Arab–Byzantine wars

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Arab–Byzantine wars
Part of the Muslim conquests
Greekfire-madridskylitzes1.jpg

Greek fire, first used by the Byzantine Navy during the Byzantine–Arab Wars.
Date 629–1050s
Location Levant, Syria, Egypt, North Africa, Anatolia, Crete, Sicily, Southern Italy
Result Overall Muslim Arab gains
Territorial
changes
Levant, Mesopotamia and North Africa annexed by Arabs. northern Levant recaptured during the Byzantine reconquest.
Belligerents
Simple Labarum2.svg Eastern Roman Empire[1]
Ghassanids[2]
Mardaites
Armenian principalities
Bulgarian Empire
Kingdom of Italy
Italian city-states
Black flag.svg Rashidun Caliphate
Umayyad Flag.svg Umayyad Dynasty
Black flag.svg Abbasid Caliphate
Aghlabids
Emirate of Sicily
Emirate of Bari
Emirate of Crete
Hamdanids of Aleppo
Fatimid flag.svg Fatimid Caliphate
Mirdasids of Aleppo
Commanders and leaders
Heraclius
Theodore Trithyrius 
Gregory the Patrician 
Constans II
Constantine IV
Justinian II
Leontios
Heraclius
Constantine V
Leo V the Armenian
Michael Lachanodrakon
Tatzates
Nikephoros I
Theophilos
Manuel the Armenian
Niketas Ooryphas
Himerios
John Kourkouas
Bardas Phokas the Elder
Nikephoros II Phokas
Leo Phokas the Younger
John I Tzimiskes
Michael Bourtzes
Basil II
Nikephoros Ouranos
George Maniakes
Black flag.svg Ja'far ibn Abī Tālib 

Black flag.svg Khalid ibn al-Walid
Black flag.svgIkrimah ibn Abi-Jahl
Black flag.svg 'Abd Allah ibn Rawahah
Black flag.svg Caliph Abu Bakr
Black flag.svg Caliph Umar
Black flag.svg Abu Ubaidah ibn al-Jarrah
Black flag.svg Sharhabeel ibn Hasana
Black flag.svg 'Amr ibn al-'As
Black flag.svg Yazid ibn Abu Sufyan
Black flag.svg Abdullah ibn Saad
Umayyad Flag.svg Muawiyah I
Umayyad Flag.svg Yazid I
Umayyad Flag.svg Muhammad ibn Marwan
Umayyad Flag.svg Maslama ibn Abd al-Malik
Umayyad Flag.svg Abdallah al-Battal
Umayyad Flag.svg Mu'awiyah ibn Hisham
Black flag.svg Harun al-Rashid
Black flag.svg Abd al-Malik ibn Salih
Black flag.svg Al-Ma'mun
Black flag.svg Al-Mu'tasim
Asad ibn al-Furat (DOW)
Abbas ibn al-Fadl
Khafaga ibn Sufyan
Ibrahim II of Ifriqiya
Leo of Tripoli 
Umar al-Aqta 
Sayf al-Dawla
Fatimid flag.svg al-Aziz Billah

Fatimid flag.svg Manjutakin

The Arab–Byzantine wars were a series of wars between the mostly Arab Muslims and the East Roman or Byzantine Empire between the 7th and 11th centuries AD. Started during the initial Muslim conquests under the expansionist Rashidun and Umayyad caliphs in the 7th century and continued by their successors until the mid-11th century.

The eruption of the Arabs from the Arab Peninsula in the 630s resulted in the rapid loss of Byzantium's southern provinces (Syria and Egypt) to the Muslims. Over the next fifty years, under the aggressive Umayyad caliphs, the Muslims would launch repeated raids into still-Byzantine Asia Minor, twice threaten the Byzantine capital, Constantinople, with conquest, and outright conquer the Byzantine Exarchate of Africa. The situation did not stabilize until after the failure of the Second Arab Siege of Constantinople in 718, when the Taurus Mountains on the eastern rim of Asia Minor became established as the mutual, heavily fortified and largely depopulated frontier. Under the Abbasid Empire, relations became more normal, with embassies exchanged and even periods of truce, but conflict remained the norm, with almost annual raids and counter-raids, sponsored either by the Abbasid government or by local rulers, well into the 10th century.

During the first centuries, the Byzantines were usually in the defensive, and avoided open field battles, preferring to retreat to their fortified strongholds. Only after 740 did they begin to launch counterstrikes of their own, but still the Abbasid Empire was able to retaliate with often massive and destructive invasions of Asia Minor. With the decline and fragmentation of the Abbasid state after 861 and the concurrent strengthening of the Byzantine Empire under the Macedonian dynasty, the tide gradually turned. Over a period of fifty years from ca. 920 to 976, the Byzantines finally broke through the Muslim defences and restored their control over northern Syria and Greater Armenia. The last century of the Arab–Byzantine wars was dominated by frontier conflicts with the Fatimids in Syria, but the border remained stable until the appearance of a new people, the Seljuk Turks, after 1060.

The Muslims also took to the sea, and from the 650s on, the entire Mediterranean Sea became a battleground, with raids and counter-raids being launched against islands and the coastal settlements. Muslim raids reached a peak in the 9th and early 10th centuries, after their conquest of Crete, Malta and Sicily, with their fleets reaching the coasts of France and Dalmatia and even the suburbs of Constantinople.

