Charter of Brañosera Historical milestone · Brañosera, Montaña Palentina, Palencia Image of Brañosera, not of the place itself. Count Munio Núñez granted on 13 October 824 a settlement charter to the inhabitants of this valley of the then Kingdom of Asturias, setting out their rights and obligations; it is considered the first charter in the history of Spain. 13 de octubre de 824 Photo: Rodelar (CC BY-SA 3.0) What to see and do in Brañosera