 Severus Alexander held him in high esteem and made him his consul again . His Roman History spans nearly a millennium , from the arrival of Aeneas in Italy until the year 229 . As a contemporary of Elagabalus , Cassius Dio 's account of his reign is generally considered more reliable than the Augustan History , although by his own admission Dio spent the greater part of the relevant period outside of Rome and had to rely on second @-@ hand accounts . 
