Byzantium under the Macedonians
Encyclopedia
The Byzantine Empire
Byzantine Empire
The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 reached its height under the Macedonian
Macedonian dynasty
The Macedonian dynasty ruled the Byzantine Empire from 867 to 1056, following the Amorian dynasty. During this period, the Byzantine state reached its greatest expanse since the Muslim conquests, and the Macedonian Renaissance in letters and arts began. The dynasty was named after its founder,...

 emperors of the late 9th, 10th, and early 11th centuries, when it gained control over the Adriatic Sea
Adriatic Sea
The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges...

, southern Italy, and all of the territory of the tsar
Tsar
Tsar is a title used to designate certain European Slavic monarchs or supreme rulers. As a system of government in the Tsardom of Russia and Russian Empire, it is known as Tsarist autocracy, or Tsarism...

 Samuel
Samuil of Bulgaria
Samuel was the Emperor of the First Bulgarian Empire from 997 to 6 October 1014. From 980 to 997, he was a general under Roman I of Bulgaria, the second surviving son of Emperor Peter I of Bulgaria, and co-ruled with him, as Roman bestowed upon him the command of the army and the effective royal...

.

The cities of the empire expanded, and affluence spread across the provinces because of the new-found security. The population rose, and production increased, stimulating new demand while also helping to encourage trade
Trade
Trade is the transfer of ownership of goods and services from one person or entity to another. Trade is sometimes loosely called commerce or financial transaction or barter. A network that allows trade is called a market. The original form of trade was barter, the direct exchange of goods and...

.

Culturally, there was considerable growth in education and learning (the "Macedonian Renaissance
Macedonian Renaissance
Macedonian Renaissance is a label sometimes used to describe the period of the Macedonian dynasty of the Byzantine Empire , especially the 10th century, which some scholars have seen as a time of increased interest in classical scholarship and the assimilation of classical motifs into Christian...

"). Ancient texts were preserved and patiently re-copied. Byzantine art
Byzantine art
Byzantine art is the term commonly used to describe the artistic products of the Byzantine Empire from about the 5th century until the Fall of Constantinople in 1453....

 flourished, and brilliant mosaic
Mosaic
Mosaic is the art of creating images with an assemblage of small pieces of colored glass, stone, or other materials. It may be a technique of decorative art, an aspect of interior decoration, or of cultural and spiritual significance as in a cathedral...

s graced the interiors of the many new churches.

Though the empire was significantly smaller than during the reign of Justinian
Justinian I
Justinian I ; , ; 483– 13 or 14 November 565), commonly known as Justinian the Great, was Byzantine Emperor from 527 to 565. During his reign, Justinian sought to revive the Empire's greatness and reconquer the lost western half of the classical Roman Empire.One of the most important figures of...

, it was also stronger, as the remaining territories were less geographically dispersed and more politically and culturally integrated.

Internal developments

Although traditionally attributed to Basil I
Basil I
Basil I, called the Macedonian was a Byzantine emperor of probable Armenian descent who reigned from 867 to 886. Born a simple peasant in the Byzantine theme of Macedonia, he rose in the imperial court, and usurped the imperial throne from Emperor Michael III...

 (867–86), initiator of the Macedonian dynasty, the "Byzantine Renaissance" has been more recently ascribed to the reforms of his predecessor, Michael III
Michael III
Michael III , , Byzantine Emperor from 842 to 867. Michael III was the third and traditionally last member of the Amorian-Phrygian Dynasty...

 (842–67) and his wife's counsellor, the erudite Theoktistos
Theoktistos
Theoktistos was an influential senior Byzantine official during the reigns of Michael II and his son Theophilos, and regent for the underage Michael III...

. The latter in particular favoured culture at the court, and, with a careful financial policy, steadily increased the gold reserves of the Empire. The rise of the Macedonian dynasty coincided with internal developments which strengthened the religious unity of the empire.

The iconoclast
Iconoclasm
Iconoclasm is the deliberate destruction of religious icons and other symbols or monuments, usually with religious or political motives. It is a frequent component of major political or religious changes...

 movement was experiencing a steep decline: this favoured its soft suppression by the emperors and the reconciliation of the religious strife that had drained the imperial resources in the previous centuries. Despite occasional tactical defeats, the administrative, legislative, cultural and economic situation continued to improve under Basil's successors, especially with Romanos I Lekapenos
Romanos I
Romanos I Lekapenos was Byzantine Emperor from 920 until his deposition on December 16, 944.-Origin:...

