History of Rome (Mommsen) historian of his century or of ours. His only rival in any century was Edward Gibbon, whose monumental History of the Decline and Fall of the Roman Empire complements rather than competes with Mommsen's superb description of the Roman republic." One encyclopaedic reference summarizes: "Equally great as antiquary, jurist, political and social historian, Mommsen [had] no rivals. He combined the power of minute investigation with a singular faculty for bold generalization... ." About the "History of Rome" the universal historian Arnold J. Toynbee writes, "Mommsen wrote a great book, which certainly will always be reckoned among the masterpieces of Western
Decline of the Byzantine Empire fell into decline. After the Battle of Manzikert (1071) it lost control of Anatolia, and while the Komnenos dynasty restored a degree of stability in the 12th century with help from the First Crusade, the empire was captured and partitioned by the Crusaders themselves in the Fourth Crusade in 1204. Even after Byzantine rule was restored in 1261, the empire was now a shadow of its former self, and after the end of the Crusades, the empire had little to set against the rise of the Ottoman Empire during the late medieval period, and was eventually conquered with the Fall