Feast of Our Lady of Guadalupe The Patroness of the Americas (https://smartguy.com/) The Feast of Our Lady of Guadalupe, celebrated on December 12, honors the miraculous appearance of the Virgin Mary to St. Juan Diego in Mexico in 1531. This event marked a profound moment in history, bringing millions to the Catholic faith and establishing Our Lady of Guadalupe as the Patroness of the Americas. This feast is a celebration of faith, unity, and Mary’s deep love for all her children.