Gennadius (7th Century)

Gennadius ( el, Γεννάδιος, Gennádios, died ), was a Byzantine general who exercised the role of Exarch of Africa from 648 to 665. In 664 Gennadius rebelled against Emperor Constans II and was himself overthrown the next year by a loyalist uprising. He is sometimes enumerated as Gennadius II in reference to the 6th century governor of Africa with the same name.

Biography

Background

In 646, the Exarch of Africa Gregory the Patrician launched a rebellion against Constans. The obvious reason was the latter's support for Monothelitism, but it was also a reaction to the Muslim conquest of Egypt, and the threat this presented to Byzantine Africa. Given the failure of the imperial government in Constantinople to stop the Muslim advance, it was, in the words of Charles Diehl, "a great temptation for the powerful governor of Africa to secede from the feeble and remote empire that seemed incapable of defending its subjects". Doctrinal differences, as well as the long-established autonomy of the African exarchate, reinforced this tendency. The Arab chronicler al-Tabari on the other hand claims that Gregory's revolt was provoked by a levy of 300 pounds of gold demanded by Constans.

In 647 the Arab Abdallah ibn Sa'ad invaded the Exarchate with 20,000 men. The Muslims moved through western Tripolitania and advanced up to the northern boundary of the Byzantine province of Byzacena. Gregory confronted the Arabs on their return at the Battle of Sufetula, but was defeated and killed. After the defeat of Gregory the Arab victors raided far and wide across the Exarchate while the Byzantines withdrew to their fortresses.

Exarch

Gennadius was a Byzantine general who served under the Emperor Constans II (). He assumed the position of Exarch of Africa after the death of Gregory. Although the emperor had not appointed him to the position, he managed to ensure the Arab withdrawal from Byzantine North Africa by promising them an annual tribute of 330,000 ''nomismata'', over two tons of gold, and was confirmed in his position.. Like his predecessors, he acknowledged the authority of Constans, and transported to Constantinople the annual excess revenue raised from the province. He nevertheless administered Africa semi-autonomously, without interference from the imperial court, supported by the African bishops who were resolutely Chalcedonian, unlike the Emperor.

The local population was disaffected. The Arab pillaging had caused them to lose faith in the ability of the Byzantines to defend them, while taxation increased sharply to pay the Arab tribute, the requirements of Constantinople and to rebuild the army. The Berber tribes in particular shook off their allegiance to the Empire, and most of southern Tunisia seems to have slipped outside the control of Carthage during Gennadius' tenure.

This situation persisted until 663 when Constans moved the imperial court to Syracuse in Sicily, much closer to the Exarchate, and demanded an increase in tribute. In 664 Gennadius refused to send to Constans the additional revenue and expelled the emperor’s representative. This caused an uprising in Africa, where the garrison troops joined with the local citizens, led by Eleutherios the Younger, to expel Gennadius in 665. Eleutherios installed himself as the new exarch and was in time confirmed by Constans. Gennadius fled to the court of Muawiyah I (r. 661–680), 1st caliph of the Umayyad Caliphate at Damascus, where he asked him for aid in recapturing Carthage. The Caliph agreed and sent a large force with Gennadius to invade Byzantine Africa in 665. However, Gennadius died when he reached Alexandria in late 665..

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{{DEFAULTSORT:Gennadius (7th Century)
7th-century births
665 deaths
7th-century Byzantine military personnel
Byzantine generals
Exarchs of Africa
Byzantine defectors
Byzantine people of the Arab–Byzantine wars