The passing to the infante Alfonso de la Cerda Historical milestone · Casarrubios del Monte, La Sagra, Toledo Image of Casarrubios del Monte, not of the place itself. In 1331 Alfonso XI detached the town from the Segovian common lands and handed it to the infante Alfonso de la Cerda. So began a long succession of lords that went on until the eighteenth century and that left the Mudéjar castle as its testimony. 1331 Photo: Javier Perez Montes (CC BY-SA 4.0) What to see and do in Casarrubios del Monte