Discovery of the aljamiado manuscripts Historical milestone · Almonacid de la Sierra, Valdejalón, Zaragoza Image of Almonacid de la Sierra, not of the place itself. In the summer of 1884 some workmen repairing an old house in Almonacid found a hidden store of Arabic and Aljamiado manuscripts. It is one of the most important finds of this kind on the peninsula and is preserved today in Madrid. 1884 Photo: Fran Ara (CC BY-SA 4.0) What to see and do in Almonacid de la Sierra