List of Byzantine wars
Encyclopedia
This is a list of the wars or external conflicts fought during the history of the Eastern Roman or 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...

 (330–1453). The definition of organized is any external conflict that was fought by the government of the Byzantine Empire. For internal conflicts see the list of Byzantine revolts and civil wars.

6th century

  • 502–506 Anastasian War
    Anastasian War
    The Anastasian War was fought from 502 to 506 between the Eastern Roman Empire and the Sassanid Empire. It was the first major conflict between the two powers since 440, and would be the prelude to a long series of destructive conflicts between the two empires over the next century.-Prelude:Several...

     with Sassanid Persia.
  • 526–532: Iberian War
    Iberian War
    The Iberian War was fought from 526 to 532 between the Eastern Roman Empire and Sassanid Empire over the eastern Georgian kingdom of Iberia.-Origin:After the Anastasian War, a seven-year truce was agreed on, yet it lasted for nearly twenty years...

     with Sassanid Persia.
  • 533–534: Vandalic War
    Vandalic War
    The Vandalic War was a war fought in North Africa, in the areas of modern Tunisia and eastern Algeria, in 533-534, between the forces of the Eastern Roman Empire and the Vandal Kingdom of Carthage...

     in Northern Africa.
  • 534–548: Moorish Wars in Africa.
  • 535–554: Gothic War in 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....

     and Italy
    Italy
    Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

    .
  • 541–562: Lazic War
    Lazic War
    The Lazic War or Colchic War, also known as the Great War of Egrisi in Georgian historiography, was fought between the Byzantine Empire and Sassanid Persia for control of the region of Lazica, in what is now western Georgia...

     with Sassanid Persia.
  • 552–555: Byzantine intervention in the Visigoth
    Visigoth
    The Visigoths were one of two main branches of the Goths, the Ostrogoths being the other. These tribes were among the Germans who spread through the late Roman Empire during the Migration Period...

     civil war in Spain, formation of Spania
    Spania
    Spania was a province of the Roman Empire from 552 until 624 in the south of the Iberian Peninsula and the Balearic Islands. It was a part of the conquests of Roman Emperor Justinian I in an effort to restore the western half of the Empire....

     province.
  • 560s–578: War with the Romano-Moorish kingdom of Garmul.
  • 572–591: War with Persia over the Caucasus.
  • 582–602: War
    Maurice's Balkan campaigns
    Maurice's Illyricum campaigns were a series of military expeditions conducted by emperor of Constantinopolis Maurice in an attempt to defend the Illyrian provinces of the East Roman Empire from Avars and Slavs...

     against the Avars
    Eurasian Avars
    The Eurasian Avars or Ancient Avars were a highly organized nomadic confederacy of mixed origins. They were ruled by a khagan, who was surrounded by a tight-knit entourage of nomad warriors, an organization characteristic of Turko-Mongol groups...

     and Slavs in the Balkans.

7th century

  • 602–628: Final Byzantine-Persian war
    Byzantine-Sassanid War of 602–628
    The Byzantine–Sassanid War of 602–628 was the final and most devastating of the series of wars fought between the Roman Empire and the Sassanid Empire. The previous war had ended in 591 after Emperor Maurice had helped the Sassanian king Khosrau II regain his throne. In 602, Maurice was murdered...

    .
  • 626: Avar
    Eurasian Avars
    The Eurasian Avars or Ancient Avars were a highly organized nomadic confederacy of mixed origins. They were ruled by a khagan, who was surrounded by a tight-knit entourage of nomad warriors, an organization characteristic of Turko-Mongol groups...

     siege
    Siege of Constantinople (626)
    The Siege of Constantinople in 626 by the Avars, aided by large numbers of allied Slavs and the Sassanid Persians, ended in a strategic victory for the Byzantines...

     of Constantinople.
  • 633–642: Beginning of the Muslim conquests
    Muslim conquests
    Muslim conquests also referred to as the Islamic conquests or Arab conquests, began with the Islamic prophet Muhammad. He established a new unified polity in the Arabian Peninsula which under the subsequent Rashidun and Umayyad Caliphates saw a century of rapid expansion of Muslim power.They...

    . Fall of Syria
    Muslim conquest of Syria
    The Muslim conquest of Syria occurred in the first half of the 7th century, and refers to the region known as the Bilad al-Sham, the Levant, or Greater Syria...

