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 History of the Decline and Fall of the Roman Empire place of "Decline and Fall"), especially when dealing with large nations or empires. Piers Brendon notes that Gibbon's work, "became the essential guide for Britons anxious to plot their own imperial trajectory. They found the key to understanding the British Empire in the ruins of Rome." and in film: and in television: The title and author are also cited in Noël Coward's comedic poem "I Went to a Marvellous Party". And in the poem "The Foundation of Science Fiction Success", Isaac Asimov acknowledged that his Foundation series – an epic tale of the fall and rebuilding of a galactic empire