Meanwhile the emperor in Paris had been organizing a fresh army for the reconquest of Prussia.
After the reconquest of the Sudan one-fourth of the cadets in the military school of Cairo were Sudanese.
On the one hand, the reconquest of lost territories from the Mahommedans by Christian powers had been proceeding steadily for more than a hundred years before the First Crusade; on the other hand, the position of the Eastern empire after 1071 was a clear and definite summons to the Christian West, and proved, in the event, the immediate occasion of the holy war.
The transformation of Castile from a small county in the north of what is now Old Castile into an independent monarchy, was one of the decisive events in the reconquest of Spain from the Moors.
Grisegonelle (Greytunic) (c. 960-21st of July 987), who inaugurated a policy of expansion, having as its objects the extension of the boundaries of the ancient countship and the reconquest of those parts of it which had been annexed by the neighbouring states; for, though western Anjou had been recovered from the dukes of Brittany since the beginning of the 10th century, in the east all the district of Saumur had already by that time fallen into the hands of the counts of Blois and Tours.