Historiography of the fall of the Western Roman Empire Historiography of the fall of the Western Roman Empire The causes and mechanisms of the Fall of the Western Roman Empire are a historical theme that was introduced by historian Edward Gibbon in his 1776 book "The History of the Decline and Fall of the Roman Empire". He started an ongoing historiographical discussion about what caused the Fall of the Western Roman Empire, and the reduced power of the remaining Eastern Empire, in the 4th–5th centuries. Gibbon was not the first to speculate on why the Empire collapsed, but he was the first to give a well-researched and well-referenced account.
Roman Emperors during the Fall of the Western Empire Zeno was temporarily displaced in Constantinople by Verina's brother ("i.e.", Leo I's brother-in-law and Leo II's great uncle-in-law) "Basiliscus", but regained his position as emperor a year later. On his death, Ariadne married the court functionary "Anastasius I", and thereby elevated him to Emperor by virtue of marrying the Empress. Roman Emperors during the Fall of the Western Empire The office of Roman Emperor underwent significant turbulence in the fourth and fifth centuries, particularly under the period of the Dominate. In the West, where the fall of the Western Roman Empire was underway, its holders became puppets of a succession