Byzantine rule in North Africa spanned around 175 years. It began in the years 533/534 with the reconquest of territory formerly belonging to the Western Roman Empire by the Eastern Roman (Byzantine) Empire under Justinian I and ended during the reign of Justinian II with the conquest of Carthage (698) and the last Byzantine outposts, especially Septem (708/711), in the course of Islamic expansion. [1]
The region's administrative structure was initially in line with the typical late Roman administrative structures that had been existing for the past 300 years. Civil powers were thus in the hands of a Praetorian prefect, the head of the supreme civil administrative authority in the Late Roman Empire. The military powers, however, were incumbent on a Magister militum per Africam. These powers were merged into single office from 591 at the latest, and East Roman North Africa became the heartland of one of two exarchates, with the founding of which the East Roman Emperor Maurice (582–602) was able to counteract the consequences of imperial overstretch through bundling and decentralization. No further change in these administrative structures took place until the end of Byzantine rule.
The reconquest of this region was of the greatest strategic and economic significance and the most enduring of all conquests in the West. While the Lombard kingdom was established in parts of East Roman Italy after 568 and East Roman rule in southern Spain came to an end amidst the final and most desperate Roman-Persian war, the areas reconquered in the Maghreb remained entirely in the East Roman hands until the Islamic expansion. This made the region the most important cornerstone of Eastern Roman/Byzantine power in the West.
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The rapid establishment of Eastern Roman rule in today's Maghreb was the result of the increasing political vacuum in the African provinces of the former Western Empire and the Germanic successor state of the Vandals, which was primarily characterized by the dissolution of regional power and administrative structures.
With the partition of the empire in 395, all Roman areas in Africa west of the Great Syrte became part of the Western Roman Empire. Specifically, these were the provinces of Tripolitania, Byzacena, Zeugitana (also called Proconsularis provincia or Africa proconsularis), Numidia, Mauretania Sitifensis, Mauretania Caesariensis and Mauretania Tingitana. These provinces could be considered, at least in part, to be the heart of the western empire, since they supplied Italy with grain and generated a large part of the western empire's tax revenues. From 429 they were caught up in the political turmoil of the migration of peoples by the Vandals crossing at Septem. At the latest after the assassination of Emperor Valentinian III. In 455 no region in Africa was under Western Roman rule.
In parts of western Roman North Africa in 439, with the conquest of Carthage by the Vandals under their king Geiseric, a de facto independent empire ruled by predominantly Germanic warriors had been established. This Vandal Kingdom dominated the western Mediterranean region with its powerful fleet and brought Corsica and Sardinia, the Balearic Islands and the western tip of Sicily under his control. [2] This was extremely consequential for Western Rome, as Africa was a rich and heavily urbanized province; In addition to olive production, the function of the province as a granary for Western Rome, especially Italy, was of central importance. [3]
In 441 an Eastern Roman attempt to defeat the Vandal fleet and end their rule failed. Rather, the Western Roman Empire had to recognize the Vandal rule east of Numidia in a treaty in 442. [4] In 468, the kingdom of the Vandals became the target of another, this time large-scale, joint venture between the Western Empire under Anthemius and the Eastern Roman Empire under Leo I. However, this Vandal campaign failed catastrophically, mainly because the Vandal king Gaiseric succeeded in setting fire to the large Roman fleet. After Vandal raids along the coast of eastern Roman Illyricum (and possibly the failure of another, smaller Roman campaign in 470), the eastern Roman emperor Zeno guaranteed the Geiseric family in a treaty (foedus) in 475 ownership of the province of Africa and the islands; subsequently there were no more conflicts between the Vandal Kingdom and the Eastern Roman Empire for decades.
In the 94 years of its existence, the kingdom of the Vandals was characterized by dynastic disputes over dominance and, above all, by the contrast between the Nicene Roman population and the Vandals, who were Romanized but adhered to the Arian faith of Christianity. In addition, they had considerable difficulties in defending the national borders against the Berbers or in keeping the Berbers under Vandal rule under control. [5] This situation prompted large landowners and smallholders alike to fortify their farms. [6] However, contrary to older opinions, the time of the Vandal Kingdom was not an era of serious economic decline, rather trade relations continued, [7] although probably limited by the independence of the Vandal Kingdom and its aggressive foreign policy, especially under Geiseric. [8]
In the years following 439, Numidia and the provinces of ancient Mauritania initially remained under Western Roman rule . [9] Here, the Western Roman Emperor Valentinian III approved the raising of private armies by large landowners because he hoped that this would lead to attacks on Vandal territory. [4] After the assassination of Valentinian III, this warlord-like status of large landowners prompted the disintegration of these provinces into various small empires, which were perceived as Berber in the public of the rest of the Mediterranean area and especially in the region around Carthage. [10] Numidia and the coastal areas of the Mauritanian provinces were immediately conquered by the Vandals, but after the death of the Vandal king Huneric in 484, some seceded from the Vandal Kingdom. Roman-Berber areas persisted throughout the Mauritanian provinces, above all a Regnum Maurorum et Romanorum with the capital Altava, whose importance continued to increase until the 570s. The exclusively Berber character of these areas, which were predominantly not under Vandal rule and were formerly Western Roman, has now been completely refuted. [11] In particular, the regions around Altava as well as Lixus and Volubilis in the extremely western Mauretania Tingitana showed continued existence of the old trade connections and Latin grave inscriptions, in some cases up to the year 655. [12] In addition, the petty kingdoms of this region welcomed many Romans who were persecuted by the Vandals for religious and other reasons. [13]
In its final years, the Vandal Kingdom was ringed with hostile Romano-Berber petty kingdoms and was under constant attacks from them. Under the penultimate Vandal king, Hilderic, who was intent on reaching a settlement with the East and turning away from Arianism, the foreign and domestic political difficulties of his empire increased considerably, with a Vandal defeat against the Berbers leading to his fall at the hands of Gelimer in 530. The last Vandal king Gelimer, on the other hand, not only saw himself confronted with the threat from the Berbers after the coup d'etat, but also had to send part of his army and fleet to Sardinia to put down an uprising by the noble Godas there, and at the same time he had to face another uprising of the Tripolitan governor Prudentius initially watched idly. [14]
Under these conditions, the Eastern Roman Emperor Justinian I began the Vandal War in 533, which also enabled him to divert attention from the after-effects of the Nika riots of the previous year. [15] He sent an army led by Belisarius and 15,000 infantry and cavalry to Carthage and a smaller army to support Prudentius in Tripolitania. [16] These troops were able to conquer most of the Vandals' domain within nine months [17] – a circumstance that was possibly additionally favored by the fact that some Roman-Berber petty empires saw a reason for war in the fall of Hilderich in a similar way as the Eastern Roman emperor did. [18]
Christianity spread in the area of today's Maghreb during the Roman period from the 3rd century and was the dominant religion in late antiquity and probably also in the early Middle Ages. Up to three Christian faiths were represented here, which disappeared at the latest through Islamization from the beginning of the 8th century.
