Exarchate of Africa
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The Exarchate of Africa was a division of the Byzantine Empire centered at Carthage, Tunisia, which encompassed its possessions on the Western Mediterranean. Ruled by an exarch (viceroy) it was established by the Emperor Maurice in the late 580s and survived until the Muslim conquest of the Maghreb in the late 7th century. It was one of two exarchates established following the western reconquests under Emperor Justinian to more effectively administer the territories, along with the Exarchate of Ravenna.
|Exarchate of Africa|
|Exarchate of the Byzantine Empire|
|Byzantine Empire in 600 AD.|
|Historical era||Early Middle Ages|
|•||Foundation of Exarchate||585/590|
|•||First Arab expedition||647|
|•||Battle of Carthage (698)||698|
The Maghreb along with Corsica and Sardinia and the Balearic Islands were reconquered by the Byzantine Empire 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 administered as the new province of Spania.
After the death of Justinian, the Empire was increasingly attacked on all fronts, and the remoter provinces were often left to themselves to cope as best they could for extended periods, although military officers, such as Heraclius the Elder, continued to rotate between the eastern provinces and Africa. By the 640s and 650s Byantium had lost its province of Mesopotamia to the Muslims, as well as its Sassanian opponent, and was thereby cut off from an important source of experienced officers seasoned by constant border warfare with the Persians. The Heraclian dynasty did continue to appoint some competent eastern officers to African posts, such as the Armenian Narseh, who commanded Tripoli, and John, the dux of Tigisis. Walter Kaegi speculates that some Armenian officers might have asked to transfer back to the east to defend their homes as the Muslims advanced into Armenia, but the sources are silent. Yet the officers who continued to arrive from the east after the loss of Mesopotamia would have been more accustomed to defeats like the Battle of Yarmouk than the previously winning strategies used against the Sassanians, and new tactics and strategies developed slowly.:100–104
Establishment of the ExarchateEdit
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 sometime between 585 and 590 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 its 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. The first African exarch was the patricius Gennadius.:273
Among the provincial changes, Tripolitania was detached from Africa and placed under the province of Egypt,:120 Mauretania Caesariensis and Mauretania Sitifensis were merged to form the new province of "Mauretania Prima", while Mauretania Tingitana, effectively reduced to the city of Septum (Ceuta), was combined with the citadels of the Spanish coast (Spania) and the Balearic Islands to form "Mauretania Secunda".:273
The Visigothic Kingdom 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 c. 624 by the Visigoths. The Byzantines retained only the fort of Septum (modern Ceuta), across the Strait of Gibraltar.
During the successful revolt of the exarch of Carthage, Heraclius the Elder, and his namesake son Heraclius in 608, the Berbers comprised a large portion of the fleet that transported Heraclius to Constantinople. Due to religious and political ambitions, the Exarch Gregory the Patrician (who 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 conquestEdit
The first Islamic expeditions began with an initiative from Egypt under the emir 'Amr ibn al-'As and his nephew Uqba ibn Nafi. Sensing Roman weakness they conquered Barca, in Cyrenaica, then moved on to Tripolitania, where they encountered resistance.
Due to the unrest caused by theological disputes concerning Monothelitism and Monoenergism, the Exarchate under Gregory the Patrician distanced itself from the empire in open revolt. The flood of refugees from Egypt (especially Melkites), Palestine, and Syria exacerbated religious tensions in Carthage 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 confronted the Muslims, but was defeated at the Battle of Sufetula, the new capital of the exarchate, since Gregory had moved to the interior for a better defense against Roman attacks 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 and caused unrest amongst the population.
The Exarchate scored a major victory over the forces of Uqba ibn Nafi at the Battle of Vescera in 682, aided by the Berber king, Kusaila. This victory forced the Muslim forces to retreat to Egypt, giving the Exarchate a decade's respite. However, 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 Carthage. Many of its defenders were Visigoths sent to defend the Exarchate by Wittiza, who also feared Muslim expansion. Many Visigoths fought to the death; in the ensuing battle 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 Carthage and Egypt were Constantinople's main sources of manpower and grain. The Byzantines would never recover their lost territories in Africa.