Background[edit]

The prolonged and escalating Byzantine–Sassanid wars of the 6th and 7th centuries and the recurring outbreaks of bubonic plague (Plague of Justinian) left both empires exhausted and vulnerable in the face of the sudden emergence and expansion of the Arabs. The last of these wars ended with victory for the Byzantines: Emperor Heraclius regained all lost territories, and restored the True Cross to Jerusalem in 629.[3]

Nevertheless, neither empire was given any chance to recover, as within a few years they were struck by the onslaught of the Arabs (newly united by Islam), which, according to Howard-Johnston, "can only be likened to a human tsunami".[4] According to George Liska, the "unnecessarily prolonged Byzantine–Persian conflict opened the way for Islam".[5]

In late 620s Muhammad had already managed to conquer and unify much of Arabia under Muslim rule, and it was under his leadership that the first Muslim-Byzantine skirmishes took place. Just a few months after Heraclius and the Persian general Shahrbaraz agreed on terms for the withdrawal of Persian troops from occupied Byzantine eastern provinces in 629, Arab and Byzantine troops confronted each other at the Mu'tah.[6] Muhammad died in 632 and was succeeded by Abu Bakr, the first Caliph with undisputed control of the entire Arab peninsula after the successful Ridda Wars, which resulted in the consolidation of a powerful Muslim state throughout the peninsula.[7]

The Muslim conquests, 634–718[edit]

Sham region was just the start of Arab expansion.
  Expansion under Muhammad, 622–632
  Expansion during the Rashidun Caliphate, 632–661
  Expansion during the Umayyad Caliphate, 661–750

According to Muslim biographies, Muhammed, having received intelligence that Byzantine forces were concentrating in northern Arabia with alleged intentions of invading Arabia, led a Muslim army north to Tabouk in present-day northwestern Saudi Arabia, with the intention of pre-emptively engaging the Byzantine army; the news, however, proved to be false. Though it was not a battle in the typical sense, nevertheless the event represented the first Arab attack on the Byzantines. It did not, however, lead immediately to a military confrontation.[8]

However, there is no contemporary Byzantine account of the Tabuk expedition, and many of the details come from much later Muslim sources. It has been argued that there is in one Byzantine source possibly referencing the Battle of Mu´tah traditionally dated 629, but this is not certain.[9] The first engagements may have started as conflicts with the Arab client states of the Byzantine and Sassanid empires: the Ghassanids and the Lakhmids of Al-Hirah. In any case, Muslim Arabs after 634 certainly pursued a full-blown invasion of both empires, resulting in the conquest of the Levant, Egypt and Persia for Islam. The most successful generals were Khalid ibn al-Walid and 'Amr ibn al-'As.

Arab conquest of Roman Syria: 634–638[edit]

For more details on this topic, see Muslim conquest of Syria.

In the Levant, the invading Rashidun army were engaged by a Byzantine army composed of imperial troops as well as local levies.[1] According to Islamic historians Monophysites and Jews throughout Syria welcomed the Arab invaders, as they were discontented with Byzantine rule.a[›] The Arabian tribes also had significant economic, cultural and familial ties with predominantly Arab citizens of the Fertile Crescent.

The Roman Emperor Heraclius had fallen ill and was unable to personally lead his armies to resist the Arab conquests of Syria and Roman Paelestina in 634. In a battle fought near Ajnadayn in the summer of 634, the Rashidun Caliphate army achieved a decisive victory.[10] After their victory at the Fahl, Muslim forces conquered Damascus in 634 under the command of Khalid ibn al-Walid.[11] The Byzantine response involved the collection and dispatch of the maximum number of available troops under major commanders, including Theodore Trithyrius and the Armenian general Vahan, to eject the Muslims from their newly won territories.[11]

At the Battle of Yarmouk in 636, however, the Muslims, having studied the ground in detail, lured the Byzantines into pitched battle, which the Byzantines usually avoided, and into a series of costly assaults, before turning the deep valleys and cliffs into a catastrophic death-trap.[12] Heraclius' farewell exclamation (according to the 9th-century historian Al-Baladhuri)[13] while departing Antioch for Constantinople, is expressive of his disappointment: "Peace unto thee, O Syria, and what an excellent country this is for the enemy!"b[›] The impact of Syria's loss on the Byzantines is illustrated by Joannes Zonaras' words: "[...] since then [after the fall of Syria] the race of the Ishmaelites did not cease from invading and plundering the entire territory of the Romans".[14]

In April 637, the Arabs, after a long siege captured Jerusalem, which was surrendered by Patriarch Sophronius.c[›] In the summer of 637, the Muslims conquered Gaza, and, during the same period, the Byzantine authorities in Egypt and Mesopotamia purchased an expensive truce, which lasted three years for Egypt and one year for Mesopotamia. Antioch fell to the Muslim armies in late 637, and by then the Muslims occupied the whole of northern Syria, except for upper Mesopotamia, which they granted a one-year truce.[9]

At the expiration of this truce in 638–639, the Arabs overran Byzantine Mesopotamia and Byzantine Armenia, and terminated the conquest of Palestine by storming Caesarea Maritima and effecting their final capture of Ascalon. In December 639, the Muslims departed from Palestine to invade Egypt in early 640.[9]

Arab conquests of North Africa: 639–698[edit]

For more details on this topic, see Umayyad conquest of North Africa.

Conquest of Egypt and Cyrenaica[edit]

For more details on this topic, see Muslim conquest of Egypt.

By the time Heraclius died, much of Egypt had been lost, and by 637–638 the whole of Syria was in the hands of the armies of Islam.d[›] With 3,500–4,000 troops under his command, 'Amr ibn al-A'as first crossed into Egypt from Palestine at the end of 639 or the beginning of 640. He was progressively joined by further reinforcements, notably 12,000 soldiers by Al-Zubayr. 'Amr first besieged and conquered Babylon, and then attacked Alexandria. The Byzantines, divided and shocked by the sudden loss of so much territory, agreed to give up the city by September 642.[15] The fall of Alexandria extinguished Byzantine rule in Egypt, and allowed the Muslims to continue their military expansion into North Africa; between 643–644 'Amr completed the conquest of Cyrenaica.[16] Uthman succeeded Caliph Umar after his death.[17]

During his reign the Byzantine navy briefly won back Alexandria in 645, but lost it again in 646 shortly after the Battle of Nikiou.[18] The Islamic forces raided Sicily in 652, while Cyprus and Crete were captured in 653. According to Arab historians, the local Christian Copts welcomed the Arabs just as the Monophysites did in Jerusalem.[19] The loss of this lucrative province deprived the Byzantines of their valuable wheat supply, thereby causing food shortages throughout the Byzantine Empire and weakening its armies in the following decades.[20]

Conquest of the Exarchate of Africa[edit]

