Belisarius was entirely successful in his African campaign. On 15th September 533, he entered Carthage, and “was received by the majority of the citizens who spoke the Latin tongue and professed the Catholic Faith with unconcealed rejoicing.” And as it happened he entered Carthage only to hear of Hilderic’s murder. Before the end of the year the reconquest was complete. Africa was once more and in reality a province of the empire, and offered an excellent base of operations for the conquest of Italy, now to be undertaken.
In the summer of 535, eighteen months later, Justinian began the great war against the Goths, the opportunity for which was offered him by the murder of Amalasuntha, and the result of which was to be the re-establishment of the empire in Italy. Rightly understood the true service of Theodoric—and it was a real and a precious service—was that the thirty years of settled government and peace which he had given Italy had prepared the way for the reconquest.
That reconquest occupied five years. It was begun with an attack upon Sicily and proceeded northward by way of Naples and Rome to Ravenna, with the fall of which it was achieved. From a purely strategical point of view Belisarius was wrong to attack Sicily first and to carry the campaign from south to north; he should have attacked Ravenna first, and from the sea, and thus possessed himself of the key of Italy, and this especially as his base was Constantinople. But politically he was absolutely right. Sicily was almost empty of Gothic troops and the provincials were eagerly Catholic and only too willing to make a real part of the Roman empire. Thus the campaign opened with surrender after surrender, was indeed almost a procession; only Palermo offered resistance, and this because it was held by a garrison of Goths; but before the end of 535 the whole island was once more subject to the empire.
Early in 536 a rebellion in Africa, which proved to be little more than a mutiny in Carthage, took Belisarius away; but he was back in Sicily before the end of the spring, and in the early summer was marching through southern Italy almost unresisted, welcomed everywhere with joy and thanksgiving till he came to the fortress of Naples, which was held by a Gothic garrison. Here the people wished to welcome him and surrender the city, but were prevented by the garrison, which, however, was soon cleverly outwitted and taken prisoner, and by the end of November all southern Italy was in Belisarius’ hands.
The fall of Naples brought Theodahad to the ground. The Goths deposed him and raised upon their shields Vitiges the soldier. As for Theodahad he was overtaken on the road to Ravenna, whither he was flying, and his throat was cut as he lay on the pavement of the way, “as a priest cuts the throat of his victim.”