     (634–638) and Egypt
    Muslim conquest of Egypt
    At the commencement of the Muslims conquest of Egypt, Egypt was part of the Byzantine Empire with its capital in Constantinople. However, it had been occupied just a decade before by the Persian Empire under Khosrau II...

     (639–642).
  • 645–656: Renewed war with the Caliphate, loss of 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...

     and most of Armenia. The Muslim onslaught towards Constantinople was halted following the outbreak of the First Fitna
    First Fitna
    The First Islamic Civil War , also called the First Fitna , was the first major civil war within the Islamic Caliphate. It arose as a struggle over who had the legitimate right to become the ruling Caliph...

    .
  • 647–709: Umayyad conquest of North Africa
    Umayyad conquest of North Africa
    The Umayyad conquest of North Africa continued the century of rapid Arab Muslim expansion following the death of Muhammad in 632 CE. By 640 the Arabs controlled Mesopotamia, had invaded Armenia, and were concluding their conquest of Byzantine Syria. Damascus was the seat of the Umayyad caliphate....

    .
  • 668–678: Renewed attacks on the Byzantine Empire by Muawiyah, leading to the First Arab Siege of Constantinople. Following its failure, a truce was agreed, providing for payment of tribute, men and horses to the Empire.
  • 680–681: Constantine IV
    Constantine IV
    Constantine IV , , sometimes incorrectly called Pogonatos, "the Bearded", by confusion with his father; was Byzantine emperor from 668 to 685...

    's campaign against the Bulgar
    Bulgars
    The Bulgars were a semi-nomadic who flourished in the Pontic Steppe and the Volga basin in the 7th century.The Bulgars emerge after the collapse of the Hunnic Empire in the 5th century....

     khan Asparukh ends in defeat, forcing the Empire to recognize the establishment 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...

     in Moesia
    Moesia
    Moesia was an ancient region and later Roman province situated in the Balkans, along the south bank of the Danube River. It included territories of modern-day Southern Serbia , Northern Republic of Macedonia, Northern Bulgaria, Romanian Dobrudja, Southern Moldova, and Budjak .-History:In ancient...

    .
  • 686–688: Successful Byzantine offensive established Byzantine control over Armenia and Caucasian Iberia
    Caucasian Iberia
    Iberia , also known as Iveria , was a name given by the ancient Greeks and Romans to the ancient Georgian kingdom of Kartli , corresponding roughly to the eastern and southern parts of the present day Georgia...

    , followed by favourable peace agreement with the Umayyad Caliphate, in return for the withdrawal of the Mardaites
    Mardaites
    The Mardaites inhabited the highland regions of southern Anatolia, Isauria, Syria, and Lebanon. Their origins are little known, but they may have been of Armenian origin...

     into the Empire.
  • 688–689: Balkan campaign of Justinian II
    Justinian II
    Justinian II , surnamed the Rhinotmetos or Rhinotmetus , was the last Byzantine Emperor of the Heraclian Dynasty, reigning from 685 to 695 and again from 705 to 711...

     secured the coast between Thrace and Macedonia. Many Slavs were captured and resettled in imperial territory. Over 30,000 were incorporated into the Byzantine army.
  • 688/689: Byzantine offensive into Syria and Lebanon leads to a new truce, and the withdrawal of more Mardaites.
  • 692–718: Almost constant war with the Arabs in various fronts. The defeat at the Battle of Sebastopolis and internal instability led to the gradual loss of Armenia and Cilicia, and despite some successes by Heraclius
    Heraclius (brother of Tiberius III)
    Heraclius was the brother of the Byzantine emperor Tiberius III and the Byzantine Empire's leading general during his reign. He scored a number of victories against the Umayyads, but was unable to halt the Arab conquest of Armenia, nor able to prevent the deposition of his brother by Justinian II...

     the Byzantines generally maintained a defensive stance against the annual Arab raids into Anatolia. Carthage
    Carthage
    Carthage , implying it was a 'new Tyre') is a major urban centre that has existed for nearly 3,000 years on the Gulf of Tunis, developing from a Phoenician colony of the 1st millennium BC...

     fell in 697. Recovered soon after, it was again lost
    Battle of Carthage (698)
    The Battle of Carthage was fought in 698 AD between a Byzantine expeditionary force and the armies of the Umayyad Caliphate. Having lost Carthage to the Muslims, Emperor Leontius sent the navy under the command of John the Patrician and the droungarios Tiberius Apsimarus. They entered the harbor...

     in 698, marking the end of Byzantine North Africa. From 712 on, the Arab raids penetrated ever deeper into Anatolia, with the final objective of mounting an assault on Constantinople. The repulsion of the Second Arab Siege of Constantinople (717–718) was a major Byzantine success, and halted Arab attacks against the Empire for a few years.

