Note 100 — Chapter XIV · A.D. 980-1100. THE JEWS IN SPAIN.—IN ENGLAND.—THE CRUSADES.
Reading edition
It was this Alphonso who wrote the singular letter to Yusef, king of the Almoravides, inviting him to fight a pitched battle on the ensuing Monday, ‘because,’ he said, ‘Friday would not suit the Mahometans in his army, or Saturday the Jews, or Sunday the Christians.’