Fall of the Western Roman Empire collapse. Since 1776, when Edward Gibbon published the first volume of his "The History of the Decline and Fall of the Roman Empire", Decline and Fall has been the theme around which much of the history of the Roman Empire has been structured. "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." The Fall is not the only unifying concept for these events; the period described as Late Antiquity emphasizes the cultural continuities
Decline of the Byzantine Empire significant factors in the decline of the Byzantine empire. As one of the main institutional strengths of the Byzantine state, the theme system was never replaced by a viable long-term alternative. This left the empire lacking in underlying structural strengths. The result was an empire that depended more than ever before on the strengths of each individual emperor or dynasty. The collapse of imperial power and authority after 1185 revealed the inadequacy of this approach. Decline of the Byzantine Empire The Byzantine Empire (the Eastern Roman Empire during the medieval period, after the fall of the Western Roman Empire) following