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
Historiography of the fall of the Western Roman Empire the Huns as deeply significant in the fall of the Western Empire long before they themselves became a military threat to the Empire. He postulates that the Hunnic expansion caused unprecedented immigration in 376 and 406 by barbarian groupings who had become significantly more politically and militarily capable than in previous eras. This impacted an empire already at maximum stretch due to the Sassanid pressure. Essentially he argues that the external pressures of 376–470 could have brought the Western Empire down at any point in its history. He disputes Gibbon's contention that Christianity and moral decay led to the decline.