"The people of Homs replied [to the Muslims], "We like your rule and justice far better than the state of oppression and tyranny in which we were. The army of Heraclius we shall indeed, with your 'amil's' help, repulse from the city." The Jews rose and said, "We swear by the Torah, no governor of Heraclius shall enter the city of Homs unless we are first vanquished and exhausted!" [...] The inhabitants of the other cities—Christian and Jews—that had capitulated to the Muslims, did the same [...] When by Allah's help the "unbelievers" were defeated and the Muslims won, they opened the gates of their cities, went out with the singers and music players who began to play, and paid the kharaj."
Al-Baladhuri[21] – According to the Muslim historians of the 9th century, local populations regarded Byzantine rule as oppressive, and preferred Muslim conquest instead.a[›]

In 647, an Arab army led by Abdallah ibn al-Sa’ad invaded the Byzantine Exarchate of Africa. Tripolitania was conquered, followed by Sufetula, 150 miles (240 km) south of Carthage, and the governor and self-proclaimed Emperor of Africa Gregory was killed. Abdallah's booty-laden force returned to Egypt in 648 after Gregory's successor, Gennadius, promised them an annual tribute of some 300,000 nomismata.[22]

Following a civil war in the Arab Empire the Umayyads came to power under Muawiyah I. Under the Umayyads the conquest of the remaining Byzantine territories in North Africa was completed and the Arabs were able to move across large parts of Maghreb, invading Visigothic Spain through the Strait of Gibraltar,[19] under the command of the Berber general Tariq ibn-Ziyad. But this happened only after they developed a naval power of their own,e[›] and they conquered and destroyed the Byzantine stronghold of Carthage between 695–698.[23] The loss of Africa meant that soon, Byzantine control of the Western Mediterranean was challenged by a new and expanding Arab fleet, operating from Tunisia.[24]

Muawiyah began consolidating the Arab territory from the Aral Sea to the western border of Egypt. He put a governor in place in Egypt at al-Fustat, and launched raids into Anatolia in 663. Then from 665 to 689 a new North African campaign was launched to protect Egypt "from flank attack by Byzantine Cyrene". An Arab army of 40,000 took Barca, defeating 30,000 Byzantines.[25]

A vanguard of 10,000 Arabs under Uqba ibn Nafi followed from Damascus. In 670, Kairouan in modern Tunisia was established as a base for further invasions; Kairouan would become the capital of the Islamic province of Ifriqiya, and one of the main Arabo-Islamic cultural centers in the Middle Ages.[26] Then ibn Nafi "plunged into the heart of the country, traversed the wilderness in which his successors erected the splendid capitals of Fes and Morocco, and at length penetrated to the verge of the Atlantic and the great desert.[27] In his conquest of the Maghreb, he took the coastal cities of Bugia and Tingi, overwhelming what had once been the Roman province of Mauretania Tingitana where he was finally halted.[28] As the historian Luis Garcia de Valdeavellano explains:[29]

In their struggle against the Byzantines and the Berbers, the Arab chieftains had greatly extended their African dominions, and as early as the year 682 Uqba had reached the shores of the Atlantic, but he was unable to occupy Tangier, for he was forced to turn back toward the Atlas Mountains by a man who became known to history and legend as Count Julian.

— Luis Garcia de Valdeavellano

Arab attacks on Anatolia and sieges of Constantinople[edit]

As the first tide of the Muslim conquests in the Near East ebbed off, and a semi-permanent border between the two powers was established, a wide zone, unclaimed by either Byzantines or Arabs and virtually deserted (known in Arabic as al-Ḍawāḥī, "the outer lands" and in Greek as τὰ ἄκρα, ta akra, "the extremities") emerged in Cilicia, along the southern approaches of the Taurus and Anti-Taurus mountain ranges, leaving Syria in Muslim and the Anatolian plateau in Byzantine hands. Both Emperor Heraclius and the Caliph 'Umar (r. 634–644) pursued a strategy of destruction within this zone, trying to transform it into an effective barrier between the two realms.[30]

Nevertheless, the Umayyads still considered the complete subjugation of Byzantium as its ultimate objective. Their thinking was dominated by Islamic teaching, which placed the infidel Byzantines firmly in the Dār al-Ḥarb, the "House of War", which, in the words of Islamic scholar Hugh N. Kennedy, "the Muslims should attack whenever possible; rather than peace interrupted by occasional conflict, the normal pattern was seen to be conflict interrupted by occasional, temporary truce (hudna). True peace (ṣulḥ) could only come when the enemy accepted Islam or tributary status."[31]

Both as governor of Syria and later as caliph, Muawiyah I (r. 661–680) was the driving force of the Muslim effort against Byzantium, especially by his creation of a fleet, which challenged the Byzantine navy and raided the Byzantine islands and coasts. The shocking defeat of the imperial fleet by the young Muslim navy at the Battle of the Masts in 655 was of critical importance: it opened up the Mediterranean, hitherto a "Roman lake", to Arab expansion, and began a centuries-long series of naval conflicts over the control of the Mediterranean waterways.[32][33]

Trade between the Muslim eastern and southern shores and the Christian northern shores almost ceased during this period, isolating Western Europe from developments in the Muslim world: "In antiquity, and again in the high Middle Ages, the voyage from Italy to Alexandria was a commonplace; in early Islamic times the two countries were so remote that even the most basic information was unknown" (Kennedy).[34] Muawiyah also initiated the first large-scale raids into Anatolia from 641 on. These expeditions, aiming both at plunder and at weakening and keeping the Byzantines at bay, as well as the corresponding retaliatory Byzantine raids, eventually became established as a fixture of Byzantine–Arab warfare for the next three centuries.[35][36]

The outbreak of the Muslim Civil War in 656 bought a precious breathing pause for Byzantium, which Emperor Constans II (r. 641–668) used to shore up his defences, extend and consolidate his control over Armenia and most importantly, initiate a major army reform with lasting effect: the establishment of the themata, the large territorial commands into which Anatolia, the major contiguous territory remaining to the Empire, was divided. The remains of the old field armies were settled in each of them, and soldiers were allocated land there in payment of their service. The themata would form the backbone of the Byzantine defensive system for centuries to come.[37]