8th century

  • 708: War with Bulgaria ends in defeat at Anchialus
    Battle of Anchialus (708)
    The Battle of Anchialus occurred in 708 near the town of Pomorie, Bulgaria .- Origines of the conflict :In 705, the Bulgarian Khan Tervel helped the ex-emperor of Byzantium, Justinian II to regain his throne after 10 years in exile...

    .
  • 720–740 : Annual Arab raiding expeditions (ṣawā'if) against Byzantine Anatolia resume. Stiffening Byzantine resistance leads to the victory at Akroinon
    Battle of Akroinon
    The Battle of Akroinon was fought at Akroinon or Akroinos in Phrygia, on the western edge of the Anatolian plateau, in 740 between an Umayyad Arab army and the Byzantine forces. The Arabs had been conducting regular raids into Anatolia for the past century, and the 740 expedition was the largest...

     at 740.
  • 741–752: Campaigns of Constantine V
    Constantine V
    Constantine V was Byzantine emperor from 741 to 775; ); .-Early life:...

     against the Arabs, who were embroiled in civil war
    Battle of the Zab
    The Battle of the Zab took place on the banks of the Great Zab river in what is now Iraq on January 25, 750. It spelled the end of the Umayyad Caliphate and the rise of the Abbasids, a dynasty that would last until the 13th century.-Background:A serious rebellion had broken out in 747 against...

    , leading to the recovery of all of Armenia 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...

    .
  • 755–767: War with the Bulgars
    First Bulgarian Empire
    The First Bulgarian Empire was a medieval Bulgarian state founded in the north-eastern Balkans in c. 680 by the Bulgars, uniting with seven South Slavic tribes...

    . Constantine V
    Constantine V
    Constantine V was Byzantine emperor from 741 to 775; ); .-Early life:...

     defeats the Bulgar khan Telets, leading to the conclusion of a favourable peace treaty in 767.
  • 772–775: War with the Bulgars under Telerig, launched as a pre-emptive strike by Constantine V
    Constantine V
    Constantine V was Byzantine emperor from 741 to 775; ); .-Early life:...

    .
  • 775–783: War with the Abbasids. After the death of Constantine V in 775, Arab raids resumed. After a heavy defeat at Germanicopolis in 779/780, the Abbasids launched a series of major invasions under Harun al-Rashid
    Harun al-Rashid
    Hārūn al-Rashīd was the fifth Arab Abbasid Caliph in Iraq. He was born in Rey, Iran, close to modern Tehran. His birth date remains a point of discussion, though, as various sources give the dates from 763 to 766)....

    , which led to the conclusion of a truce in 783.
  • 780–783: Raids by the Bulgars under Kardam, leading to an agreement of non-aggression in exchange for annual payments.
  • 783: Expedition of Staurakios
    Staurakios (eunuch)
    Staurakios was a Byzantine eunuch official, who rose to be one of the most important and influential associates of Byzantine empress Irene of Athens . He effectively acted as chief minister during her regency for her young son, Emperor Constantine VI Staurakios (or Stauracius) (died on June 3,...

     against the Sclaviniae of Greece.
  • 791–792 and 796: Campaigns against the Bulgarians under Constantine VI end in defeat at the Battle of Marcellae.
  • 797–798: Large-scale invasion by Harun al-Rashid
    Harun al-Rashid
    Hārūn al-Rashīd was the fifth Arab Abbasid Caliph in Iraq. He was born in Rey, Iran, close to modern Tehran. His birth date remains a point of discussion, though, as various sources give the dates from 763 to 766)....

     leads to the resumption of annual payments to the Caliphate in return for peace.

9th century

  • 803–809: War with the Abbasids, resulting from Nikephoros I
    Nikephoros I
    Nikephoros I or Nicephorus I, Logothetes or Genikos was Byzantine emperor from 802 to 811, when he was killed in the Battle of Pliska....

