St. Juan Diego, a humble Aztec peasant, saw the Blessed Virgin Mary on the Hill of Tepeyac near present-day Mexico City on December 9, 1531, the feast of the Immaculate Conception at the time. After a request by the bishop to prove her identity, Our Lady asked Juan Diego to gather the roses which he found growing on the hill, which were neither native to the area nor in season, and take them...