Our Lady of Aparecida Day is observed in Cantabria, Spain, every September 15. This regional public holiday celebrates the patron saint of Cantabria, Our Lady of Aparecida, a small wooden statue of the Virgin Mary found in 1605. The veneration of the statue became widespread in the 18th century, and it was officially proclaimed the patron saint of the diocese and region in 1906. The celebration begins on the evening of September 14 with a floral offering and a torchlight procession, followed by solemn Masses attended by thousands of pilgrims on the feast day. The Sanctuary of Our Lady of Aparecida, located in Hoz de Marrón, is a key site for these observances, where pilgrims climb 15 steps symbolizing the Stations of the Cross. While the holiday has solemn religious aspects, it also features communal meals, street fairs, singing, and dancing, making it a festive occasion.