Known and postulated Exarchs of AfricaEdit
|591–598||Gennadius (I)||Gennadius||Γεννάδιος (Gennadios)||n/a||Last magister militum per Africam and first Exarch, victor over the Romano-Berber realm of Altava.|
|598 or 602–611||Heraclius the Elder||Heraclius||Ἡράκλειος (Herakleios)||n/a||Father of the emperor Heraclius|
|?–629||(?Niketas)||Nicetas||Νικήτας (Nikētas)||n/a||A cousin of the emperor Heraclius, named as a patrikios in connection with Africa, may have been a de facto exarch, exercising gubernatorial power in the 610s and 20s, possibly as late as 629.[nb 1] His daughter Gregoria was married to Heraclius's eldest son. The elder brother of the emperor was a hypostrategos under the exarch at this time, who is not explicitly named.:94–5 Not to be confused with Nicetas the Patrician.|
|641(?)–647/48||Gregory the Patrician||Flavius Gregorius||Γρηγόριος, Φλάβιος Γρηγόριος (Grēgorios, Flabios Grēgorios)||n/a||Led a revolt against the Emperor Constans II|
|647/48–665||Gennadius (II)||Gennadius||Γεννάδιος (Gennádios)||n/a||Remained loyal to Constans II, overthrown in the military revolt against Constans that ended in the latter's assassination|
|after 665||Eleutherios the Younger||Eleutherius||Ελευθέριος (Eleuthérios)||al-At'riyūn||Possibly Exarch of Carthage. The Arabic al-At'riyūn is commonly read as Eleutherios. He overthrew Gennadios.|
|about 711||Julian, Count of Ceuta||(?Julianus)||(?Ιουλιανός)||يليان, بليان (Yulyan, Bilyan)[nb 2]||"Commander of Septem". According to some scholars, possibly last Exarch of Africa.[according to whom?] Historicity disputed by others.|
- Based on mention of him in ecclesiastical sources such as Anastasius the Sinaite, who likely recorded events within a few decades of their occurrence and Georgius Monachus, cited in :94
- Modern Arabic: يوليان كونت سبتة, Youliān Kont Sabteh; in one Classical manuscript بليان, Bīlyan the latter is probably a copying error, according to the translator.:47
- Kaegi, Walter (2010). Muslim Expansion and Byzantine Collapse in North Africa. Cambridge University Press. ISBN 9780521196772.
- Julien, C.A. (1931). Histoire de l'Afrique du Nord vol. 1 - Des origines a la conquête arabe. 1 (1961 ed.). Paris: Payot.
- Hrbek, Ivan, ed. (1992). General History of Africa (Abridged Edition): Volume III, Africa from the Seventh to the Eleventh Century. 3. James Currey Publishers, University of California Press et al. in Association with UNESCO Press.
- Anastasius the Sinaite (1902). Delehaye, Hippolyte, ed. Synaxarium Ecclesiae Constantinopolitanae e Codice Sirmondiano Nunc Berolinensi [Synaxarium of the Church of Constantinople from the Sirmondian Codex now in Berlin] (in Greek). Brussels: Society of Bollandists.
- George Harmatolus; et al. Chronicon 678-3 (in Ancient Greek).
- Ibn Abd-el-Hakem (1858). Dhikr Fatḥ Al-Andalus: Ibn Abd-el-Hakem's History of the Conquest of Spain. Translated by John Harris Jones. Gottingen: W. Fr. Kaestner.
- Diehl, Charles (1896). L'Afrique Byzantine. Histoire de la Domination Byzantine en Afrique (533–709) (in French). Paris, France: Ernest Leroux.
- Pringle, Denys (1981). The Defence of Byzantine Africa from Justinian to the Arab Conquest: An Account of the Military History and Archaeology of the African Provinces in the Sixth and Seventh Century. Oxford, United Kingdom: British Archaeological Reports. ISBN 0-86054-119-3.