In 1571 Pope Pius V instituted "Our Lady of Victory" as an annual feast to commemorate the victory of Lepanto. The victory was attributed to Our Lady, as a rosary procession was offered on that day in St. Peter's Square in Rome for the success of the mission of the Holy League to hold back Muslim forces from overrunning Western Europe. In 1573, Pope Gregory XIII changed the title of this feast-day to "Feast of the Holy Rosary". This feast was extended by Pope Clement XII to the whole of the Latin Rite, inserting it into the Roman Catholic calendar of saints in 1716, and assigning it to the first Sunday in October. Pope Pius X changed the date to 7 October in 1913. In 1969, Pope Paul VI changed the name of the feast to "Our Lady of the Rosary", and it is celebrated as a memorial in the ordi