Byzantine diplomacy concerns the principles, methods, mechanisms, ideals, and techniques that the Byzantine Empire espoused and used in order to negotiate with other states and to promote the goals of its foreign policy. Dimitri Obolensky asserts that the preservation of civilization in Southern Europe was due to the skill and resourcefulness of Byzantine diplomacy, which remains one of Byzantium's lasting contributions to the history of Europe and the Middle East. [1]
After the fall of the Western Roman Empire, the key challenge to the Eastern Roman Empire was to maintain a set of relations between itself and its sundry neighbors, including the Persians, Georgians, Iberians, the Germanic peoples, the Bulgars, the Slavs, the Armenians, the Huns, the Avars, the Franks, the Lombards, and the Arabs, that embodied and so maintained its imperial status. All these neighbors lacked a key resource that Byzantium had taken over from Rome, namely a formalized legal structure. When they set about forging formal political institutions, they were dependent on the empire. Whereas classical writers are fond of making a sharp distinction between peace and war, for the Byzantines diplomacy was a form of war by other means. Anticipating Niccolò Machiavelli and Carl von Clausewitz, Byzantine historian John Kinnamos writes, "Since many and various matters lead toward one end, victory, it is a matter of indifference which one uses to reach it." With a regular army of 120,000-140,000 men after the losses of the seventh century, [2] the empire's security depended on activist diplomacy.
Byzantium's "Bureau of Barbarians" was the first foreign intelligence agency, gathering information on the empire’s rivals from every imaginable source. [3] While on the surface a protocol office—its main duty was to ensure foreign envoys were properly cared for and received sufficient state funds for their maintenance, and it kept all the official translators—it clearly had a security function as well. On Strategy, from the 6th century, offers advice about foreign embassies: "[Envoys] who are sent to us should be received honourably and generously, for everyone holds envoys in high esteem. Their attendants, however, should be kept under surveillance to keep them from obtaining any information by asking questions of our people." [4]
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Byzantine diplomacy drew its neighbors into a network of international and interstate relations, controlled by the empire itself. [5] This process revolved around treaty making. Byzantine historian Evangelos Chrysos postulates a three-layered process at work: 1) the new ruler was welcomed into the family of kings, 2) there was an assimilation of Byzantine social attitudes and values, 3) as a formalization of the second layer of the process, there were laws. [6]
In order to drive this process, the Byzantines availed themselves of a number of mostly diplomatic practices. For example, embassies to Constantinople would often stay on for years. A member of other royal houses would routinely be requested to stay in Constantinople, not only as a potential hostage, but also as a useful pawn in case political conditions where he came from changed. Another key practice was to overwhelm visitors by sumptuous displays. Constantinople's riches served the state's diplomatic purposes as a means of propaganda, and as a way to impress foreigners. [7] When Liutprand of Cremona was sent as an ambassador to the Byzantine capital, he was overwhelmed by the imperial residence, the luxurious meals, and acrobatic entertainment. Special care was taken to stimulate as many of the senses in as high degree as possible: brightly lit things to see, terrifying sounds, tasty food; even the diplomatic set-piece of having barbarians standing around the throne wearing their native gear. [8]
The fact that Byzantium in its dealings with the barbarians generally preferred diplomacy to war is not surprising. For the East Romans, faced with the ever-present necessity of having to battle on two fronts — in the east against Persians, Arabs and Turks, in the north against the Slavs and the steppe nomads — knew from personal experience how expensive war is both in money and manpower. [1] The Byzantines were skilled at using diplomacy as a weapon of war. If the Bulgars threatened, subsidies could be given to the Kievan Rus. A Rus threat could be countered by subsidies to the Patzinaks. If the Patzinaks proved troublesome, the Cumans or Uzès could be contacted. There was always someone to the enemy’s rear in a position to appreciate the emperor's largesse.
