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
Vatican during the Savoyard era (1870–1929) the pope. The popes of the 19th and 20th centuries exercised their spiritual authority with increasing vigor and in every aspect of religious life. By the crucial pontificate of Pope Pius IX (1846 - 1878), for example, papal control over worldwide Catholic missionary activity was firmly established for the first time in history. Vatican during the Savoyard era (1870–1929) Vatican during the Savoyard Era 1870-1929 describes the relation of the Vatican to Italy, after 1870, which marked the end of the Papal State and 1929, when the papacy regained autonomy in the Lateran Treaty, a period dominated by the Roman