[1] The French Arabist Évariste Lévi-Provençal attributed the destruction of San Millán de la Cogolla by the Saracens to the campaign in Calatañazor.
Late that century, the Chronica Naierensis added that he was at war with Sancho García of Castile at the time of his death, which occurred while he was in retreat at the village of Grajal.
The final story, of Almanzor receiving wounds in battle with the Christians and subsequently dying, is found in its earliest version in the Chronicon mundi of Lucas of Tuy.
The only substantial Islamic account of the battle is that found in the 17th-century historian Ahmad al-Maqqari, based primarily on the medieval Spanish tradition.
He called his son, Abd al-Malik al-Muzaffar, to his bedside to give him instructions, but when he fled his father's tent in tears the dying general uttered the prophetic words, "This appears to me the first sign of the decadence that awaits the empire."
Lucas of Tuy believed it was the devil lamenting the disaster of Calatañazor (el diablo que llorava la cayda de los moros).