The Fair Privilege of Sancho IV Curiosity · Talavera de la Reina, Talavera, Toledo Image of Talavera de la Reina, not of the place itself. King Sancho IV granted Talavera the privilege of holding two agricultural fairs a year, the origin of today's San Isidro fair in May and San Mateo fair in September. Photo: normanm (CC BY-SA 4.0) What to see and do in Talavera de la Reina