Cassius Dio, a Bithynian Greek who later became a Roman senator and consul, is known primarily for his partially extant Roman History (early third century A.D.). This work, eighty books long, was the last full history of Rome to be written in...

c. 150-235 Greco-Roman administrator and historian whose Romanika, written in Greek, provides a valuable source regarding the latter years of the republic and the early empire. Dio served in various positions throughout the Roman world, from Africa to...