The majority of Christians in the Maghreb consisted consistently of Latino-Nicene Christians, who thus belonged to the faith that was the state religion of the Roman Empire. The Vandal rule with the associated suppression of the Latin-Nicene faith also had an effect in the Eastern Roman period. On the one hand, state control and the direct influence of the pope were absent for around a century. This required and established a certain degree of autonomy from local church dignitaries and religious scholars, who did not want to give them back to the Eastern Roman Emperor. [19] The region in particular was more open to religious debates than other provinces of the Roman Empire. [20] On the other hand, the Latino-Nicene Christian communities in the Maghreb had developed an aversion to any deviation from the ecumenical councils. [21] As far as Byzantine emperors tried to reach an agreement with oriental faiths through compromises such as the three-chapter dispute or monotheletism, this was rejected in the Maghreb [22] much in the same way as in Italy and thus burdened the cohesion of the empire. Together with the considerably more significant spatial expansion, population and economic power compared to the Italian possessions of the Byzantine Empire and the resulting lower dependence of the Byzantine Maghreb, this even led to secession. The Greek monk Maximus Confessor, who stayed in the Maghreb between 628 and 645 and became the mouthpiece of the African church, played a special role here [23] and perceived the new doctrine as an unthinkable compromise with the Monophysites and condemned monotheletism in a Lateran synod headed by Pope Martin I.
In the Maghreb, as early as the last phase of the persecution of Christians in the Roman Empire, Donatism (named after Donatus Magnus, 315 to 355 primate of the Donatists) split off from the Western Church in the 4th and 5th centuries. This split, which had developed its own ecclesiology, remained limited to north-west Africa. The Donatist communities were the dominant faith in Mauretania Sitifensis and Numidia until the western Roman persecution from 411 onwards, were on par with the Latin-Nicene communities in the western regions of the Mauritanian provinces and in Tripolitania, whereas they were a strong minority in the Byzacena and represented in all other parts of Africa, [24] whereby they seem to have been particularly widespread among the Berbers. [25] The Donatists were also suppressed under the Vandals as well as under the Eastern Romans. [26] During the Byzantine era, their trace disappeared. The extent to which Donatists were also persecuted in the Roman-Berber petty kingdoms has not been researched, but given the evidence of religious tolerance at the time of the Vandals and the lack of any information on suppression afterwards, persecution can probably be denied.
The conquest by the Arian Vandals was accompanied by the arrival of Arianism as the third Christian faith in the Maghreb, which, as the state religion of the Vandal Kingdom, stood in contrast to the Nicene creed of the emperors of both Roman halves, but also of the majority of the population in the Maghreb. Clergymen were exiled, monasteries dissolved and believers of the Nicene Confession put under pressure. However, the persecution by the Vandals met resistance from Catholic Christians as well as Donatists and ended with the Eastern Roman reconquest. From then on, the Arians were also an oppressed minority.
From then until the conquest by the Arabs, there were parallel Latin-Nicene, Greek(Byzantine)-Nicene and Homoean-non-Nicene (Arian) and probably also Donatist Christians in North Africa and Sardinia.
It is unclear when the first Jewish communities in the Maghreb came into being, because Jewish traders may have settled there when the Phoenicians, who were also Semitic, established trading posts. At the latest since the Hadrianic founding of the city of Aelia Capitolina and the province of Palaestina, the Jews finally dispersed as a regionally tangible and cohesive people. Migrating into their diaspora, Jews also settled in the Roman Maghreb. Since Berbers subsequently converted to Judaism, it is already unclear for the pre-Islamic period to what extent the Maghreb Jews were of Berber or Israelite descent. In particular, the legend arose that the confederacy of Kāhina was Jewish. In contrast, the existence of a Judeo-Berber language is certain.
Similar to Donatists and Arians – the latter after the conquest of the Vandal Kingdom by the Eastern Romans, the Jews were also subjected to oppression, especially with regard to the ban on practicing religion, which experienced a first climax under Justinian I and in 632 under Heraclius with an edict for forced conversion across the empire also affected Byzantine North Africa. [27] It is possible that before this Christianization policy, Jews had moved to the parts of Maurentania Tingitana that were not under Byzantine rule. [28] In more recent research, however, it is pointed out that the concrete implementation of the edict throughout the empire is very questionable and the background to the measure was probably of an eschatological nature; it was hoped that this would stabilize the state at a time of religious unrest. Ultimately, however, the imperial strategy failed, [29] and Judaism in the Maghreb remained strong [30]
After Belisarius had annihilated the Vandal Kingdom with his unexpectedly quick victories over Gelimer at the Battle of Ad Decimum and the Battle of Tricamarum, its territories – and thus the economically strongest province of the former Western Roman Empire [31] – became re-incorporated into the Roman Empire without major war-related destruction.
Justinian restored the old administrative division, but raised the overall governor at Carthage to the supreme administrative rank of Praetorian Prefect, thereby ending the Diocese of Africa's traditional subordination to the Prefecture of Italy (then still under the rule of the Ostrogothic Kingdom). Seven provinces – four consular, three praesides – were designated:
From the aforesaid city, with the aid of God, seven provinces with their judges shall be controlled, of which Tingi, Carthage, Byzacium, and Tripoli, formerly under the jurisdiction of proconsuls, shall have consular rulers; while the others, that is to say, Numidia, Mauritania, and Sardinia shall, with the aid of God, be subject to governors.
