Universidad de Sancti Spiritus de Oñati Monument · Oñati, Debagoiena / Alto Deba, Gipuzkoa Founded in 1540 by Bishop Rodrigo Mercado de Zuazola, it was the first university in the Basque Country, operating until 1901. Since 1989 it has housed the International Institute for the Sociology of Law. 1540 Photo: Txo (Public domain) What to see and do in Oñati