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
The History of the Decline and Fall of the Roman Empire to barbarian invasions in large part due to the gradual loss of civic virtue among its citizens. He began an ongoing controversy about the role of Christianity, but he gave great weight to other causes of internal decline and to attacks from outside the Empire. Like other Enlightenment thinkers and British citizens of the age steeped in institutional anti-Catholicism, Gibbon held in contempt the Middle Ages as a priest-ridden, superstitious Dark Age. It was not until his own era, the "Age of Reason", with its emphasis on rational thought, it was believed, that human history could resume its progress. Gibbon's