In al-Andalus: a 
drought episod leads to a terrible 
famine in the Iberian peninsula which continues in 
915.ref name=rucquoi1993 In his centralization effort, the 
Umayyad caliph, 
Abd al-Rahman III reconquers 
Sevilla from the 
Banu Hajjaj clan.ref name =portugalmedievalPicard, C. (2000)" Le Portugal musulman (VIIIe-XIIIe siècle). L'Occident d'al-Andalus sous domination islamique". Paris: Maisonneuve  Larose pp.54.