— Codex Iustinianus, I.XXVII
Justinian now intended to reconquer the other regions that had been under Roman rule before the Vandals invaded and Roman-Berber petty kingdoms were established. [32] The remaining areas of the defunct Western Roman Empire in modern-day Tunisia, Libya, Algeria, and Morocco, which never [33] or not anymore [34] were under Vandal rule, were already so accustomed to their own autonomy that they did not want to recognize the restored Roman rule in Carthage. Nevertheless, the Eastern Roman dominion was consolidated on African soil [10] and extended beyond the borders of the former Vandal Kingdom, although in particular 534 to 548 exhausting battles went hand in hand with it. [34]
Wars, religious unrest and flight are discussed in contemporary historiography, but much less attention is paid to the fact that the reconquest made all the markets of the Eastern Roman Empire and later also Italy accessible again for the products of Africa. [35] In addition, intensive trade relations with the Frankish Empire are proven by corresponding coin finds. [36] In addition, the turbulent times, in particular revolts by Berbers belonging to the empire or invasions by foreign Berbers, did not lead to coin hoarding to the same extent as was the case on the Balkan Peninsula in the comparable period. [37] In addition, dramatic statements in the sources are limited to individual periods of the approximately 170-year epoch, of which a significant period of crises falls in the early period of the Praetorian Prefecture of Africa. [38]
At this point in time, like the other provinces of the Eastern Roman Empire, Africa was organized as a praetorian prefecture and initially included the areas that had previously remained in Vandal hands:
Subsequently, the following regions were recaptured:
For a time, southern Spain and the Balearic Islands were also included.
Shortly after Belisarius' victory, Carthage once again became the capital of the newly founded Praetorian Prefecture of Africa. Belisarius used the region he conquered in 535 as a base to attack Gothic Sicily, which began the Gothic War (535–554). Many Vandals were resettled east and used as soldiers there. [39] The Berbers, on the other hand, who had been won over by Belisarius as allies, did not see the empire as an ally, according to their traditions, but Belisarius as a person, which is why they immediately attacked the remaining East Roman troops after Belisarius left Africa, for example in the Battle of Mammes in 534 and the Battle of Bourgaon in 535. [40]
For their part, the formerly Vandal provinces not only had to be secured against the Berbers and – insofar as they were overrun by them during the Vandal War – conquered, but were also initially the scene of uprisings by the remaining Vandals. Some of these joined forces with dissatisfied East Roman soldiers under Stotzas, who probably made up up to two-thirds of the East Roman garrison in Africa. [41] The reason for this was, on the one hand, Justinian I's agenda to restore the detailed status quo ante in Africa. [42] This included a law from April 534 that gave the descendants of dispossessed Roman landowners the right to claim restitution from the Vandals within five years. In addition, because of this law, many Eastern Roman soldiers were encouraged by their Vandal wives to settle in the Vandal domiciles instead of fighting the Berbers. [43] With a religious law that came into force on April 1, 535, Justinian decreed the return of all Arian church property to the Chalcedonian Church and prohibited Arians, Jews and Donatists from practicing religion and holding public offices, [44] although a council convened in Carthage in 535 dealt with the questions of the reincorporation of apostate clergy and the recognition of the baptisms they performed. [39]
By starting a fortress building program, the praetorian prefect Solomon created the conditions for the Eastern Roman rule to be consolidated despite the internal and external unrest. [45] [46] This alone was not enough to overcome the resistance sparked by Emperor Justinian I's religious and domestic policies; Rather, Carthage of all places was plundered in 535/536 by its own mutinous garrison. [39]
A certain consolidation started especially from the end of 536 through the appointment of Germanus as magister militum, who ended the revolt of Stotza in 537 and then successfully reorganized the administration.
In 534, immediately after his victory over the Vandals, Belisarius had already conquered the traditional Roman legionary site of Septem, which at least at that point was no longer under Vandal rule. The extent of further conquests in the Mauretania Tingitana is not known, mainly because the retention of Roman culture and Latin language does not allow any compelling conclusions to be drawn about an Eastern Roman reconquest. The possession of Tingis, today's Tangier, can be considered reasonably certain. [47]
More important than seizing the western outpost was to bring Numidia under control, particularly the Aurès mountain region and the areas bordering to the north. With its mountain ridge, this province played a special role in defense as early as in classical Roman times and at the same time represented the outer edge of the agriculturally usable area opposite the Sahara, its south-western edge representing a natural border. [48] This was to be the task of the praetorian prefect Solomon, who was called back to Africa in 539. In 484, a few years after the death of Geiseric, the Berber tribes living there had renounced the Vandal Kingdom, with their chief Masties proclaiming himself the "Emperor" of a Roman-Berber Empire. [34] His successor Iaudas could not prevent Solomon building a Byzantine fortress in Timgad in the summer of 539 including a resettlement of this city. [49] In the years 539/540 he finally lost despite a sensational ambush using irrigation canals [50] after the battle of Babosis and Zerboule against the Eastern Romans under Solomon and had to flee to the adjacent Mauretania Caesariensis. [51] [52] However, individual remnant areas of this Roman-Berber empire south of the Aurès mountain ridge survived until the Arab conquest in 701. At an unspecified date (541?) the regions north of the Chott el Hodna followed, especially around the city Setifis, [39] possibly in conjunction with the Kingdom of Altava.
