Historiography of the fall of the Western Roman Empire Roman civilisation which under-girded the Empire. According to this school, drawing its basic premise from the Pirenne thesis, the Roman world underwent a gradual (though often violent) series of transformations, morphing into the medieval world. The historians belonging to this school often prefer to speak of Late Antiquity instead of the Fall of the Roman Empire. In "The History of the Decline and Fall of the Roman Empire" (1776–88), Edward Gibbon famously placed the blame on a loss of civic virtue among the Roman citizens. They gradually entrusted the role of defending the Empire to barbarian mercenaries who eventually turned
Fall of the Western Roman Empire Nepos in 480. Gibbon gave a classic formulation of reasons why the Fall happened. He began an ongoing controversy by attributing a significant role to Christianity in the Western Roman Empire's fall, which is no longer accepted by modern Roman historians. However, he did give great weight to other causes of internal decline as well and to the attacks from outside the Empire. Alexander Demandt enumerated 210 different theories on why Rome fell, and new ideas have emerged since. Historians still try to analyze the reasons for loss of political control over a vast territory (and, as a subsidiary theme,