 (920–44). The theme
Theme (Byzantine administrative unit)
The themes or themata were the main administrative divisions of the middle Byzantine Empire. They were established in the mid-seventh century in the aftermath of the Muslim conquests of Byzantine territory and replaced the earlier provincial system established by emperors Diocletian and...

 system reached its definitive form in this period. The Eastern Orthodox Church
Eastern Orthodox Church
The Orthodox Church, officially called the Orthodox Catholic Church and commonly referred to as the Eastern Orthodox Church, is the second largest Christian denomination in the world, with an estimated 300 million adherents mainly in the countries of Belarus, Bulgaria, Cyprus, Georgia, Greece,...

 establishment began to loyally support the imperial cause, and the power of the landowning class was limited in favour of agricultural small holders, who made up an important part of the military force of the Empire. These favourable conditions contributed to the increasing ability of the emperors to wage war against the Arabs.

Wars against the Muslims

By 867, the empire had stabilised its position in both the east and the west, while the success of its defensive military structure had enabled the emperors to begin planning wars of reconquest in the east.

The process of reconquest began with variable fortunes. The temporary reconquest of Crete
Crete
Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...

 (843) was followed by a crushing Byzantine defeat on the Bosporus
Bosporus
The Bosphorus or Bosporus , also known as the Istanbul Strait , is a strait that forms part of the boundary between Europe and Asia. It is one of the Turkish Straits, along with the Dardanelles...

, while the emperors were unable to prevent the ongoing Muslim conquest of Sicily
Sicily
Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

 (827–902). Using present day Tunisia
Tunisia
Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...

 as their launching pad, the Muslims conquered Palermo
Palermo
Palermo is a city in Southern Italy, the capital of both the autonomous region of Sicily and the Province of Palermo. The city is noted for its history, culture, architecture and gastronomy, playing an important role throughout much of its existence; it is over 2,700 years old...

 in 831, Messina in 842, Enna
Enna
Enna is a city and comune located roughly at the center of Sicily, southern Italy, in the province of Enna, towering above the surrounding countryside...

 in 859, Syracuse in 878, Catania
Catania
Catania is an Italian city on the east coast of Sicily facing the Ionian Sea, between Messina and Syracuse. It is the capital of the homonymous province, and with 298,957 inhabitants it is the second-largest city in Sicily and the tenth in Italy.Catania is known to have a seismic history and...

 in 900 and the final Greek stronghold, the fortress of Taormina
Taormina
Taormina is a comune and small town on the east coast of the island of Sicily, Italy, in the Province of Messina, about midway between Messina and Catania. Taormina has been a very popular tourist destination since the 19th century...

, in 902.

These drawbacks were later counterbalanced by a victorious expedition against Damietta
Damietta
Damietta , also known as Damiata, or Domyat, is a port and the capital of the Damietta Governorate in Egypt. It is located at the intersection between the Mediterranean Sea and the Nile, about north of Cairo.-History:...

 in Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 (856), the defeat of the Emir of Melitene (863), the confirmation of the imperial authority over Dalmatia
Dalmatia
Dalmatia is a historical region on the eastern coast of the Adriatic Sea. It stretches from the island of Rab in the northwest to the Bay of Kotor in the southeast. The hinterland, the Dalmatian Zagora, ranges from fifty kilometers in width in the north to just a few kilometers in the south....

 (867) and Basil I's offensives towards the Euphrates
Euphrates
The Euphrates is the longest and one of the most historically important rivers of Western Asia. Together with the Tigris, it is one of the two defining rivers of Mesopotamia...

 (870s).

The threat from the Arab Muslims
Arab Muslims
Arab Muslims are adherents of the religion of Islam who identify linguistically, culturally, or genealogically as Arabs. They greatly outnumber other ethnic groups in the Middle East. Muslims who are not Arabs are called mawali by Arab Muslims....

 was meanwhile reduced by inner struggles and by the rise of the Turks
Turkic peoples
The Turkic peoples are peoples residing in northern, central and western Asia, southern Siberia and northwestern China and parts of eastern Europe. They speak languages belonging to the Turkic language family. They share, to varying degrees, certain cultural traits and historical backgrounds...

 in the east. Muslims received assistance however from the Paulician sect, which had found a large following in the eastern provinces of the Empire and, facing persecution under the Byzantines, often fought under the Arab flag. It took several campaigns to subdue the Paulicians, who were eventually defeated by Basil I.