Of these regions reconquered and reincorporated from the Roman-Berber petty kings, Numidia in particular was to be the base of the mobile Byzantine troops in Africa until shortly before the end of Byzantine rule, not least because of its location on the middle section of the border. [53] Even if the directive of Justinian I was not fully implemented and large parts of the interior of the three Mauritanian provinces remained outside imperial control, [54] the reconquests represented a doubling of the eastern Roman territory in the pre-Vandal Roman Africa and at the same time shortened the border, making it effective to manage. In the following period, various fortresses were built on both the border [55] as well as within the area ruled by the Eastern Romans. [56]
Then there was a reorganization of the administration. Thus, the coastal areas of Mauretania Caesarensis and Mauretania Sitifensis were combined to form a province of Mauretania Prima, whereas the Eastern Roman possessions in Mauretania Tingitana were combined with the Balearic Islands and possibly also Spania to form the province of Mauretania Secunda. The areas inland of the Mauretania Sitifensis, on the other hand, were probably added to Numidia in 553/555. [57]
In 543, the Plague of Justinian reached the cities of Egypt by sea and spread through the trade routes within the province. Those Berbers who kept their traditional way of life were spared. To the extent that they were hostile to the Eastern Roman Empire, they waited for the epidemic to subside and then rose up. This was accompanied by a series of revolts by Berbers belonging to the empire, led by their leader Antalas, fueled by the assassination of his brother and his removal from the Byzantine payroll. The climax of this uprising was a sensational Byzantine defeat in the spring of 544 at Cilium (today Kasserine), which cost the life of the praetorian prefect and general Solomon. [58] The result was further uprisings by Berbers and Vandals under Guntarith, a Vandal nobleman who had previously also been in Byzantine service. Neither the new praetorian prefect Sergius nor the new magister militum Areobindus were able to get the situation under control. [59] It was only under the leadership of the magister militum John Troglita that Vandal attempts at restoration under Guntarith and Stotzas the Younger were thwarted in 546. The Eastern Roman campaigns between 544 and 547 initially led to failures in Tripolitania, but also to an advance as far as inland Ghirsa, [60] the consequent destruction of this cultural center of the Berber clan of the Leuathae [61] (belonging to the Zanata tribal group). Finally, in 548, the Eastern Roman troops succeeded in decisively defeating and subjugating the Berbers under Antalas on the "Fields of Cato". [62]
After this victory of John Troglita, there are no records of battles in Africa until well after his death (552). [64] The praetorian prefecture of Africa was drawn into the Gothic War in 552/553 by the temporary occupation of Corsica and Sardinia, but the African mainland was spared. Only in December 562 did a local revolt break out when the Berber leader Cutzinas, who had been loyal to the empire since the times of John Troglita, was murdered when he wanted to receive his reward. This led to an uprising led by his sons, which required a temporary expeditionary army to be sent from the eastern Roman heartland to combat them. The praetorian prefect Johannes Rogathinus blamed for the assassination and the unrest that accompanied it [65] was deposed in 564 and appointed a successor named Thomas in 564 or 565. In negotiations, this successor was able to restore the loyalty of the affected Berber tribe. The death of Emperor Justinian in 565 brought changes to Byzantine North Africa, but no turning point. New fortifications are known to have been built, such as the Thubursicu Bure Fortress in 565–569 and possibly the Thignica Fortress at the same time. The years 565-569 were also shaped by the expansion of diplomatic relations with the Garamantes in Fezzan, who were converting to Christianity, and the Maccurites (probably in Mauretania). [63]
The years of peace ended in 569/570 when there was a conflict with the Kingdom of Altava – which had previously probably expanded together with the Eastern Roman Empire at the expense of the other small states. At this point it comprised mostly the Mauretania Caesariensis with the exception of the Byzantine coastal strip to the east, making it the most important and largest of the Roman-Berber states.
The causes of this confrontation with the Eastern Roman Empire after more than 30 years of rather peaceful relations are not known. Possibly the causes were similar to the previous Berber wars and/or a certain amount of power that the kingdom of Altava had at that time. The persecution of Donatists and other religious minorities in the Eastern Roman Empire cannot be completely dismissed in view of the Donatist strongholds in western Mauritania and the associated influence on the Kingdom of Altava, although there are sources of increased persecution from the period up to 569/570 not available.
In any case, the praetorian prefect Theodor was killed by Berbers from the Altava kingdom during this period. Around 570/571 the king of Altava, Garmules, succeeded in defeating and killing two magistri militiae, Theoctistus and Amabilis. His actions, combined with the attacks of the Visigoths on the province of Hispania ulterior and the invasion of the Lombards in Italy, which had already begun in 568, represented a threat to the Eastern Roman power in the entire western Mediterranean area. Tiberius II Constantine called – either still in his function as Caesar or already as emperor – Thomas again in the office of praetorian prefect and the capable general Gennadius to magister militum to put an end to the campaigns of Garmules. Here, the Emperor Gennadius transferred some civil powers, which he anticipated parts of the reforms of his successor. The emperor may have reinforced the eastern Roman garrison in Africa by transferring some of the 15,000 mercenaries there that had probably been recruited earlier under his rule. This is supported by the fact that the emperor had the necessary breathing space by defeating the Persians in the Battle of Melitene in 576.
All that is known about the subsequent fighting is that the preparations were long and thorough, the campaign began in late 577, and Garmules lost battle and life in 578 or 579. [66]
So far it has not been clarified whether the Altava area or at least the coastal strip was subsequently incorporated into the Eastern Roman Empire. [67] Only the expansion of Byzantine fortresses by Gennadius is discussed, [68] but not their locations. In any case, the question of the incorporation of parts of the Kingdom of Altava into the Eastern Roman dominion has not yet been researched, which is why only arguments for or against the thesis can be used at the moment.
No further expansion | Incorporation of the coastal areas | Conquest/subjugation of the entire territory |
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From the period after Gennadius' campaign against the kingdom of Altava, only the explanations of Theophylactos Simokates indicate that the fighting with the weakened "Berbers" 584 had abated and that it in "all of Africa" had flared up again in 587. Due to this state of affairs, the merging of civil and military powers then became necessary. [69]
The defense of the conquered territories not only strained the resources of the empire in North Africa. The constant threat, much more so in Italy by the Lombards and in southern Spain by the Visigoths, forced the Eastern Romans to decentralize civil and military power in the conquered areas, especially since the old empire was defending itself against the Avars and Slavs in the Balkans and again since 572 of the Persian Sassanids in Asia Minor, Armenia and Syria was also exposed to some threats in his heartland. Securing the eastern provinces, which were richer, and much more directly connected to security of Constantinople itself, had to take precedence over holding the western possessions.