Attacks against Byzantine holdings in Africa, Sicily and the East[edit]

After his victory in the civil war, Muawiyah launched a series of attacks against Byzantine holdings in Africa, Sicily and the East.[38] By 670, the Muslim fleet had penetrated into the Sea of Marmara and stayed at Cyzicus during the winter. Four years later, a massive Muslim fleet reappeared in the Marmara and re-established a base at Cyzicus, from there they raided the Byzantine coasts almost at will. Finally in 676, Muawiyah sent an army to invest Constantinople from land as well, beginning the First Arab Siege of the city. Constantine IV (r. 661–685) however used a devastating new weapon that came to be known as "Greek fire", invented by a Christian refugee from Syria named Kallinikos of Heliopolis, to decisively defeat the attacking Umayyad navy in the Sea of Marmara, resulting in the lifting of the siege in 678. The returning Muslim fleet suffered further losses due to storms, while the army lost many men to the thematic armies who attacked them on their route back.[39]

Among those killed in the siege was Eyup, the standard bearer of Muhammed and the last of his companions; to Muslims today, his tomb is considered one of the holiest sites in Istanbul.[40] The Byzantine victory over the invading Umayyads halted the Islamic expansion into Europe for almost thirty years.[citation needed]

In spite of the turbulent reign of Justinian II, last emperor of the Heraclian dynasty, his coinage still bore the traditional "PAX", peace.

The setback at Constantinople was followed by further reverses across the huge Muslim empire. As Gibbon writes, "this Mahometan Alexander, who sighed for new worlds, was unable to preserve his recent conquests. By the universal defection of the Greeks and Africans he was recalled from the shores of the Atlantic." His forces were directed at putting down rebellions, and in one such battle he was surrounded by insurgents and killed. Then, the third governor of Africa, Zuheir, was overthrown by a powerful army, sent from Constantinople by Constantine IV for the relief of Carthage.[28] Meanwhile, a second Arab civil war was raging in Arabia and Syria resulting in a series of four caliphs between the death of Muawiyah in 680 and the ascension of Abd al-Malik in 685, and was ongoing until 692 with the death of the rebel leader.[41]

The Saracen Wars of Justinian II (r. 685–695 and 705–711), last emperor of the Heraclian Dynasty, "reflected the general chaos of the age".[42] After a successful campaign he made a truce with the Arabs, agreeing on joint possession of Armenia, Iberia and Cyprus; however, by removing 12,000 Christian Mardaites from their native Lebanon, he removed a major obstacle for the Arabs in Syria, and in 692, after the disastrous Battle of Sebastopolis, the Muslims invaded and conquered all of Armenia.[43] Deposed in 695, with Carthage lost in 698, Justinian returned to power from 705-711.[42] His second reign was marked by Arab victories in Asia Minor and civil unrest.[43] Reportedly, he ordered his guards to execute the only unit that had not deserted him after one battle, to prevent their desertion in the next.[42]

Justinian's first and second depositions were followed by internal disorder, with successive revolts and emperors lacking legitimacy or support. In this climate, the Umayyads consolidated their control of Armenia and Cilicia, and began preparing a renewed offensive against Constantinople. In Byzantium, the general Leo the Isaurian (r. 717–741) had just seized the throne in March 717, when the massive Muslim army under the famed Umayyad prince and general Maslama ibn Abd al-Malik began moving towards the imperial capital.[44] The Caliphate's army and navy, led by Maslama, numbered some 120,000 men and 1,800 ships according to the sources. Whatever the real number, it was a huge force, far larger than the imperial army. Thankfully for Leo and the Empire, the capital's sea walls had recently been repaired and strengthened. In addition, the emperor concluded an alliance with the Bulgar khan Tervel, who agreed to harass the invaders' rear.[45]

From July 717 to August 718, the city was besieged by land and sea by the Muslims, who built an extensive double line of circumvallation and contravallation on the landward side, isolating the capital. Their attempt to complete the blockade by sea however failed when the Byzantine navy employed Greek fire against them; the Arab fleet kept well off the city walls, leaving Constantinople's supply routes open. Forced to extend the siege into winter, the besieging army suffered horrendous casualties from the cold and the lack of provisions.[46]

In spring, new reinforcements were sent by the new caliph, Umar ibn Abd al-Aziz (r. 717–720), by sea from Africa and Egypt and over land through Asia Minor. The crews of the new fleets were composed mostly of Christians, who began defecting in large numbers, while the land forces were ambushed and defeated in Bithynia. As famine and an epidemic continued to plague the Arab camp, the siege was abandoned on 15 August 718. On its return, the Arab fleet suffered further casualties to storms and an eruption of the volcano of Thera.[47]

Stabilization of the frontier, 718–863[edit]

For more details on this topic, see Byzantine–Arab wars (780–1180).

The first wave of the Muslim conquests ended with the siege of Constantinople in 718, and the border between the two empires became stabilized along the mountains of eastern Anatolia. Raids and counter-raids continued on both sides and became almost ritualized, but the prospect of outright conquest of Byzantium by the Caliphate receded. This led to far more regular, and often friendly, diplomatic contacts, as well as a reciprocal recognition of the two empires.

In response to the Muslim threat, which reached its peak in the first half of the 8th century, the Isaurian emperors adopted the policy of Iconoclasm, which was abandoned in 786 only to be readopted in the 820s and finally abandoned in 843. Under the Macedonian dynasty, exploiting the decline and fragmentation of the Abbasid Caliphate, the Byzantines gradually went into the offensive, and recovered much territory in the 10th century, which was lost however after 1071 to the Seljuk Turks.

