Explorer Juan Rodríguez Cabrillo first set foot in a region he named San Miguel in 1542, which a later expedition would rename San Diego. But it was not until 1769 when Mission Basilica San Diego de Alcalá was established that the town began to grow. The iconic bell tower you can visit today has stood since 1813. Choose between a single sticker or four pack of this sticker. Sticker measures 3″ × 3″. Durable, weatherproof adhesive made to last. UV Laminated to protect your sticker from scratches and the sun. Designed by Transit Tees in Chicago's Wicker Park neighborhood.