Under these conditions, Maurice created the exarchates of Carthage and Ravenna in order to grant his governors the greatest possible freedom of action in these areas, which were now largely left to themselves. In doing so, he granted them the powers of de facto viceroys. While civil and military powers had been separated since the early 4th century in the Later Roman Empire and this principle was maintained in the original – i.e. assigned to Eastern half at the time of partition – Byzantine land, until the mid-7th century with the introduction of theme system, this principle was now abandoned in the western possessions. This bundling of powers along with the obviously stable conditions [70] in the economically strongest province of the former western empire led to a momentum of its own, which – favored by chaotic conditions in other parts of the empire – led to revolts against the imperial central authority in Constantinople. This development came to an end with the appearance of the Arabs, around half a century before the definitive end of Byzantine rule on the African continent.
In the province of Africa, the separation of civil and military powers was repeatedly broken due to warlike events during Justinian I's lifetime, especially in the case of Solomon as praetorian prefect and Gennadius as magister militum. In this respect, the founding of the exarchates by Maurice was merely an institutionalization of what had already proven itself in times of crisis. [71] The founding of the Exarchate in Africa meant that Gennadius was also given the rest of the civil powers of the Praetorian Prefect and that this office was now subordinated to the Exarch – a process that must have taken place between May 6, 585 and July 591.
Gennadius was able to achieve victories against the Berbers during his tenure as the first exarch (591-598), in 591 and in Tripolitania in 595. [72] This, coupled with his earlier victory over Altava, brought decades of peace and prosperity to the province of Africa. [73] This is at least obvious because of the lack of contrary records or corresponding archaeological finds from the period. In addition, today's Maghreb was already a region in classical Roman times whose long border had to be secured with just one legion and has always been considered unproblematic. Only a new plague epidemic in 599/600 is mentioned in the written sources, which was probably less serious than the first wave of the "Justinianic Plague". [74] It is also known that at the end of the sixth century the region of Tripolitania was detached from the Exarchate of Carthage and annexed to Byzantine Egypt. [75] Due to the overall situation in Africa, Emperor Maurice had his back free to negotiate an advantageous peace with Persia (see Roman-Persian War of 572-591) and then to oppose the Avars and Slavs (see Maurice's Balkan campaigns).
Even when the most devastating of all Roman-Persian wars broke out and the situation in large parts of the empire deteriorated massively under Emperor Phocas, conditions in Africa were much more stable. Heraclius the Elder, presumably the successor of Gennadios and probably appointed exarch by Maurice at the age of over 60, [76] could mint coins and hire mercenaries. [77]
During this period only remote Septem could have been (temporarily) conquered by the Visigoths (616). Heraclius the Elder was initially involved – possibly in association with the Sanhāja and Zanata – in battles against other Berber tribes – especially near the Aurès and possibly also near the former kingdom of Altava.
When Heraclius the Elder and his namesake son Heraclius revolted against the emperor in 608, they first fanned dissatisfaction with Phocas in Constantinople by imposing an embargo on grain and (olive) oil and significantly reducing the capital's supply of these staple foods. Then, in the fall of 609, they sent their nephew/cousin Niketas to Egypt with an army, which he brought under his control in the spring of 610. In the spring/summer of 610, Heraclius (the younger) sailed to Constantinople with a fleet mostly manned by Berbers, where he overthrew Phocas from October 2 to 5, 610 and had him publicly executed.
What is remarkable about this usurpation is that Africa could be stripped of its troops without immediately coming into military danger – a situation that would have been unthinkable in the Moorish wars of 533-548. A few years later, during the last and greatest Persian war (603 to 628) [78] Heraclius – facing Persian troops on the Asian side of the Bosphorus – considered to move the capital of the empire from Constantinople to Carthage. This impressively demonstrates the stability and power of the Exarchate of Africa at this time. However, the emperor was dissuaded from these plans by Sergios I, the Patriarch of Constantinople. [79] As the war progressed, the Persian Sassanid Empire occupied Egypt, including Cyrenaica, for a good decade, but the Persians did not advance to Tripolitania, probably due to a lack of the necessary logistical capacities [80] and the ability to operate in desert terrain. Constantinople, on the other hand, defied its first siege in 626 and Heraclius finally defeated the Sassanids in 627/628, which also removed the temporary threat to the Exarchate of Carthage.
Otherwise little is known about the conditions in Byzantine Africa until 633, [73] except that trade with the eastern Mediterranean as a whole declined again after a steady increase until the late 6th century, [81] which was certainly due to the temporary conquests of the Persians and the more final ones of the Arabs in the eastern Mediterranean [82] and the associated effects on the corresponding sales markets have been accelerated.
As a part of the Islamic expansion, Byzantine rule in the Maghreb came to an end after tough fighting. Unlike in Asia Minor, where the Arab attacks ultimately repelled, the southern half of the Mediterranean was conquered by the Arabs within a good half a century. Responsible for this were insufficient precautions, an essentially defective coordination with Berbers and the Byzantine heartland – which against the background of the Monothelite disputes – which included the African resistance to imperially decreed forced conversions of Jews [83] – culminating in a failed secession – and, to a lesser extent, geography. The process was also spurred by the struggles of the empire in the other provinces, in particular a strong Arab pressure on Asia Minor, [84] but also the invasion of the Proto-Bulgarians in the Lower Danubian provinces are significant. [85] It is also believed that the Byzantine fortresses, smaller than predecessors in pre-Vandal Roman times, were only effective against tribal uprisings and Berber attacks, but not against larger armies, [46] which, however, can be contradicted by the considerable difficulties the Arabs had in their advance, especially in Numidia.
Above all, after several decades of war against the Sasanian Empire, Eastern Rome/Byzantium was completely exhausted in all the aspects, especially since most battles had taken place on Eastern Roman territory. The East Roman army was also demobilized for financial reasons after the long wars against the Persians and required considerable time to be reactivated. [86] This point contributed to the rapid Arab successes quite significantly.