Raids under the last Umayyads and the rise of Iconoclasm[edit]

Map of the Byzantine-Arab frontier zone in southeastern Asia Minor, along the Taurus-Antitaurus range

Following the failure to capture Constantinople in 717–718, the Umayyads for a time diverted their attention elsewhere, allowing the Byzantines to take to the offensive, making some gains in Armenia. From 720/721 however the Arab armies resumed their expeditions against Byzantine Anatolia, although now they were no longer aimed at conquest, but rather large-scale raids, plundering and devastating the countryside and only occasionally attacking forts or major settlements.[48][49]

Under the late Umayyad and early Abbasid caliphs, the frontier between Byzantium and the Caliphate became stabilized along the line of the Taurus-Antitaurus mountain ranges. On the Arab side, Cilicia was permanently occupied and its deserted cities, such as Adana, Mopsuestia (al-Massisa) and, most importantly, Tarsus, were refortified and resettled under the early Abbasids. Likewise, in Upper Mesopotamia, places like Germanikeia (Mar'ash), Hadath and Melitene (Malatya) became major military centers. These two regions came to form the two halves of a new fortified frontier zone, the thughur.[36][50]

Both the Umayyads and later the Abbasids continued to regard the annual expeditions against the Caliphate's "traditional enemy" as an integral part of the continuing jihad, and they quickly became organized in a regular fashion: one to two summer expeditions (pl. ṣawā'if, sing. ṣā'ifa) sometimes accompanied by a naval attack and/or followed by winter expeditions (shawātī). The summer expeditions were usually two separate attacks, the "expedition of the left" (al-ṣā'ifa al-yusrā/al-ṣughrā) launched from the Cilician thughur and consisting mostly of Syrian troops, and the usually larger "expedition of the right" (al-ṣā'ifa al-yumnā/al-kubrā) launched from Malatya and composed of Mesopotamian troops. The raids were also largely confined to the borderlands and the central Anatolian plateau, and only rarely reached the peripheral coastlands, which the Byzantines fortified heavily.[48][51]

Under the more aggressive Caliph Hisham ibn Abd al-Malik (r. 723–743), the Arab expeditions intensified for a time, and were led by some of the Caliphate's most capable generals, including princes of the Umayyad dynasty like Maslama ibn Abd al-Malik and al-Abbas ibn al-Walid or Hisham's own sons Mu'awiyah, Maslama and Sulayman.[52] This was still a time when Byzantium was fighting for survival, and "the frontier provinces, devastated by war, were a land of ruined cities and deserted villages where a scattered population looked to rocky castles or impenetrable mountains rather than the armies of the empire to provide a minimum of security" (Kennedy).[31]

In response to the renewal of Arab invasions, and to a sequence of natural disasters such as the eruptions of the volcanic island of Thera,[53] the Emperor Leo III the Isaurian concluded that the Empire had lost divine favour. Already in 722 he had tried to force the conversion of the Empire's Jews, but soon he began to turn his attention to the veneration of icons, which some bishops had come to regard as idolatrous. In 726, Leo published an edict condemning their use and showed himself increasingly critical of the iconophiles. He formally banned depictions of religious figures in a court council in 730.[54][55]

This decision provoked major opposition both from the people and the church, especially the Bishop of Rome, which Leo did not take into account. In the words of Warren Treadgold: "He saw no need to consult the church, and he appears to have been surprised by the depth of the popular opposition he encountered".[54][55] The controversy weakened the Byzantine Empire, and was a key factor in the schism between the Patriarch of Constantinople and the Bishop of Rome.[56][57]

The Umayyad Caliphate however was increasingly distracted by conflicts elsewhere, especially its confrontation with the Khazars, with whom Leo III had concluded an alliance, marrying his son and heir, Constantine V (r. 741–775) to the Khazar princess Tzitzak. Only in the late 730s did the Muslim raids again become a threat, but the great Byzantine victory at Akroinon and the turmoil of the Abbasid Revolution led to a pause in Arab attacks against the Empire. It also opened up the way for a more aggressive stance by Constantine V (r. 741–775), who in 741 attacked the major Arab base of Melitene, and continued scoring further victories. These successes were also interpreted by Leo III and his son Constantine as evidence of God's renewed favour, and strengthened the position of Iconoclasm within the Empire.[58][59]

The early Abbasids[edit]

Unlike their Umayyad predecessors, the Abbasid caliphs did not pursue active expansion: in general terms, they were content with the territorial limits achieved, and whatever external campaigns they waged were retaliatory or preemptive, meant to preserve their frontier and impress Abbasid might upon their neighbours.[60] At the same time, the campaigns against Byzantium in particular remained important for domestic consumption. The annual raids, which had almost lapsed in the turmoil following the Abbasid Revolution, were undertaken with renewed vigour from ca. 780 on, and were the only expeditions where the Caliph or his sons participated in person.[61][62]

As a symbol of the Caliph's ritual role as the leader of the Muslim community, they were closely paralleled in official propaganda by the leadership by Abbasid family members of the annual pilgrimage (hajj) to Mecca.[61][62] In addition, the constant warfare on the Syrian marches was useful to the Abbasids as it provided employment for the Syrian and Iraqi military elites and the various volunteers (muṭṭawi‘a) who flocked to participate in the jihad.[63][64]

"The thughūr are blocked by Hārūn, and through him
the ropes of the Muslim state are firmly plaited
His banner is forever tied with victory;
he has an army before which armies scatter.
All the kings of the Rūm give him jizya
unwillingly, perforce, out of hand in humiliation."

Poem in praise of Harun al-Rashid's 806 campaign against Byzantium[65]

Wishing to emphasize his piety and role as the leader of the Muslim community, Caliph Harun al-Rashid (r. 786–809) in particular was the most energetic of the early Abbasid rulers in his pursuit of warfare against Byzantium: he established his seat at Raqqa close to the frontier, he complemented the thughur in 786 by forming a second defensive line along northern Syria, the al-'Awasim, and was reputed to be spending alternating years leading the Hajj and leading a campaign into Anatolia, including the largest expedition assembled under the Abbasids, in 806.[66][67]

Continuing a trend started by his immediate predecessors, his reign also saw the development of far more regular contacts between the Abbasid court and Byzantium, with the exchange of embassies and letters being far more common than under the Umayyad rulers. Despite Harun's hostility, "the existence of embassies is a sign that the Abbasids accepted that the Byzantine empire was a power with which they had to deal on equal terms" (Kennedy).[68][69]

Civil war occurred in the Byzantine Empire, often with Arab support. With the support of Caliph Al-Ma'mun, Arabs under the leadership of Thomas the Slav invaded, so that within a matter of months, only two themata in Asia Minor remained loyal to Emperor Michael II.[70] When the Arabs captured Thessalonica, the Empire's second largest city, it was quickly re-captured by the Byzantines.[70] Thomas's 821 siege of Constantinople did not get past the city walls, and he was forced to retreat.[70]

The siege of Amorium, miniature from the Madrid Skylitzes

The Arabs did not relinquish their designs on Asia Minor and in 838 began another invasion, sacking the city of Amorion.

