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 Empire of Late Antiquity already looked very different from classical Rome. The Roman Empire emerged from the Roman Republic when Julius Caesar and Augustus Caesar transformed it from a republic into a monarchy. Rome reached its zenith in the 2nd century, then fortunes slowly declined (with many revivals and restorations along the way). The reasons for the decline of the Empire are still debated today, and are likely multiple. Historians infer that the population appears to have diminished in many provinces—especially western Europe—from the diminishing size of fortifications built to protect the cities from barbarian incursions from the 3rd century