Project Sherlock

Book

200

Roman History

Cassius Dio

A senator who served under several emperors argues Rome's stability at its height under rulers like Trajan and Hadrian rested on personal virtue at the top rather than any constitutional safeguard, and shows how quickly it curdled once that virtue was absent.

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Before you start

This edition
Only Books 36 to 60 survive as Dio wrote them. Everything else is known through Byzantine epitomes made centuries later by Xiphilinus and Zonaras — so for much of this work you are reading a medieval monk's summary of Dio, not Dio.
This translation
Earnest Cary's Loeb translation, via LacusCurtius.
FreeAdvancedlink checked 17 Sept 2026

Filed under Ancient Rome in History.