History of the Roman Empire disputes about the supreme authority, this finally formalised a peaceful succession of the emperor: in each half a "Caesar" would rise up to replace the "Augustus" and select a new "Caesar". On May 1, 305, Diocletian and Maximian abdicated in favour of their "Caesars". Galerius named the two new "Caesars": his nephew Maximinus for himself, and Flavius Valerius Severus for Constantius. The arrangement worked well under Diocletian and Maximian and shortly thereafter. The internal tensions within the Roman government were less acute than they had been. In "The Decline and Fall of the Roman Empire", Edward Gibbon notes that this
The Fall of the Roman Empire (film) historical events. However, in the long-established view of Roman history, Marcus Aurelius is considered as the last of the Five Good Emperors whose time is considered the best of Roman imperial history. Commodus is generally considered to have fallen far below the standard set by his father and the four earlier Emperors, and his reign is considered as the beginning of the decline - though that would still take several centuries. In the winter of 180 A.D., the Roman emperor Marcus Aurelius fights to keep Germanic tribes from invading his northern territories on the Danube frontier (a war which in