In The Invasion of Europe by the Barbarians, distinguished historian J.B. Bury offers a narrative account of the deluge of barbarian invasions, and mass migrations which afflicted the Roman Empire in the fifth century AD. He also chronicles the early evolution of the barbarian kingdoms in Western Europe throughout late antiquity.
The chapter Bury dedicates to the decline of Roman power in the western half of the empire centers on the institutional collapse of the state, and the ensuing snowball of barbarianization within the army. The barbarianization of the army thus allowed for the eventual consummation of an Italian kingdom under the rule of the barbarian warlord Odovacar.
“The contribution which the Vandals made to the shaping of Europe was this: the very existence of their kingdom in Africa, and of their naval power in the Mediterranean, acted as a powerful protection for the growth of the new German kingdoms in Gaul and Spain, and ultimately helped the founding of a German kingdom in Italy, by dividing, diverting, and weakening the forces of the Empire. The Vandals had got round, as it were, to the rear of the Empire; and the effect of their powerful presence there was enhanced by the hostile and aggressive attitude which they continuously adopted.
“He (Ricimer) became through circumstances an emperor-maker; and his difficulty was this. If he set up too strong a man, his own power would have probably been overridden; his own fall would have been the consequence; while on the other hand weak upstarts were unable to maintain their position for any length of time, since public opinion did not respect them.
“It is also to be noted that in the intervals between the reigns of the emperors whom Ricimer set up and pulled down, when there was no emperor regnant in Italy, it did not mean that there was no emperor at all. At such times the imperial authority was entirely invested in the eastern emperor who reigned at Constantinople, the Emperor Leo; and this, too, was fully acknowledged by Ricimer, who indeed selected two of his emperors by arrangement with Leo.
“Odovacar had statesmanlike qualities, and he decided against the system of Ricimer, which had proved thoroughly unsatisfactory and unstable. His idea was to rule Italy under the imperial authority of Constantinople, unhampered by a second emperor in Italy, whom recent experiences had show to be worse than useless. There would have been no difficulty for Odovacar in adopting this policy, if there had existed no second emperor at the time; but Julius Nepos was still alive, and, what was most important, he had been recognized at Constantinople.
“Odovacar was not hampered, as Ricimer had been, by the nominal authority of a resident emperor; he was able to pursue his own policy without any embarrassment, and to act as an independent ruler. His policy was one of peace; he was entirely averse from aggression. It must be noted, too, that his position was much easier than that of Ricimer, because the Vandal hostilities had ceased. Gaiseric had died in 477; and two years before his death he had made peace with Rome, and Odovacar had induced him to restore Sicily in return for a yearly payment.
*All excerpts have been taken from The Invasion of Europe by the Barbarians, Endeavour Press Ltd.