Pope Gregory VII (1 gen 1073 anni – 1 gen 1085 anni)
Descrizione:
 Following St. Augustine's "Just War" doctrine, developed the concept of "penitential warfare," whereby warfare was justified when performed in the service and defense of the Church and the faith. He offered absolution to those who died fighting for the Cross in the reconquest of Spain. 
Aggiunto al nastro di tempo:
Data:
1 gen 1073 anni
1 gen 1085 anni
 ~ 12 years