In 904, disaster struck the empire when its second city, Thessaloniki
Thessaloniki
Thessaloniki , historically also known as Thessalonica, Salonika or Salonica, is the second-largest city in Greece and the capital of the region of Central Macedonia as well as the capital of the Decentralized Administration of Macedonia and Thrace...

, was sacked by an Arab fleet led by a Byzantine renegade. The Byzantines responded by destroying an Arab fleet in 908, and sacking the city of Laodicea
Laodicea
- Turkey :*Laodicea on the Lycus, in Phrygia*Laodicea Pontica, in the Pontus*Laodicea Combusta, in Pisidia- Other countries :* Laodicea , in Greece* Laodicea , in Iraq* Laodicea in Media, former name of Nahavand, Iran...

in Syria two years later. Despite this revenge, the Byzantines were still unable to strike a decisive blow against the Muslims, who inflicted a crushing defeat on the imperial forces when they attempted to regain Crete in 911.

The situation on the border with the Arab territories remained fluid, with the Byzantines alternatively on the offensive or defensive. Kievan Rus'
Kievan Rus'
Kievan Rus was a medieval polity in Eastern Europe, from the late 9th to the mid 13th century, when it disintegrated under the pressure of the Mongol invasion of 1237–1240....

, who appeared near Constantinople for the first time in 860
Rus'-Byzantine War (860)
The Rus'–Byzantine War of 860 was the only major military expedition of the Rus' Khaganate recorded in Byzantine and Western European sources. Accounts vary regarding the events that took place, with discrepancies between contemporary and later sources, and the exact outcome is unknown...

, constituted another new challenge. In 941 they appeared on the Asian shore
Rus'-Byzantine War (941)
The Rus'–Byzantine War of 941 took place during the reign of Igor of Kiev. The Khazar Correspondence reveals that the campaign was instigated by the Khazars, who wished revenge on the Byzantines after the persecutions of the Jews undertaken by Emperor Romanus I Lecapenus.The Rus' and their allies,...

 of the Bosporus
Bosporus
The Bosphorus or Bosporus , also known as the Istanbul Strait , is a strait that forms part of the boundary between Europe and Asia. It is one of the Turkish Straits, along with the Dardanelles...

, but this time they were crushed, showing the improvements in the Byzantine military position after 907, when only diplomacy had been able to push back the invaders
Rus'-Byzantine Treaty (907)
According to the Primary Chronicle, the first Rus'–Byzantine Treaty was concluded in 907 as a result of Oleg's raid against Constantinople...

. The vanquisher of the Rus' was the famous general John Kourkouas
John Kourkouas
John Kourkouas , also transliterated as Kurkuas or Curcuas, was one of the most important generals of the Byzantine Empire. His successes in battle against the Muslim states in the East definitively reversed the course of the centuries-long Byzantine–Arab Wars and began Byzantium's 10th-century...

, who continued the offensive with other noteworthy victories in Mesopotamia (943): these culminated in the reconquest of Edessa
Edessa, Mesopotamia
Edessa is the Greek name of an Aramaic town in northern Mesopotamia, as refounded by Seleucus I Nicator. For the modern history of the city, see Şanlıurfa.-Names:...

 (944), which was especially celebrated for the return to Constantinople of the venerated Mandylion.

The soldier emperors Nikephoros II Phokas (reigned 963–69) and John I Tzimiskes
John I Tzimiskes
John I Tzimiskes or Tzimisces, was Byzantine Emperor from December 11, 969 to January 10, 976. A brilliant and intuitive general, John's short reign saw the expansion of the empire's borders and the strengthening of Byzantium itself.- Background :...

