Mariology of the popes John Paul II), visits to Marian shrines (Benedict XVI in 2007) and by actively supporting the fathers of Vatican II as they highlighted the importance of Marian veneration (Popes John XXIII and Paul VI) in "Lumen gentium". Popular views like the Assumption and the Immaculate Conception developed into papal teaching over time. Popes have also limited and cautioned against some devotional practices. In 1674 Pope Clement X (1670–1676) indexed books on Marian piety. After the Council of Trent, "Marian fraternities" were founded, fostering Marian piety, not all of which were approved. Not all Popes took the same view on Marian
Two by Twos in Dublin, Glasgow and Belfast during 1899. Annual conventions, modeled after the evangelical Keswick Conventions in England, began to be held regularly in Ireland starting in 1903. Later that year, William Irvine, accompanied by Irvine Weir and George Walker, took his message to North America. Missions to continental Europe, Australia and Asia followed. By 1904, the requirement to "sell all" was no longer mentioned in sermons. A two-tiered system was instituted that made a distinction between homeless itinerant missionaries (called "workers") and those who were now allowed to retain homes and jobs (called "friends" or "saints"). Weekly home meetings began