Roma (191) — the same event in Cassius Dio and Herodian, History of the Empire

Cassius Dio: Commodus renamed Rome "Colonia Commodiana" and the legions "Commodian", styled himself Hercules, and changed even the names of the…

What each source says

Cassius Dio, Roman History · AD 191 · Roma

Commodus renamed Rome "Colonia Commodiana" and the legions "Commodian", styled himself Hercules, and changed even the names of the twelve months to his own titles

He actually ordered that Rome itself should be called Commodiana, the legions Commodian, and the day on which these measures were voted Commodiana.
Location: 73(72).15.2

Herodian, History of the Empire · AD 192 · Rome

Commodus styles himself "Hercules, son of Jupiter" and goes about with a lion skin and club. He also renames the months.

accordingly, rejeding the Habit of the Romans , and the Imperial Robes, he put on a Lion’s Skin next his own, and carried a Club in his Hands, and wore ove
Location: 1.14

Place: Rome

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