In 798 a rare white Asian elephant named Abul-Abbas was presented to this Holy Roman Emperor by the Caliph of Baghdad
[DOC] [TLE] Abul-Abbas, an Asian elephant at Charlemagne, (Carolus Magnus ... [PAR] Abul-Abbas at Charlemagne, (Carolus Magnus) emperor of Holy Roman Empire 
... given to Emperor Charlemagne by the caliph of Baghdad, Harun al-Rashid, in 
798.