Happy Feast of Our Lady of Guadalupe: “The appearance of Mary to the native Juan Diego on the hill of Tepeyac in 1531 had a decisive effect on evangelization,’’ — St. John Paul the Great.

The first time Our Lady of Guadalupe appeared in North America in 1531, nearly nine million Native Americans, close to the entire population of Mexico at the time, converted to Catholicism over a single decade. Learn more: