Rule of Frederick Barabossa HRE (13 gen 1152 anni – 29 dic 1190 anni)
Descrizione:
Just like William the conquerer required vassals to take an oath of alliance and not to attack each other. couldn't unify the HRE like France and England would be around this time.Aggiunto al nastro di tempo:
Data:
13 gen 1152 anni
29 dic 1190 anni
~ 38 years