Africa was first confronted with Islamic expansion in 633, when Peter, the Exarch of Carthage, is said to have defied an order from Heraclius, on the advice of the Greek monk Maximus Confessor, to send troops to support the defensive battle in Egypt. [87] Even after the conquest of Egypt by the Arabs, the exarchate probably still did not take the threat seriously enough. [88] It is highly probable that being spared Persian invasion and the overestimation of the inhospitable terrains between Egypt and the Exarchate (especially the Surt) were the cause. Refugees from Egypt were also known from the time of the occupation by Persian troops. [83] In addition, there is no record of a retreat by Byzantine troops along the Libyan coast in the 640s. [89] The Exarchate was unprepared for defense against a land attack from the east. No forts were built on the border of Tripolitania, part of Byzantine Egypt, comparable to the Mareth Line used in the African campaign of World War II. [90] An operative concept for a successful fight against the Arabs was still being sought throughout the empire. [91]
The first Arab expeditions were led by the Emir Amr ibn al-As and his nephew ʿUqba ibn Nafiʿ in 642/43 from the newly conquered Egypt to the west. Advances into Cyrenaica and Tripolitania met little resistance, [92] anyway, the Byzantine control was limited to a few coastal bases, from which Oea (today Tripoli) and Sabratha were plundered, the siege of Oea seems to have taken a long time. [93] After the Arabs conquered Alexandria again and forever in 646, the Byzantine Empire's weakness in the southern Mediterranean became apparent. The resulting domino effect seems to have been misunderstood in Carthage as an exclusive problem for Egypt and the old empire in general, despite a significant number of refugees from Egypt, which had also included Tripolitania for around 50 years. This was probably still favored by the greater attention paid to previous enemies, here the Lombards and their conquest of Liguria from 643, [94] and by the need for the Arab troops to reorganize themselves after the storming of Tripolitania, especially from a logistical point of view.
In 646 the Exarch Gregory the Patrician, son of aforementioned Nicetas, thus also a member of Heraclian Dynasty, rebelled against the emperor, also against the background of the monothelite disputes in Byzantium [95] and in the alleged misconception that fighting between Arabs and Byzantines in Egypt would deter either side from attacking Africa. [96] He decided to secede from Constantinople and moved the capital of exarchate to Sufetula/Sbeitla. According to Arabic sources, his power was so great that he was able to gather around 100,000 Berber soldiers, which was hardly realistic.
The Arabs, meanwhile, had probably learned of Heraclius' failed plan in 633 to detach troops from Africa to defend Egypt, and probably wanted to avoid such a plan being carried out in the future. They bypassed Oea, which had once again braced itself against an Arab siege, and invaded the exarchate from Tripolitania, which had been spared major fighting for almost 100 years. The rebellious exarch Gregory rallied his own troops and allies to the new capital of Sufetula, but without support from the central government in Constantinople. According to Arabic sources, when he faced the Arabs led by Abd Allah ibn Sa'd for battle, he was able to mobilize 120,000 to 200,000 men (which, like many such high figures, is probably clearly exaggerated for logistical reasons alone), [97] but lost the battle and possibly his life. [98] The Arabs then ravaged Byzacena within the next 12 to 15 months. [99]
The Arabs retreated to Tripolitania in 648 after receiving a large ransom, which increased their desires for this rich province and thus, in the long run, served the opposite purpose. [100] Under the new exarch Gennadios II, Byzantine supremacy was restored and the capital of the exarchate was moved back to Carthage, especially since Gregory had only moved the administrative seat inland to Sufetula out of fear of a punitive Byzantine expedition by sea. Nevertheless, due to the temporary secession, there remained a longer-term loss of confidence in Africa that went beyond the general distrust of the emperor. [101] Byzantine rule was restored in the areas of the Exarchate overrun by the Arabs, but the extent of this repossession is debatable. [102] Meanwhile, the Byzantine fleet was attacking Muslim areas on the Eastern Mediterranean coast and even recapturing the Barka region in Cyrenaica, those naval activities coming to an end at the latest after the Battle of the Masts in 655 respectively. [103]
The new exarch attempted to pacify the Arabs by paying tribute, presumably under the mistaken belief that the Arabs, like the Berbers, were not interested in permanent conquests. [104] However, the corresponding tax burden led to growing resentment among the population and also among Emperor Constantine II. [105] In addition, there may have been a wave of flight or emigration out of fear of another Arab attack. [106]
The real reason for the exarchate's 15-year respite was not due to the tribute payments, but to internal Islamic disputes over the office of caliph. With a failed invasion of Sicily and a minor raid on Byzacena in the 650s, it was clear that the Arabs had not forgotten the West. Under Caliph Mu'awiya I and his general ʿUqba ibn Nafiʿ, major attacks were resumed in 661, albeit initially only as raids. [107] [108] Around 668, Arabs attacked the island of Djerba and the city of Gigthi on the mainland, among other things. [109] These events revealed the Byzantine emperor's inability to organize an effective defense for Africa. The subsequent assassination of Constans II triggered 669 multi-year uprisings in Sicily, which not only prevented the intervention of further Byzantine troops in Africa, [110] but even bound troops from Africa, [111] which made it impossible to counter the new Arab invasion at an early stage. [112] ʿUqba ibn Nafiʿ took advantage of this situation and launched the actual attack in 669. In the meantime, he set up an advanced army camp, laying the foundation for later Kairouan, thus made it possible for the Arab armies to remain there all year round. [113] While Byzantine troops kept sight of fortresses north of Kairouan, they sat idle, [107] whereby the regions south of it were defenseless against the attacks of the Arabs, especially region of Byzacena, [114] except relatively well-defended coastal cities. [113]
