DION CASSIUS

DION CASSIUS, a Greek historian, born at Nicæa, in Bithynia, about A.D. 155; went to Rome, and served under a succession of emperors; wrote a "History of Rome" from Æneas to Alexander Severus in 80 books, of which only 18 survive entire; took years to prepare for and compose it; it is of great value, and often referred to.