Decline of the Byzantine Empire of Constantinople in 1453. The process by which the empire waned, and from when its decline can be traced, is a matter of scholarly debate. In some cases, the entire history of the Byzantine Empire has been portrayed as a protracted period of decline of the Roman Empire. This holds especially for Enlightenment era writers such as Edward Gibbon, author of "The History of the Decline and Fall of the Roman Empire", published in six volumes between 1776 and 1789, whose view was coloured by pro-western or anti-clerical biases, and tended to see the whole ten-century empire as merely a
Historiography of the fall of the Western Roman Empire Many theories of causality have been explored. In 1984, Alexander Demandt enumerated 210 different theories on why Rome fell, and new theories emerged thereafter. Gibbon himself explored ideas of internal decline (the disintegration of political, economic, military, and other social institutions, civil wars) and of attacks from outside the Empire. "From the eighteenth century onward," historian Glen Bowersock wrote, "we have been obsessed with the fall: it has been valued as an archetype for every perceived decline, and, hence, as a symbol for our own fears." Historiographically, the primary issue historians have looked at when analyzing any theory is the