes and the veneration of the Blessed Virgin. They made decisions not only in the area of Marian beliefs (Mariology) but also Marian practices and devotions. Popes promulgated Marian veneration and beliefs by authorizing: new Marian feast days, Marian prayers and initiatives, acceptance and support of Marian congregations, indulgences and special privileges, and support for Marian devotions. The formal recognition of Marian apparitions (such as at Lourdes and Fatima) has also been influential. Since Pope Leo XIII, popes have promoted Marian devotion through encyclicals, Apostolic Letters and with two dogmas (Immaculate Conception and Assumption), the promulgation of Marian years (Pius XII,