Dio Cassius: Roman History Here

: Nearly complete; these cover the critical period of 65 BCE to 12 BCE, detailing the collapse of the Republic and the rise of Augustus.

: Unlike many historians, Dio was a practicing politician. His work often reflects his senatorial biases, particularly his interest in the relationship between the emperor and the Senate. Dio Cassius: Roman History

: Dio frequently critiques the shift from merit-based adoption (like Hadrian's) to hereditary succession, famously noting that the Roman Empire descended from a "kingdom of gold to one of iron and rust" following the reign of Marcus Aurelius. : Nearly complete; these cover the critical period

: Surviving largely through the 11th-century epitomes of John Xiphilinus and the 12th-century works of John Zonaras. Primary Access Points : Dio frequently critiques the shift from merit-based

Dio's work is traditionally divided into 80 books, though only a portion survives in its original form.