While ʿUqba ibn Nafiʿ had successes and (temporary) mass conversions of the Berbers to Islam, he failed to conquer the Byzantine strongholds in the north. Meanwhile, the Caliph had to sign a truce with Emperor Constantine IV due to the failed siege of Constantinople, which enabled Byzantine reinforcements to be sent to Africa. [115] At the same time, due to the (same?) Armistice, it was determined that demarcation line was set along the Zeugitana-Byzacena line, thus Byzacena would be ceded to the Arabs, meanwhile, the Arabs would retreat from the region of Zeugitana (composed of Carthage and its surrounding areas, i.e. Roman/Byzantine Africa in the narrowest sense). [116] However, neither this nor Fitnas prevented the Arabs from invading Numidia from 679, the region that had given Africa strategic depth and recruitment potential, so must therefore have been a thorn in the side of the general ʿUqba in particular. [117] In the Lamasba area (today Mérouana), [118] Lambaesis and Thamugadi he won Pyrrhic victories in 682, which did not prevent him from his advance to the Atlantic. [119] The Exarch was able to achieve a considerable defensive success in 683 when ʿUqba ibn Nafiʿ lost the Battle of Vescera on the way back from the Atlantic against the Berber tribes under their king Kusaila, Byzantine troops and allied units and died in the process. The victors were even able to (re)take Kairouan. [120]
The defeated Arabs retreated to Egypt without their fallen general, giving the Exarchate and the Berbers some respite. But between 686 and 688 Arab armies defeated the Berber ruler Kusaila near Kairouan [121] and, after his tribal alliance broke up, resumed their attacks against the Exarchate. This had been weakened by previous conflicts and had made insufficient use of the recovery phase. [122] The military activities of the Arabs first required a renewed conquest of Barka, but before 688 it was again taken by sea-based Byzantine troops. [123]
In the first half of the 690s, the attacks on Carthage and its environs resumed, but were hampered by the Berber leader Kāhina, who only lost battle and life at Taharqa in the Aures range in 701. The assertion that the exarchate also received reinforcements from the Visigoths, whose king also feared an attack by the Arabs, is not proven. In 697/98 the Arab general Hassan ibn al-Nu'man conquered Carthage for the first time with 40,000 men and was defeated by Kāhina. [124]
On the news of the conquest of Carthage, Emperor Leontios dispatched the Byzantine fleet under the later Emperor Tiberius III The fleet recaptured Carthage in the same year and fought the Arab fleet with varying success, but then went to Crete to pick up reinforcements. As a result, the Arab besiegers – who had initially retreated to Cyrenaica after their double defeat – succeeded in taking and destroying the city in cooperation with their fleet. Individual Byzantine towns and fortresses on the coast further west were probably only gradually conquered after the victory over Kāhina, such as Vaga. [125] In addition, according to Arab sources, Clupea (today Kelibia) near Cape Bon was the last city in Byzantine hands. [126] The remote Septem withstood an Arab siege by Mūsā ibn Nusair in 706, but is said to have fallen to the Arabs at the latest when the Byzantine governor Julian defected, who is said to have supported their attack on the Visigothic kingdom in 711. [127] However, it is uncertain whether this was actually the case and whether Julian was a historical person at all.
In the older literature, the Byzantine rule in the Maghreb is often portrayed as a failed project which, despite the high economic power of the province of Africa, is said to have brought no real benefit to the Eastern Roman Empire, but only constant wars and thus a wear and tear of troops. [128] In fact, the epoch was at times marked by several uprisings against the imperial central authority, by alliances with and battles against Berbers, and later by a joint defensive struggle against the Arabs.
Overall, the region and its Latin-speaking and partly probably also Neo-Punic-speaking population [129] experienced at this time, however, a late antique aftergrowth, which also produced the last important Latin poet of antiquity, Corippus. [130] Under Byzantine rule, civil building projects were also carried out, for example at the port of Carthage, [81] and a number of older buildings restored or put into operation. [131] Overall, the dissolution of the Roman settlement and administrative structures in the region, which became apparent in the late phase of the Western Roman Empire and accelerated in the phase of the Kingdom of the Vandals, was halted by Eastern Roman/Byzantine rule [132] and sometimes even reversed. [133] In addition, East Roman Africa remained politically, economically and culturally closely linked to the Mediterranean world. [134] Overall, the Eastern Roman/Byzantine period was the last epoch of around 750 years of Roman rule in the Maghreb, the outstanding testimony of which is a large number of Byzantine fortresses or fortresses stylistically modeled on them from the earliest epoch of Arab rule (see List of Byzantine forts and other structures in the Maghreb).
The historical significance of the Eastern Roman/Byzantine rule, some of which has continued to the present day, was that it played a key role in stopping the orientalization of the Eastern Roman Empire (and thus the later orthodox faith of Christianity) until the time when in which the eastern provinces broke away from the empire in the Arab storm. [135] Equally significant was the fact that the assumption of the imperial throne from Carthage in 610 saved the empire from collapse [136] and thus set the course for the next 843 years. In addition, the reorganization of late antique administration into exarchates both in Italy and in Africa created the prototype for the theme administration, [137] with which the structure of the exarchate was broken down so far that secessions could be ruled out. Overall, according to Conant, the reconquest of Africa was a unique success. [138]
Another aspect is the extensive preservation and partial restoration of related Roman administrative structures and economic power, which the Arabs found in the course of Islamic expansion and which they may have served as the basis for establishing their own connected sphere of power from the 8th century onwards. [139] This circumstance continued to have an effect until the 13th century and decisively shaped the development of today's Maghreb as a region.
Africa was a Roman province on the northern coast of the continent of Africa. It was established in 146 BC, following the Roman Republic's conquest of Carthage in the Third Punic War. It roughly comprised the territory of present-day Tunisia, the northeast of Algeria, and the coast of western Libya along the Gulf of Sidra. The territory was originally and still is inhabited by Berbers, known in Latin as the Mauri, indigenous to all of North Africa west of Egypt. In the 9th century BC, Semitic-speaking Phoenicians from West Asia built settlements along the coast of the Mediterranean Sea to facilitate shipping. Carthage, rising to prominence in the 8th century BC, became the predominant of these.
The Exarchate of Africa was a division of the Byzantine Empire around Carthage that encompassed its possessions on the Western Mediterranean. Ruled by an exarch (viceroy), it was established by the Emperor Maurice in 591 and survived until the Muslim conquest of the Maghreb in the late 7th century. It was, along with the Exarchate of Ravenna, one of two exarchates established following the western reconquests under Emperor Justinian I to administer the territories more effectively.
