- XXI Century (Principals from 2002)
- XX Century (Principals between 1901 and 2002)
- XIX Century (Principals between 1813 and 1901)
- XVIII Century (Principals between 1700 and 1813)
- XVII Century (Principals between 1599 and 1700)
- First century of UV (Principals between 1499 and 1599)