 (969–76) expanded the empire well into Syria
Syria
Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

, defeating the emirs of north-west Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

 and reconquering Crete
Crete
Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...

 and Cyprus
Cyprus
Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

. At one point under John, the empire's armies even threatened Jerusalem, far to the south. The emirate of Aleppo
Aleppo
Aleppo is the largest city in Syria and the capital of Aleppo Governorate, the most populous Syrian governorate. With an official population of 2,301,570 , expanding to over 2.5 million in the metropolitan area, it is also one of the largest cities in the Levant...

 and its neighbours became vassals of the empire in the east, where the greatest threat to the empire was the Egyptian Fatimid
Fatimid
The Fatimid Islamic Caliphate or al-Fāṭimiyyūn was a Berber Shia Muslim caliphate first centered in Tunisia and later in Egypt that ruled over varying areas of the Maghreb, Sudan, Sicily, the Levant, and Hijaz from 5 January 909 to 1171.The caliphate was ruled by the Fatimids, who established the...

 kingdom.

Wars against the Bulgarians

The traditional struggle with the See of Rome
Holy See
The Holy See is the episcopal jurisdiction of the Catholic Church in Rome, in which its Bishop is commonly known as the Pope. It is the preeminent episcopal see of the Catholic Church, forming the central government of the Church. As such, diplomatically, and in other spheres the Holy See acts and...

 continued, spurred by the question of religious supremacy over the newly Christianized Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

. This prompted an invasion by the powerful Tsar Simeon I
Simeon I of Bulgaria
Simeon I the Great ruled over Bulgaria from 893 to 927, during the First Bulgarian Empire. Simeon's successful campaigns against the Byzantines, Magyars and Serbs led Bulgaria to its greatest territorial expansion ever, making it the most powerful state in contemporary Eastern Europe...

 in 894, but this was pushed back by the Byzantine diplomacy, which called on the help of the Hungarians. The Byzantines were in turn defeated, however, at the Battle of Bulgarophygon
Battle of Bulgarophygon
The Battle of Boulgarophygon or Battle of Bulgarophygon was fought in the summer of 896 near the town of Bulgarophygon, modern Babaeski in Turkey, between the Byzantine Empire and the First Bulgarian Empire...

 (896), and obliged to pay annual subsides to the Bulgars. Later (912) Simeon even had the Byzantines grant him the crown of basileus of Bulgaria and had the young emperor Constantine VII
Constantine VII
Constantine VII Porphyrogennetos or Porphyrogenitus, "the Purple-born" was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 913 to 959...

 marry one of his daughters. When a revolt in Constantinople halted his dynastic project, he again invaded Thrace and conquered Adrianople
Edirne
Edirne is a city in Eastern Thrace, the northwestern part of Turkey, close to the borders with Greece and Bulgaria. Edirne served as the capital city of the Ottoman Empire from 1365 to 1453, before Constantinople became the empire's new capital. At present, Edirne is the capital of the Edirne...

.

A great imperial expedition under Leo Phokas
Leo Phokas
Leo Phokas or Phocas may refer to:* Leo Phokas the Elder, Byzantine general in the early 10th century* Leo Phokas the Younger, great-nephew of the above, Byzantine general in the mid-10th century...

 and Romanos Lekapenos
Romanos I
Romanos I Lekapenos was Byzantine Emperor from 920 until his deposition on December 16, 944.-Origin:...

 ended again with a crushing Byzantine defeat at the Battle of Anchialus (917), and the following year the Bulgars were free to ravage northern Greece up to Corinth
Corinth
Corinth is a city and former municipality in Corinthia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Corinth, of which it is the seat and a municipal unit...

. Adrianople was captured again in 923 and in 924 a Bulgar army laid siege to Constantinople. The situation in the Balkans improved only after Simeon's death in 927.

Under the emperor Basil II
Basil II
Basil II , known in his time as Basil the Porphyrogenitus and Basil the Young to distinguish him from his ancestor Basil I the Macedonian, was a Byzantine emperor from the Macedonian dynasty who reigned from 10 January 976 to 15 December 1025.The first part of his long reign was dominated...

