The University of Sigüenza Historical milestone · Sigüenza, Serranía de Guadalajara, Guadalajara Image of Sigüenza, not of the place itself. Cardinal Pedro González de Mendoza promoted in 1489 the founding of a university around the college of San Antonio de Portaceli. It trained jurists and theologians for more than three centuries, until in 1824 it was reduced to a dependent college and disappeared as a university. 1489-1824 Photo: Ecelan (CC BY-SA 4.0) What to see and do in Sigüenza