Sicily, Italy and Crete[edit]

While a relative equilibrium reigned in the East, the situation in the western Mediterranean was irretrievably altered when the Aghlabids began their slow conquest of Sicily in the 820s. Using Tunisia as their launching pad, the Arabs started by conquering Palermo in 831, Messina in 842, Enna in 859, culminating in the capture of Syracuse in 878.[citation needed]

This in turn opened up southern Italy and the Adriatic Sea for raids and settlement. Byzantium further suffered an important setback with the loss of Crete to a band of Andalusian exiles, who established a piratical emirate on the island and for more than a century ravaged the coasts of the hitherto secure Aegean Sea.[citation needed]

Byzantine resurgence, 863–11th century[edit]

A map of the Byzantine-Arab naval competition in the Mediterranean, 7th to 11th centuries

Religious peace came with the emergence of the Macedonian dynasty in 867, as well as a strong and unified Byzantine leadership;[71] while the Abassid empire had splintered into many factions after 861. Basil I revived the Byzantine Empire into a regional power, during a period of territorial expansion, making the Empire the strongest power in Europe, with an ecclesiastical policy marked by good relations with Rome. Basil allied with the Holy Roman Emperor Louis II against the Arabs, and his fleet cleared the Adriatic Sea from their raids.[72]

With Byzantine help, Louis II captured Bari from the Arabs in 871. The city became Byzantine territory in 876. The Byzantine position on Sicily deteriorated, and Syracuse fell to the Emirate of Sicily in 878. Catania was lost in 900, and finally the fortress of Taormina in 902. Michael of Zahumlje apparently on 10 July 926 sacked Siponto (Latin: Sipontum), which was a Byzantine town in Apulia.[72]

It remains unknown whether Michael did so under King Tomislav's supreme command, as suggested by some historians. According to Omrčanin, Tomislav sent the Croatian navy under Michael's leadership to drive the Saracens from that part of southern Italy and free the city.[73] Sicily would remain under Arab control until the Norman invasion in 1071.

Although Sicily was lost, the general Nikephoros Phokas the Elder succeeded in taking Taranto and much of Calabria in 880, forming the nucleus for the later Catepanate of Italy. The successes in the Italian Peninsula opened a new period of Byzantine domination there. Above all, the Byzantines were beginning to establish a strong presence in the Mediterranean Sea, and especially the Adriatic.

Under John Kourkouas, the Byzantines conquered the emirate of Melitene, along with Tarsos the strongest of the Muslim border emirates, and advanced into Armenia in the 930s; the next three decades were dominated by the struggle of the Phokas clan and their dependants against the Hamdanid emir of Aleppo, Sayf al-Dawla. Al-Dawla was finally defeated by Nikephoros II Phokas, who conquered Cilicia and northern Syria and recovered Crete. His nephew and successor, John I Tzimiskes, pushed even further south, almost reaching Jerusalem, but his death in 976 ended Byzantine expansion towards Palestine.

Nikephoros II and his stepson Basil II (right). Under the Macedonian dynasty, the Byzantine Empire became the strongest power in Europe, recovering territories lost in the war.

After putting an end to the internal strife, Basil II launched a counter-campaign against the Arabs in 995. The Byzantine civil wars had weakened the Empire's position in the east, and the gains of Nikephoros II Phokas and John I Tzimiskes came close to being lost, with Aleppo besieged and Antioch under threat. Basil won several battles in Syria, relieving Aleppo, taking over the Orontes valley, and raiding further south. Although he did not have the force to drive into Palestine and reclaim Jerusalem, his victories did restore much of Syria to the empire — including the larger city of Antioch which was the seat of its eponymous Patriarch.[74]

No Byzantine emperor since Heraclius had been able to hold these lands for any length of time, and the Empire would retain them for the next 110 years until 1078. Piers Paul Read writes that by 1025, Byzantine land "stretched from the Straits of Messina and the northern Adriatic in the west to the River Danube and Crimea in the north, and to the cities of Melitine and Edessa beyond the Euphrates in the east."[74]

Under Basil II, the Byzantines established a swath of new themata, stretching northeast from Aleppo (a Byzantine protectorate) to Manzikert. Under the Theme system of military and administrative government, the Byzantines could raise a force at least 200,000 strong, though in practice these were strategically placed throughout the Empire. With Basil's rule, the Byzantine Empire reached its greatest height in nearly five centuries, and indeed for the next four centuries.[75]

Conclusion[edit]

The wars drew near to a closure when the Turks and various Mongol invaders replaced the threat of either power. From the 11th and 12th centuries onwards, the Byzantine conflicts shifted into the Byzantine-Seljuk wars with the continuing Islamic invasion of Anatolia being taken over by the Seljuk Turks.

After the defeat at the Battle of Manzikert by the Turks in 1071, the Byzantine Empire, with the help of Western Crusaders, re-established its position in the Middle East as a major power. Meanwhile, the major Arab conflicts were in the Crusades, and later against Mongolian invasions, especially that of the Golden Horde and Timur.

