Valenciana: Saint Vincent is the patron saint of Valencia. He was martyred during the Christian persecutions of Emperor Diocletian around the year 304.
Andalucía, Aragon, Asturias, Balearic Islands, Basque Country, Canary Islands, Cantabria, Castile and León, Castilla-La Mancha, Ceuta, Extremadura, Galicia, La Rioja, Madrid, Melilla, Murcia, Navarra, Valenciana: Also Known as Holy Thursday, Maundy Thursday commemorates the last supper and established the ceremony known as the Eucharist
Balearic Islands, Basque Country, Catalonia, La Rioja, Navarra, Valenciana: Easter is probably the most important holiday of the Christian year, celebrating the Resurrection of Jesus
Andalucía, Aragon, Asturias, Canary Islands, Castile and León, Extremadura, Murcia: This holiday is most commonly associated as a commemoration of the achievements of the labour movement
Ceuta: Eid al-Adha, the Feast of Sacrifice is the most important feast in the Muslim calendar. It celebrates the willingness of the Prophet Ibrahim to sacrifice his son Ishmael in submission to Allah's command, before he was stopped by Allah.
Melilla: Eid al-Adha, the Feast of Sacrifice is the most important feast in the Muslim calendar. It celebrates the willingness of the Prophet Ibrahim to sacrifice his son Ishmael in submission to Allah's command, before he was stopped by Allah.
Catalonia: December 26th is the Feast of St. Stephen in Western Christianity. It is observed as a second day of Christmas holidays in several countries.
Andalucía, Aragon, Asturias, Canary Islands, Cantabria, Castile and León, Castilla-La Mancha, Extremadura, La Rioja, Madrid, Melilla, Murcia, Navarra: Christmas celebrates the Nativity of Jesus which according to tradition took place on December 25th 1 BC
Notes
Public holidays are taken on the day they fall and not moved to the following weekend, if they fall on a Saturday or Sunday.
The list of regional holidays changes every year, partly because of national holidays falling on Sundays.