This strategy could be seen in practice during the Rus Prince Svyatoslav's invasion of Bulgaria in 967, during which the emperor John Tzimiskes manipulated the Rus, Bulgars, Patzinaks, Magyars, and Avars individually against each other, ultimately weakening and neutralizing such groups who were previously threats to Constantinople. [1]
Another innovative principle of Byzantine diplomacy was effective interference in the internal affairs of other states. In 1282, Michael VIII sponsored a revolt in Sicily against Charles of Anjou called the Sicilian Vespers. Emperor Heraclius once intercepted a message from Persian rival Khosrau II which ordered the execution of a general. Heraclius added 400 names to the message and diverted the messenger, provoking a rebellion by those on the list. The emperor maintained a stable of pretenders to almost every foreign throne. These could be given funds and released to wreak havoc if their homeland threatened attack. [3]
Constantine IX Monomachos reigned as Byzantine emperor from June 1042 to January 1055. Empress Zoë Porphyrogenita chose him as a husband and co-emperor in 1042, although he had been exiled for conspiring against her previous husband, Emperor Michael IV the Paphlagonian. The couple shared the throne with Zoë's sister Theodora Porphyrogenita. Zoë died in 1050, and Constantine continued his collaboration with Theodora until his own death five years later.
The Principality of Serbia was one of the early medieval states of the Serbs, located in the western regions of Southeastern Europe. It existed from the 8th century up to c. 969–971 and was ruled by the Vlastimirović dynasty. Its first ruler known by name was Višeslav who started ruling around 780. While by that time, starting from the year 680–681, the Bulgarian state had taken the lands to the east. Vlastimir resisted and defeated the Bulgarian army in a three-year-war (839–842), and the two powers lived in peace for some decades. Vlastimir's three sons succeeded in ruling Serbia together, although not for long; Serbia became a key part in the power struggle between the Byzantines and Bulgarians, predominantly allied with the Byzantines, which also resulted in major dynastic wars for a period of three decades. The principality was annexed in 924 by Simeon I and subjected to Bulgarian rule until 933 when Serbian prince Časlav was established as ruler of the Serbian land, becoming the most powerful ruler of the Vlastimirović dynasty.
The Asen dynasty founded and ruled a medieval Bulgarian state, called in modern historiography the Second Bulgarian Empire, between 1185 and 1280.
Byzantine Greece has a history that mainly coincides with that of the Byzantine Empire itself.
The Kometopuli dynasty was the last royal dynasty in the First Bulgarian Empire, ruling from c. 976 until the fall of Bulgaria under Byzantine rule in 1018. The most notable member of the dynasty, Tsar Samuel, is famous for successfully resisting Byzantine conquest for more than 40 years. Sometimes the realm of the Cometopuli is called Western Bulgarian Kingdom or Western Bulgarian Empire.
The Byzantine Greeks were the Greek-speaking Eastern Romans throughout Late Antiquity and the Middle Ages. They were the main inhabitants of the lands of the Byzantine Empire, of Constantinople and Asia Minor, the Greek islands, Cyprus, and portions of the southern Balkans, and formed large minorities, or pluralities, in the coastal urban centres of the Levant and northern Egypt. Throughout their history, the Byzantine Greeks self-identified as Romans, but are referred to as "Byzantine Greeks" in modern historiography. Latin speakers identified them simply as Greeks or with the term Romaei.
Thomas Schaub Noonan was an American historian, Slavicist and anthropologist who specialized in early Russian history and Eurasian nomad cultures.
Ivanko, also referred to by some scholars as Ivanko-Alexius, was a Vlach boyar who killed his cousin Ivan Asen I, the ruler of the renascent Second Bulgarian Empire, in 1196. He was a leader of local Vlachs and Bulgarian Slavs.
Dobromir Chrysos was a Vlach warlord in eastern Macedonia during the reign of the Byzantine emperor Alexios III Angelos.
Byzantine university refers to higher education during the Byzantine Empire.
Dimitri Dimitrievich Obolensky was a Russian-British historian who was Professor of Russian and Balkan History at the University of Oxford and the author of various historical works.
The term Byzantine commonwealth was coined by 20th-century historian Dimitri Obolensky to refer to the area where Byzantine general influence was spread during the Middle Ages by the Byzantine Empire and its missionaries. This area covers approximately the modern-day countries of Greece, Cyprus, North Macedonia, Bulgaria, Serbia, Montenegro, Romania, Moldova, Ukraine, Belarus, southwestern Russia, and Georgia. According to Anthony Kaldellis, the Byzantines in general did not have a ecumenical outlook, nor did they think about the notion of a panorthodox commonwealth, which he describes as "Roman chauvinism".
Jonathan Shepard is a British historian specialising in early medieval Russia, the Caucasus, and the Byzantine Empire. He is regarded as a leading authority in Byzantine studies and on the Kievan Rus. He specialises in diplomatic and archaeological history of the early Kievan period. Shepard received his doctorate in 1973 from Oxford University and was a lecturer in Russian History at the University of Cambridge. Among other works, he is co-author of The Emergence of Rus, 750–1200 (1996), and editor of The Cambridge History of the Byzantine Empire (2008).