Effects[edit]

The Byzantine–Arab Wars provided the conditions that developed feudalism in Medieval Europe.
Further information: Byzantine Papacy and East–West Schism

As with any war of such length, the drawn-out Byzantine–Arab Wars had long lasting effects for both the Byzantine Empire and the Arab states. The Byzantines experienced extensive territorial loss, while the invading Arabs gained strong control in the Middle East and Africa. The focus of the Byzantine Empire shifted from the western reconquests of Justinian to a primarily defensive position, against the Islamic armies on its eastern borders. Without Byzantine interference in the emerging Christian states of western Europe, the situation gave a huge stimulus to feudalism and economic self-sufficiency.[76]

The view of modern historians is that one of the most important effects was the strain it put on the relationship between Rome and Byzantium. While fighting for survival against the Islamic armies, the Empire was no longer able to provide the protection it had once offered to the Papacy; worse still, according to Thomas Woods, the Emperors "routinely intervened in the life of the Church in areas lying clearly beyond the state's competence".[77] The Iconoclast controversy of the 8th and 9th centuries can be taken as a key factor "which drove the Latin Church into the arms of the Franks."[57] Thus it has been argued that Charlemagne was an indirect product of Muhammad:

"The Frankish Empire would probably never have existed without Islam, and Charlemagne without Mahomet would be inconceivable."[78]

The Holy Roman Empire of Charlemagne's successors would later come to the aid of the Byzantines under Louis II and during the Crusades, but relations between the two empires would be strained; based on the Salerno Chronicle, we know the Emperor Basil had sent an angry letter to his western counterpart, reprimanding him for usurping the title of emperor.[79] He argued that the Frankish rulers were simple reges, and that each nation has its own title for the ruler, whereas the imperial title suited only the ruler of the Eastern Romans, Basil himself.[citation needed]

Historiography and other sources[edit]

The 12th century William of Tyre (right), an important commentator on the Crusades and the final stage of the Byzantine-Arab Wars

Walter Emil Kaegi states that extant Arabic sources have been given much scholarly attention for issues of obscurities and contradictions. However, he points out that Byzantine sources are also problematic, such as the chronicles of Theophanes and Nicephorus and those written in Syriac, which are short and terse while the important question of their sources and their use of sources remains unresolved. Kaegi concludes that scholars must also subject the Byzantine tradition to critical scrutiny, as it "contains bias and cannot serve as an objective standard against which all Muslim sources may be confidently checked".[80]

Among the few Latin sources of interest are the 7th century history of Fredegarius, and two 8th-century Spanish chronicles, all of which draw on some Byzantine and oriental historical traditions.[81] As far as Byzantine military action against the initial Muslim invasions, Kaegi asserts that "Byzantine traditions ... attempt to deflect criticism of the Byzantine debacle from Heraclius to other persons, groups, and things".[82]

The range of non-historical Byzantine sources is vast: they range from papyri to sermons (most notable those of Sophronius and Anastasius Sinaita), poetry (especially that of Sophronius and George of Pisidia), correspondence often of a patristic provenance, apologetical treatises, apocalypses, hagiography, military manuals (in particular the Strategikon of Maurice from the beginning of the 7th century), and other non-literary sources, such as epigraphy, archeology, and numismatics. None of these sources contains a coherent account of any of the campaigns and conquests of the Muslim armies, but some do contain invaluable details that survive nowhere else.[83]

See also[edit]

Notes[edit]

^ a: Politico-religious events (such as the outbreak of Monothelitism, which disappointed both the Monophysites and the Chalcedonians) had sharpened the differences between the Byzantines and the Syrians. Also the high taxes, the power of the landowners over the peasants and the participation in the long and exhaustive wars with the Persians were some of the reasons why the Syrians welcomed the change.[84]
^ b: As recorded by Al-Baladhuri. Michael the Syrian records only the phrase "Peace unto thee, O Syria".[85] George Ostrogorsky describes the impact that the loss of Syria had on Heraclius with the following words: "His life's work collapsed before his eyes. The heroic struggle against Persia seemed to be utterly wasted, for his victories here had only prepared the way for the Arab conquest [...] This cruel turn of fortune broke the aged Emperor both in spirit and in body.[86]
^ c: As Steven Runciman describes the event: "On a February day in the year AD 638, the Caliph Omar [Umar] entered Jerusalem along with a white camel which was ride by his slave. He was dressed in worn, filthy robes, and the army that followed him was rough and unkempt; but its discipline was perfect. At his side rode the Patriarch Sophronius as chief magistrate of the surrendered city. Omar rode straight to the site of the Temple of Solomon, whence his friend Mahomet [Muhammed] had ascended into Heaven. Watching him stand there, the Patriarch remembered the words of Christ and murmured through his tears: 'Behold the abomination of desolation, spoken of by Daniel the prophet.'"[87]
^ d: Hugh N. Kennedy notes that "the Muslim conquest of Syria does not seem to have been actively opposed by the towns, but it is striking that Antioch put up so little resistance.[88]
^ e: The Arab leadership realized early that to extend their conquests they would need a fleet. The Byzantine navy was first decisively defeated by the Arabs at a battle in 655 off the Lycian coast, when it was still the most powerful in the Mediterranean. Theophanes the Confessor reported the loss of Rhodes while recounting the sale of the centuries-old remains of the Colossus for scrap in 655.[89]

Citations[edit]

