Exarchate of Africa


Exarchate of Africa

Infobox Former Subdivision
Image

native_name = aut|Exarchatus Africae
conventional_long_name = Exarchate of Africa
common_name = Exarchate of Africa
continent = Africa, Europe
subdivision = Exarchate
nation = the East Roman Empire
era = Late Antiquity
capital = Carthage|
year_start = 590
event_start = Foundation of Exarchate
year_end = 698
event_end = Fall of Carthage
event1 = First Arab invasion
date_event1 = 647
p1 = Praetorian prefecture of Africa
s1 = Umayyads
s2 = Visigoths

The Exarchate of Africa or of Carthage, after its capital, was the name of an administrative division of the Eastern Roman Empire encompassing its possessions on the Western Mediterranean, ruled by an "exarch", or viceroy. It was created by emperor Maurice in the late 580s and survived until its conquest by the Muslims in the late 7th century.

History

Background

Northwestern Africa, along with Sardinia, Corsica and the Balearics was reconquered by the Romans under Belisarius in the Vandalic War of 533, and reorganized as the Praetorian prefecture of Africa by Justinian I. It included the provinces of Africa Proconsularis, Byzacena, Tripolitania, Numidia, Mauretania Caesariensis and Mauretania Sitifensis, and was centered at Carthage. In the 560s, a Roman expedition succeeded in regaining parts of southern Spain, which were administrated as the new province of Spania. After the death of Justinian, the Empire came into increasing attacks on all fronts, and the remoter provinces were often left to themselves to cope as best as they could, with Constantinople unable to provide assistance.

Establishment of the Exarchate

The Late Roman administrative system, as established by Diocletian, provided for a clear distinction between civil and military offices, primarily to lessen the possibility of rebellion by over-powerful provincial governors. Under Justinian I, the process was partially reversed for provinces which were judged to be especially vulnerable or in internal disorder. Capitalizing upon this precedent and taking it one step further, the emperor Maurice in 584 created the office of exarch, which combined the supreme civil authority of a Praetorian prefect and the military authority of a Magister Militum, and enjoyed considerable autonomy from Constantinople. Two exarchates were established, one in Italy, with seat at Ravenna (hence known as the Exarchate of Ravenna), and one in Africa, based at Carthage and including all imperial possessions in the Western Mediterranean.

According to the early 7th century "Descriptio Orbis Romani" of Georgios Cyprius, the new exarchate consisted of the following provinces, now termed in Greek, "eparchies": "Proconsularis", "Byzacena", "Numidia", "Mauretania Prima", incorporating the old provinces of "Mauretania Sitifensis" and "Mauretania Caesariensis", "Mauretania Secunda", incorporating the former "Mauretania Tingitana" and the remaining territories of Spania and the Balearics, and finally, the islands of Sardinia and Corsica as a separate province.

The African Exarchate enjoyed comparative stability despite a tense relationship and violent confrontations with many of the Amazigh tribes in the 6th and 7th centuries. After concluding peace with Persia, Maurice did not have to worry about the situation in the west and could entirely focus on the Balkans. Heraclius' attempt to move the capital from Constantinople to Carthage in 618 is further proof of its stability.

The Visigothic kingdom in Spain was also a continuous threat. The African exarch was in possession of Mauretania II, which was little more than a tiny outpost in southern Spain. The conflict continued until the final conquest of the last Spanish strongholds in ca. 624 by the Visigoths. The Byzantines retained only the fort of Septum (modern Ceuta), across Gibraltar.

In Africa, many of the Amazigh tribes, like the Aures and the principality of Masuna, opposed Roman power, but some tribes, including the off shoots of the Sanhaja and Zenata, were Roman allies.

During the successful revolt of the exarch of Carthage Heraclius in 608, the Amazigh comprised a large portion of the fleet that transported Heraclius to Constantinople. Due to religious and political ambitions, the Exarch Gregory the Patrician(who ironically was related by blood to the imperial family, through the emperor’s cousin Nicetas) declared himself independent of Constantinople in 647. At this time the influence and power of the exarchate was exemplified in the forces gathered by Gregory in the battle of Sufetula also in that year where more than 100,000 men of Amazigh origin fought for Gregory.

The Arab Muslim Conquest

The first Islamic expeditions began with an initiative from Egypt under the emir Amr Ibn Al-as and his nephew Uqba Ibn al Nafia al Fihri. Sensing Roman weakness they conquered Barqa, in Cyrenaica, then successively on to Tripolitania where they encountered resistance. Due to the unrest caused by theological disputes concerning Monothelitism and Monoenergism the Exarchate under Gregory distanced itself from the empire in open revolt. Carthage being flooded with refugees from Egypt (especially Melkites), Palestine and Syria exacerbated religious tensions and further raised the alarm to Gregory of the approaching Arab threat. Sensing that the more immediate danger came from the Muslim forces Gregory gathered his allies and initiated a confrontation with the Muslims and was defeated at the Battle of Sufetula, which was actually the capital of the exarchate under Gregory.

The exarchate reverted to imperial rule after Gregory was killed in battle against the Muslims under Abdallah ibn al-Sa’ad at Sufetula. Carthage also once again became the capital of it, since Gregory had moved to the interior for a better defense against Roman counter-offensives from the sea. Afterwards the exarchate became a semi-client state under a new Exarch called Gennadius. Attempting to maintain tributary status with Constantinople and Damascus strained the resources of the exarchate caused unrest amongst the population.

With tenuous Byzantine control confined to a few poorly defended coastal strongholds, the Arab horsemen who first crossed into Cyrenaica in 642 encountered little resistance. The peak of resistance reached by the exarchate with assistance from its Amazigh allies (led by king Kaisula ait Lamazm) was the victory over the forces of Uqba Ibn Nafia at the Battle of Biskra in 682. The victory caused the Muslim forces to retreat to Egypt, giving the Exarchate a decade's respite. The repeated confrontations took their toll on the dwindling and ever-divided resources of the Exarchate. In 698, the Muslim commander Hasan ibn al-Nu'man and a force of 40,000 men crushed Roman Carthage. Many of its defenders were Visigoths sent to defend the Exarchate by their king, who also feared Muslim expansion. Many Visgoths fought to the death; in the ensuing battle Roman Carthage was again reduced to rubble, as it had been centuries earlier by the Romans.

The loss of the mainland African exarchate was an enormous blow to the Byzantine empire in the Western Mediterranean because both Carthage and Egypt were Constantinople's main sources of manpower and grain.

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