Our Lady of Meritxell Day is a feast day in the Roman Catholic Church and the National Day of Andorra. It is celebrated annually on September 8th, which is also the Andorran National Day. The holiday has been celebrated since at least 1278, and it honors Our Lady of Meritxell, who is the patron saint of Andorra. On this day, a Mass is held in honor of Our Lady of Meritxell at the Sanctuary of Meritxell, where her image is enshrined. Additionally, many people make a pilgrimage to this site to pay homage to Our Lady of Meritxell. The image of Our Lady of Meritxell is also mentioned in the anthem of Andorra.