  1. ^ a b The Empire's levies included Christian Armenians, Arab Ghassanids, Mardaites, Slavs, and Rus'
  2. ^ "Ghassan." Encyclopædia Britannica. 2006. Encyclopædia Britannica Online. 18 October 2006 [1]
  3. ^ Theophanes, Chronicle, 317–327
    * Greatrex–Lieu (2002), II, 217–227; Haldon (1997), 46; Baynes (1912), passim; Speck (1984), 178
  4. ^ Foss (1975), 746–47; Howard-Johnston (2006), xv
  5. ^ Liska (1998), 170
  6. ^ Kaegi (1995), 66
  7. ^ Nicolle (1994), 14
  8. ^ "Muhammad", Late Antiquity; Butler (2007), 145
  9. ^ a b c Kaegi (1995), 67
  10. ^ Nicolle (1994), 47–49
  11. ^ a b Kaegi (1995), 112
  12. ^ Nicolle (1994), 45
  13. ^ http://www.fordham.edu/halsall/source/yarmuk.html
  14. ^ Zonaras, Annales, CXXXIV, 1288
    * Sahas (1972), 20
  15. ^ Kennedy (1998), 62
  16. ^ Butler (2007), 427–428
  17. ^ Davies (1996), 245, 252
  18. ^ Butler (2007), 465–483
  19. ^ a b Read (2001), 51
  20. ^ Haldon (1999), 167; Tathakopoulos (2004), 318
  21. ^ Al-Baladhuri, The Battle of the Yarmuk (636) and after
    * Sahas (1972), 23
  22. ^ Treadgold (1997), 312
  23. ^ Fage–Tordoff, 153–154
  24. ^ Norwich (1990), 334
  25. ^ Will Durant, The History of Civilization: Part IV—The Age of Faith. 1950. New York: Simon and Schuster. ISBN 0-671-01200-2
  26. ^ The Islamic World to 1600: Umayyad Territorial Expansion.
  27. ^ Clark, Desmond J.; Roland Anthony Oliver; J. D. Fage; A. D. Roberts (1978) [1975]. The Cambridge History of Africa. Cambridge University Press. p. 637. ISBN 0-521-21592-7. 
  28. ^ a b Edward Gibbon, History of the Decline and Fall of the Roman Empire, Chapter 51.
  29. ^ Luis Garcia de Valdeavellano, Historia de España. 1968. Madrid: Alianza.
  30. ^ Kaegi (1995), pp. 236–244
  31. ^ a b Kennedy (2004) p. 120
  32. ^ Pryor & Jeffreys (2006), p. 25
  33. ^ Treadgold (1997), pp. 313–314
  34. ^ Kennedy (2004) pp. 120, 122
  35. ^ Kaegi (1995), pp. 246–247
  36. ^ a b El-Cheikh (2004), pp. 83–84
  37. ^ Treadgold (1997), pp. 314–318
  38. ^ Treadgold (1997), pp. 318–324
  39. ^ Treadgold (1997), pp. 325–327
  40. ^ The Walls of Constantinople, AD 324–1453, Osprey Publishing, ISBN 1-84176-759-X.
  41. ^ Karen Armstrong: Islam: A Short History. New York, NY, USA: The Modern Library, 2002, 2004 ISBN 0-8129-6618-X
  42. ^ a b c Davies (1996), 245
  43. ^ a b 1911 Encyclopædia Britannica [2]
  44. ^ Treadgold (1997), pp. 337–345
  45. ^ Treadgold (1997), pp. 346–347
  46. ^ Treadgold (1997), p. 347
  47. ^ Treadgold (1997), pp. 347–349
  48. ^ a b Blankinship (1994), pp. 117–119
  49. ^ Treadgold (1997), pp. 349ff.
  50. ^ Kennedy (2004), pp. 143, 275
  51. ^ El-Cheikh (2004), p. 83
  52. ^ Blankinship (1994), pp. 119–121, 162–163
  53. ^ Volcanism on Santorini / eruptive history
  54. ^ a b Treadgold (1997), pp. 350–353
  55. ^ a b Whittow (1996), pp. 139–142
  56. ^ Europe: A History, p273. Oxford: Oxford University Press 1996. ISBN 0-19-820171-0
  57. ^ a b Europe: A History, p246. Oxford: Oxford University Press 1996. ISBN 0-19-820171-0
  58. ^ Blankinship (1994), pp. 20, 168–169, 200
  59. ^ Treadgold (1997), pp. 354–355
  60. ^ El Hibri (2011), p. 302
  61. ^ a b El Hibri (2011), pp. 278–279
  62. ^ a b Kennedy (2001), pp. 105–106
  63. ^ El Hibri (2011), p. 279
  64. ^ Kennedy (2001), p. 106
  65. ^ El-Cheikh (2004), p. 90
  66. ^ El-Cheikh (2004), pp. 89–90
  67. ^ Kennedy (2004), pp. 143–144
  68. ^ cf. El-Cheikh (2004), pp. 90ff.
  69. ^ Kennedy (2004), p. 146
  70. ^ a b c John Julius Norwich (1998). A Short History of Byzantium. Penguin. ISBN 0-14-025960-0. 
  71. ^ Europe: A History. Oxford: Oxford University Press 1996. ISBN 0-19-820171-0
  72. ^ a b Rački, Odlomci iz državnoga práva hrvatskoga za narodne dynastie:, p. 15
  73. ^ Omrčanin, Military history of Croatia:, p. 24
  74. ^ a b Read (2001), 65-66
  75. ^ See map depicting Byzantine territories from the 11th century on; Europe: A History, p 1237. Oxford: Oxford University Press 1996. ISBN 0-19-820171-0
  76. ^ Europe: A History, p 257. Oxford: Oxford University Press 1996. ISBN 0-19-820171-0
  77. ^ Thomas Woods, How the Catholic Church Built Western Civilization, (Washington, DC: Regenery, 2005), ISBN 0-89526-038-7
  78. ^ Pirenne, Henri
    • Mediaeval Cities: Their Origins and the Rivival of Trade (Princeton, NJ, 1925). ISBN 0-691-00760-8
    • See also Mohammed and Charlemagne (London 1939) Dover Publications (2001). ISBN 0-486-42011-6.
  79. ^ Dolger F., Regesten der Kaiserurkunden des ostromischen Reiches. I, p 59, №487. Berlin, 1924.
  80. ^ Kaegi (1995), 2–3
  81. ^ Kaegi (1995), 2
  82. ^ Kaegi (1995), 4–5
  83. ^ Kaegi (1995), 5–6
  84. ^ Read (2001), 50-51; Sahas (1972), 23
  85. ^ Al-Baladhuri, The Battle of the Yarmuk (636) and after; Michael the Syrian, Chronicle, II, 424
    * Sahas (1972), 19–20
  86. ^ Quoted by Sahas (1972), 20 (note 1)
  87. ^ Runciman (1953), i, 3
  88. ^ Kennedy (1970), 611; Kennedy (2006), 87
  89. ^ Theophanes, Chronicle, 645–646
    * Haldon (1990), 55

References[edit]

Primary sources[edit]

Secondary sources[edit]

Further reading[edit]

  • Kennedy, Hugh N. (2006). The Byzantine And Early Islamic Near East. Ashgate Publishing. ISBN 0-7546-5909-7. 

External links[edit]