History of the Roman Empire founder of the brief Flavian dynasty, to be followed by the Nerva–Antonine dynasty which produced the "Five Good Emperors": Nerva, Trajan, Hadrian, Antoninus Pius and the philosophically inclined Marcus Aurelius. In the view of the Greek historian Dio Cassius, a contemporary observer, the accession of the emperor Commodus in 180 AD marked the descent "from a kingdom of gold to one of rust and iron"—a famous comment which has led some historians, notably Edward Gibbon, to take Commodus' reign as the beginning of the decline of the Roman Empire. In 212, during the reign of Caracalla, Roman citizenship was granted
Considerations on the Causes of the Greatness of the Romans and their Decline Considerations on the Causes of the Greatness of the Romans and their Decline Considerations on the Causes of the Greatness of the Romans and their Decline (French: "Considérations sur les causes de la grandeur des Romains et de leur décadence") is an 18th-century book written by French political philosopher Montesquieu. First published in 1734, it is widely considered by scholars to be among Montesquieu's best known works and was an inspiration to Gibbon's more extensive "The History of the Decline and Fall of the Roman Empire". In 1734, the book was first published anonymously as an octavo by Jacques Desbordes