The Muslim conquest of the Maghreb or Arab conquest of North Africa by the Rashidun and Umayyad Caliphates commenced in 647 and concluded in 709, when the Byzantine Empire lost its last remaining strongholds to Caliph Al-Walid I. The North African campaigns were part of the century of rapid early Muslim conquests.
Abyla was the pre-Roman name of Ad Septem Fratres. Ad Septem Fratres, usually shortened to Septem or Septa, was a Roman colony in the province of Mauretania Tingitana and a Byzantine outpost in the exarchate of Africa. Its ruins are located within present-day Ceuta, an autonomous Spanish city in northwest Africa.
The Praetorian Prefecture of Africa was an administrative division of the Byzantine Empire in the Maghreb. With its seat at Carthage, it was established after the reconquest of northwestern Africa from the Vandals in 533–534 by the Byzantine Emperor Justinian I. It continued to exist until 591, when it was replaced by the Exarchate of Africa.
Gregory the Patrician was a Byzantine Exarch of Africa. A relative of the ruling Heraclian dynasty, Gregory was fiercely pro-Chalcedonian and led a rebellion in 646 against Emperor Constans II over the latter's support for Monothelism. Soon after declaring himself emperor, he faced an Arab invasion in 647. He confronted the invaders but was decisively defeated and killed at Sufetula. Africa returned to imperial allegiance after his death and the Arabs' withdrawal, but the foundations of Byzantine rule there had been fatally undermined.
Gaiseric, also known as Geiseric or Genseric was king of the Vandals and Alans from 428 to 477. He ruled over a kingdom and played a key role in the decline of the Western Roman Empire during the 5th century.
Altava was an ancient Romano-Berber city in present-day Algeria. It served as the capital of the ancient Berber Kingdom of Altava. During the French presence, the town was called Lamoriciere. It was situated in the modern Ouled Mimoun near Tlemcen.
Gennadius, 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.
Solomon was an East Roman (Byzantine) general from northern Mesopotamia, who distinguished himself as a commander in the Vandalic War and the reconquest of North Africa in 533–534. He spent most of the next decade in Africa as its governor general, combining the military post of magister militum with the civil position of praetorian prefect. Solomon successfully confronted the large-scale rebellion of the native Berbers, but was forced to flee following an army mutiny in spring of 536. His second tenure in Africa began in 539 and it was marked by victories over the Berbers, which led to the consolidation of the Byzantine position. A few years of prosperity followed, but were cut short by the rekindled Berber revolt and Solomon's defeat and death at the Battle of Cillium in 544.
The Vandal Kingdom or Kingdom of the Vandals and Alans was a confederation of Vandals and Alans, which was a barbarian kingdom established under Gaiseric, a Vandalic warlord. It ruled parts of North Africa and the Mediterranean for 99 years from 435 to 534 AD.
Antalas was a Berber tribal leader who played a major role in the wars of the Byzantine Empire against the Berber tribes in Africa. Antalas and his tribe, the Frexes initially served the Byzantines as allies, but after 544 switched sides. With the final Byzantine victory in his and his tribe once again became Byzantine subjects. The main sources on his life are the epic poem Iohannis of Flavius Cresconius Corippus and the Histories of the Wars of Procopius of Caesarea.
The Kingdom of Altava was an independent Christian Berber kingdom centered on the city of Altava in present-day northern Algeria. The Kingdom of Altava was a successor state of the previous Mauro-Roman Kingdom which had controlled much of the ancient Roman province of Mauretania Caesariensis. During the reign of Kusaila, it extended from Volubilis in the west to the Aurès and later Kairaouan and the interior of Ifriqiya in the east. This Kingdom collapsed following Eastern Roman military campaigns to decrease its influence and power after Garmul invaded the Exarchate of Africa.
The Battle of Sufetula took place in 647 between the Arab Muslim forces of the Rashidun Caliphate and the Byzantine Exarchate of Africa.
The Mauro-Roman Kingdom, also described as the Kingdom of Masuna, was a Christian Berber kingdom which dominated much of the ancient Roman province of Mauretania Caesariensis from the capital city of Altava. Scholars are in disagreement about whether the polity aimed for independence as a kingdom or was part of a loose confederation, an alternative hypothesis drawn from contextual knowledge about Berber tribal alliances. In the fifth century, Roman control over the province weakened and Imperial resources had to be concentrated elsewhere, notably in defending the Roman Italy itself from invading Germanic tribes. Moors and Romans in Mauretania came to operate independently from the Empire. However, regional leaders may not have necessarily felt abandoned by the Romans.
The Kingdom of the Aurès was an independent Christian Berber kingdom primarily located in the Aurès Mountains of present-day north-eastern Algeria. Established in the 480s by King Masties following a series of Berber revolts against the Vandalic Kingdom, which had conquered the Roman province of Africa in 435 AD, Aurès would last as an independent realm until the Muslim conquest of the Maghreb in 703 AD when its last monarch, Queen Dihya, was slain in battle.
The Byzantine–Moorish wars were a series of wars fought between the Byzantine Empire and the various Berber kingdoms which formed after the collapse of Roman North Africa. The war also featured other rebels such as the renegades of Stotzas and the Vandalic rebels of Guntarith. The war ended with the Berbers attempting to push the Romans out of Africa being defeated at the battle of the Fields of Cato, and the Byzantines being too weakened to take over the various newly formed kingdoms such as Altava and the Kingdom of the Aurès.
The Vandal conquest of Roman Africa, also known as the Vandal conquest of North Africa, was the conquest of Mauretania Tingitana, Mauretania Caesariensis, and Africa Proconsolaris by the migrating Vandals and Alans. The conflict lasted 13 years with a period of four years of peace, and led to the establishment of the Vandal Kingdom in 435.
Iaudas or Iabdas was a Berber leader of the sixth century and king of the Kingdom of the Aurès who held the Byzantines in check for a long time in the Aurès, and played an important role in the Berber revolts following the Byzantine reconquest.