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
Decline of the Byzantine Empire former self. The death of Michael VIII in 1282 marks the last period of Byzantine success on anything more than a minor scale. From this date onwards, the empire entered its final decline. The history of the empire includes a number of periods of crisis, interspersed with periods of at least partial recovery: In the 5th – 7th century, the Eastern Roman or Byzantine Empire was a continuation of the Roman Empire. The loss of the Western territories in the 5th century led to the loss of some important cities such as Rome. The creation of the Germanic states of