 (reigned 976–1025), the Bulgars, who had conquered much of the Balkans from the Byzantines since their arrival three hundred years previously, became the target of annual campaigns by the Byzantine army. The war was to drag on for nearly twenty years, but eventually at the Battle of Kleidon the Bulgars were completely defeated. The Bulgarian army was captured, and it is said that 99 out of every 100 men were blinded, with the remaining hundredth man left with one eye so as to lead his compatriots home. When Tsar Samuel
Samuil of Bulgaria
Samuel was the Emperor of the First Bulgarian Empire from 997 to 6 October 1014. From 980 to 997, he was a general under Roman I of Bulgaria, the second surviving son of Emperor Peter I of Bulgaria, and co-ruled with him, as Roman bestowed upon him the command of the army and the effective royal...

 saw the broken remains of his once gallant army, he died of shock. In 1018, Bulgaria surrendered and became part of the empire. This stunning victory restored the Danube
Danube
The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 frontier, which had not been held since the days of the emperor Heraclius.

During this period the Byzantine princess Theophanu
Theophanu
Theophanu , also spelled Theophania, Theophana or Theophano, was born in Constantinople, and was the wife of Otto II, Holy Roman Emperor.-Family:...

, wife of the Holy Roman Emperor Otto II, served as regent of the Holy Roman Empire
Holy Roman Empire
The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...

, paving the way for the westward spread of Byzantine culture.

Relations with Kievan Rus'

Between 800 and 1100 the empire developed a mixed relationship with the new state of Kievan Rus' that emerged to the north across the Black Sea
Black Sea
The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...

.

The Byzantine Empire quickly became a main trading and cultural partner for Kiev. After Christianizing Rus' Vladimir the Great employed many architects and artists to work on numerous cathedrals and churches around Rus', expanding the Byzantine influence even further.

Kievan Rus' princes were often married into the Byzantine imperial family and Constantinople often employed princes' armies; most notably, Vladimir the Great presented Byzantium with the famous Varangian Guard
Varangian Guard
The Varangian Guard was an elite unit of the Byzantine Army in 10th to the 14th centuries, whose members served as personal bodyguards of the Byzantine Emperors....

 – an army of vicious Scandinavia
Scandinavia
Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

n mercenaries. Some believe that this was in exchange for the marriage to Basil's sister Anna to Vladimir. However, the Primary Chronicle
Primary Chronicle
The Primary Chronicle , Ruthenian Primary Chronicle or Russian Primary Chronicle, is a history of Kievan Rus' from about 850 to 1110, originally compiled in Kiev about 1113.- Three editions :...

 states the marriage was in exchange for the Rus' conversion to orthodoxy; the Varangian Guard was a by-product (although a significant one) of this exchange.

The relationship was not always friendly. During this three hundred year interval Constantinople
Constantinople
Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

 and other Byzantine cities were attacked several times by the armies of Kievan Rus' (see Rus'-Byzantine Wars). Kiev never went far enough to actually endanger the empire; the wars were primarily a tool to force the Byzantines to sign increasingly favorable trade treaties, the texts of which are recorded in the Primary Chronicle (Rus'-Byzantine Treaty (907)
Rus'-Byzantine Treaty (907)
According to the Primary Chronicle, the first Rus'–Byzantine Treaty was concluded in 907 as a result of Oleg's raid against Constantinople...

) and other historical documents. Constantinople at the same time constantly played Kievan Rus', Bulgaria, and Poland against each other.

The Byzantine influence on Kievan Rus' cannot be overestimated. Byzantine-style writing became a standard for the Cyrillic alphabet, Byzantine architecture dominated in Kiev, and as a main trading partner Byzantine played a critical role in the establishment, rise and fall of Kievan Rus'.

Triumph

The Byzantine Empire now stretched to Armenia
Armenia
Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

 in the east, to Calabria
Calabria
Calabria , in antiquity known as Bruttium, is a region in southern Italy, south of Naples, located at the "toe" of the Italian Peninsula. The capital city of Calabria is Catanzaro....

 in Southern Italy in the west. Many successes had been achieved, ranging from the conquest of Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, to the annexation of parts of Georgia
Georgia (country)
Georgia is a sovereign state in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded to the west by the Black Sea, to the north by Russia, to the southwest by Turkey, to the south by Armenia, and to the southeast by Azerbaijan. The capital of...

 and Armenia, to the total annihilation of an invading force of Egyptians outside Antioch
Antioch
Antioch on the Orontes was an ancient city on the eastern side of the Orontes River. It is near the modern city of Antakya, Turkey.Founded near the end of the 4th century BC by Seleucus I Nicator, one of Alexander the Great's generals, Antioch eventually rivaled Alexandria as the chief city of the...

