Byzantium (193) — the same event in Cassius Dio and Herodian, History of the Empire

Cassius Dio: Byzantium held out for three years against the armies of the world with ingenious defenses, such as divers cutting anchor cables and…

What each source says

Cassius Dio, Roman History · AD 193 · Byzantium

Byzantium held out for three years against the armies of the world with ingenious defenses, such as divers cutting anchor cables and towing off enemy ships

since for the entire space of three years they were besieged by the armaments of practically the whole world.
Location: 75(74).12.1

Herodian, History of the Empire · AD 193 · Byzantium

Byzantium, which had sided with Niger, surrenders after a long siege. Its walls and ornaments are torn down, it is reduced to an open village, and its people are made subject to Perinthus.

3 nament or Grandeur was dcftroyed, and Byzantium reduced to an open Village-, and the Inhabitants given to the Perhithiams tor Slaves, as they of Anlioch had…
Location: 3.6

Cassius Dio, Roman History · AD 196 · Byzantium

Byzantium surrendered: soldiers and officials were executed, the city lost its independence and was made subject to Perinthus, and its walls were demolished (Dio himself saw the fallen walls)

The Byzantines, accordingly, were constrained to surrender the city at once.
Location: 75(74).14

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
OutcomeCassius Dio, Roman HistoryHerodian, History of the Empirea는 포위 중 기발한 방어, b는 긴 포위 끝 항복
OutcomeCassius Dio, Roman HistoryHerodian, History of the Empirea는 군인·관리 처형과 성벽 파괴 직접 목격 기록, b는 주민 예속만

Place: Byzantium

Show on the map — open Cassius Dio, Roman History