The period of ever splendor is known as Pax Romana, for the relative state of harmony which prevailed in the regions under Roman rule.
Cesar Augusto closed the gates of Jano's temple, which he remained open for times of war when he believed he had won the songs and the stories in the year 24 BC.
It is accepted at the beginning of this period year 29 BC when Augusto declared the end of civil wars and their duration until the death of Marco Aurelio (180).
With Emperor Diocletian, the Empire was reorganized, but after Constantine I the Great, it was not unified because Theodosius I Great divided it between his two sons, Arcadio and Flavio Honorio giving to one of the Byzantine Empire and another of the Roman Empire of the West.
Barbarian invasions will end the Western Empire in 476, beginning the Medieval.
XYZ Medieval
The Ostrogoths were a group of goths who the Hunas had subdued, but after their deliverance, Theodorico the Great, with the blessing of the Emperor of the East, led his people to Italy in 488.
In the peninsula, Odoacro ruled after the Empire in 476, but after a country in the northern part of the peninsula, Theodorico tossed the capital, Ravenna, killing Odoacro in 493.