Pax Khazarica is a historiographical term, modeled after the original phrase Pax Romana, applied to the period during which the Khazar Khaganate dominated the Pontic steppe and the Caucasus Mountains. During this period, Khazar dominion over vital trans-Eurasian trade routes facilitated travel and trade between Europe and Asia by such groups as the Radhanites and the early Rus. The originator of the term is unknown but it was in use by scholars as early as the nineteenth century.
The Byzantine economy was among the most robust economies in the Mediterranean for many centuries. Constantinople was a prime hub in a trading network that at various times extended across nearly all of Eurasia and North Africa. Some scholars argue that, up until the arrival of the Arabs in the 7th century, the Eastern Roman Empire had the most powerful economy in the world. The Arab conquests, however, would represent a substantial reversal of fortunes contributing to a period of decline and stagnation. Constantine V's reforms marked the beginning of a revival that continued until 1204. From the 10th century until the end of the 12th, the Byzantine Empire projected an image of luxury, and the travelers were impressed by the wealth accumulated in the capital. All this changed with the arrival of the Fourth Crusade, which was an economic catastrophe. The Palaiologoi tried to revive the economy, but the late Byzantine state would not gain full control of either the foreign or domestic economic forces.
The Byzantine Empire, also referred to as the Eastern Roman Empire, was the continuation of the Roman Empire centered in Constantinople during Late Antiquity and the Middle Ages. The eastern half of the Empire survived the conditions that caused the fall of the West in the 5th century AD, and continued to exist until the fall of Constantinople to the Ottoman Empire in 1453. During most of its existence, the empire remained the most powerful economic, cultural, and military force in the Mediterranean world. The term "Byzantine Empire" was only coined following the empire's demise; its citizens referred to the polity as the "Roman Empire" and to themselves as "Romans". Due to the imperial seat's move from Rome to Byzantium, the adoption of state Christianity, and the predominance of Greek instead of Latin, modern historians continue to make a distinction between the earlier Roman Empire and the later Byzantine Empire.
The Byzantine Empire's history is generally periodised from late antiquity until the Fall of Constantinople in 1453 AD. From the 3rd to 6th centuries, the Greek East and Latin West of the Roman Empire gradually diverged, marked by Diocletian's formal partition of its administration in 285, the establishment of an eastern capital in Constantinople by Constantine I in 330, and the adoption of Christianity as the state religion under Theodosius I, with others such as Roman polytheism being proscribed. Under the reign of Heraclius, the Empire's military and administration were restructured and adopted Greek for official use instead of Latin. While there was an unbroken continuity in administration and other features of Roman society, historians have often distinguished the Byzantine epoch from earlier eras in Roman history for reasons including the imperial seat moving from Rome to Constantinople and the predominance of Greek instead of Latin.
Kievan Rus', also known as Kyivan Rus', was the first East Slavic state and later an amalgam of principalities in Eastern Europe from the late 9th to the mid-13th century. Encompassing a variety of polities and peoples, including East Slavic, Norse, and Finnic, it was ruled by the Rurik dynasty, founded by the Varangian prince Rurik. The name was coined by Russian historians in the 19th century to describe the period when Kiev was at the center. At its greatest extent in the mid-11th century, Kievan Rus' stretched from the White Sea in the north to the Black Sea in the south and from the headwaters of the Vistula in the west to the Taman Peninsula in the east, uniting the East Slavic tribes.
Sviatoslav's invasion of Bulgaria refers to a conflict beginning in 967/968 and ending in 971, carried out in the eastern Balkans, and involving the Kievan Rus', Bulgaria, and the Byzantine Empire. The Byzantines encouraged the Rus' ruler Sviatoslav to attack Bulgaria, leading to the defeat of the Bulgarian forces and the occupation of the northern and north-eastern part of the country by the Rus' for the following two years. The allies then turned against each other, and the ensuing military confrontation ended with a Byzantine victory. The Rus' withdrew and eastern Bulgaria was incorporated into the Byzantine Empire.
Ruth Iouliani (Juliana) Macrides was a UK-based historian of the Byzantine Empire. At the time of her death, she was Reader in Byzantine Studies at the Centre for Byzantine, Ottoman and Greek Studies at the University of Birmingham. She was an expert in Byzantine history, culture and politics, particularly of the mid-later Byzantine period, and on the reception of Byzantium in Britain and Greece.
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