. Yet even these victories were not enough; Basil considered the continued Arab occupation of Sicily
Sicily
Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

 to be an outrage. Accordingly, he planned to reconquer the island, which had belonged to the empire for over three hundred years (c. 550 – c. 900). However, his death in 1025 put an end to the project.

The 11th century was also momentous for its religious events. In 1054, relations between Greek-speaking Eastern and Latin-speaking Western traditions within the Christian Church reached a terminal crisis. Although there was a formal declaration of institutional separation, on July 16, when three papal legates entered the Hagia Sophia
Hagia Sophia
Hagia Sophia is a former Orthodox patriarchal basilica, later a mosque, and now a museum in Istanbul, Turkey...

 during Divine Liturgy
Divine Liturgy
Divine Liturgy is the common term for the Eucharistic service of the Byzantine tradition of Christian liturgy. As such, it is used in the Eastern Orthodox and Eastern Catholic Churches. Armenian Christians, both of the Armenian Apostolic Church and of the Armenian Catholic Church, use the same term...

 on a Saturday afternoon and placed a bull
Papal bull
A Papal bull is a particular type of letters patent or charter issued by a Pope of the Catholic Church. It is named after the bulla that was appended to the end in order to authenticate it....

 of excommunication
Excommunication
Excommunication is a religious censure used to deprive, suspend or limit membership in a religious community. The word means putting [someone] out of communion. In some religions, excommunication includes spiritual condemnation of the member or group...

 on the altar, the so-called Great Schism
East-West Schism
The East–West Schism of 1054, sometimes known as the Great Schism, formally divided the State church of the Roman Empire into Eastern and Western branches, which later became known as the Eastern Orthodox Church and the Roman Catholic Church, respectively...

 was actually the culmination of centuries of gradual separation. Although the schism was brought about by doctrinal disputes (in particular, Eastern refusal to accept the Western Church doctrine of the filioque, or double procession of the Holy Spirit
Holy Spirit
Holy Spirit is a term introduced in English translations of the Hebrew Bible, but understood differently in the main Abrahamic religions.While the general concept of a "Spirit" that permeates the cosmos has been used in various religions Holy Spirit is a term introduced in English translations of...

), disputes over administration and political issues had simmered for centuries. The formal separation of the Eastern Orthodox Church
Eastern Orthodox Church
The Orthodox Church, officially called the Orthodox Catholic Church and commonly referred to as the Eastern Orthodox Church, is the second largest Christian denomination in the world, with an estimated 300 million adherents mainly in the countries of Belarus, Bulgaria, Cyprus, Georgia, Greece,...

 and the Western Catholic Church
Roman Catholic Church
The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

 would have wide ranging consequences for the future of Byzantium.

See also

  • Byzantium under the Heraclians
    Byzantium under the Heraclians
    Byzantium under the Heraclians refers to the period when the East Roman or Byzantine Empire was ruled by the emperors of the Heraclian dynasty. The Heraclians presided over a period of cataclysmic events that were a watershed in the history of the Empire and the world in general.At the beginning of...

  • Byzantium under the Isaurians
    Byzantium under the Isaurians
    The Eastern Roman Empire was ruled by the Isaurian or Syrian dynasty from 711 to 802. The Isaurian emperors were successful in defending and consolidating the Empire against the Caliphate after the onslaught of the early Muslim conquests, but were less successful in Europe, where they suffered...

  • Byzantium under the Komnenoi
    Byzantium under the Komnenoi
    The Byzantine Empire or Byzantium is the term conventionally used by historians to describe the Greek-speaking Roman Empire of the Middle Ages, centered around its capital of Constantinople...

  • Byzantium under the Angeloi
    Byzantium under the Angeloi
    The Byzantine Empire or Byzantium is the term conventionally used since the 19th century to describe the Greek-speaking Roman Empire of the Middle Ages, centered around its capital of Constantinople...

  • Byzantium under the Palaiologoi
    Byzantium under the Palaiologoi
    The Byzantine Empire or Byzantium, the term conventionally used since the 19th century to describe the Greek-speaking Roman Empire of the Middle Ages, was ruled by the Palaiologoi dynasty in the period c...

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