Answer:
What most people don't know is that ancient Nubia was the site of highly advanced black African civilizations that rivaled ancient Egypt in wealth, power and cultural development. In fact, Nubian kings ruled over Egypt as pharaohs for nearly 100 years.
Whats the question..................
A. Urban II
These incursions prompted the emperor of Byzantium, Alexius I Comnenus to send a delegation to Piacenza, Italy, asking Pope Urban II in March 1095 for help against the Turks. On November 27, 1095, in Clermont, France, Pope Urban II called for a crusade to help the Byzantines and to free the city of Jerusalem.