    's cessation of annual tribute payments. The Arabs under Harun al-Rashid
    Harun al-Rashid
    Hārūn al-Rashīd was the fifth Arab Abbasid Caliph in Iraq. He was born in Rey, Iran, close to modern Tehran. His birth date remains a point of discussion, though, as various sources give the dates from 763 to 766)....

     achieved significant early successes, but the outbreak of a revolt in Khorasan
    Greater Khorasan
    Greater Khorasan or Ancient Khorasan is a historical region of Greater Iran mentioned in sources from Sassanid and Islamic eras which "frequently" had a denotation wider than current three provinces of Khorasan in Iran...

     facilitated a Byzantine counter-offensive in 807–809. A truce in 809 restored the territorial status quo.
  • 808–817: Wars with the Bulgars, beginning with the Bulgarian capture of Sofia
    Siege of Serdica (809)
    The Siege of Serdica took place in the spring of 809 at modern Sofia, Bulgaria. As a result, the city was permanently included in the Bulgarian State.- Origins of the conflict :...

    . A large-scale retaliatory campaign ended in the disastrous battle of Pliska
    Battle of Pliska
    The Battle of Pliska or Battle of Vărbitsa Pass was a series of battles between troops, gathered from all parts of the Byzantine Empire, led by the Emperor Nicephorus I Genik, and Bulgaria, governed by Khan Krum...

     (811), following which Krum of Bulgaria
    Krum of Bulgaria
    Krum the Horrible was Khan of Bulgaria, from after 796, but before 803, to 814 AD. During his reign the Bulgarian territory doubled in size, spreading from the middle Danube to the Dnieper and from Odrin to the Tatra Mountains. His able and energetic rule brought law and order to Bulgaria and...

     raided Eastern Thrace and secured a major victory at Versinikia
    Battle of Versinikia
    The Battle of Versinikia was fought in 813 between the Byzantine Empire and the Bulgarian Empire, near the city of Adrianople in contemporary Turkey....

    . Following his death in 814, Leo V the Armenian
    Leo V the Armenian
    Leo V the Armenian was emperor of the Byzantine Empire from 813 to 820. A senior general, he forced his predecessor, Michael I Rangabe, to abdicate and assumed the throne. He ended the decade-long war with the Bulgars, and initiated the second period of Byzantine Iconoclasm...

     defeated the Bulgars at Mesembria and secured a 30-year peace.
  • 827–902: 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,...

    .
  • 830–841: War with the Abbasids, with large-scale invasions launched by caliphs al-Ma'mun
    Al-Ma'mun
    Abū Jaʿfar Abdullāh al-Māʾmūn ibn Harūn was an Abbasid caliph who reigned from 813 until his death in 833...

     and al-Mu'tasim
    Al-Mu'tasim
    Abu Ishaq 'Abbas al-Mu'tasim ibn Harun was an Abbasid caliph . He succeeded his half-brother al-Ma'mun...

    . Despite a crushing defeat at the Battle of Dazimon and the sack of Amorium
    Sack of Amorium
    The Sack of Amorium by the Abbasid Caliphate in mid-August 838 was one of the major events in the long history of the Byzantine–Arab Wars. The Abbasid campaign was led personally by the Caliph al-Mu'tasim , in retaliation to a virtually unopposed expedition launched by the Byzantine emperor...

     in 838, Emperor Theophilos
    Theophilos (emperor)
    Theophilos was the Byzantine emperor from 829 until his death in 842. He was the second emperor of the Phrygian dynasty, and the last emperor supporting iconoclasm...

     was able to conclude a truce in 841 without territorial losses, although raids by the Muslim border emirates continued.
  • 830s: Rus' raid
    Paphlagonian expedition of the Rus'
    The Paphlagonian expedition of the Rus is documented in the Life of St. George of Amastris. This hagiographic work describes the Rus' as "the people known to everyone for their barbarity, ferocity, and cruelty". According to the text, they attacked Propontis before turning east and raiding...

     in Paphlagonia
    Paphlagonia
    Paphlagonia was an ancient area on the Black Sea coast of north central Anatolia, situated between Bithynia to the west and Pontus to the east, and separated from Phrygia by a prolongation to the east of the Bithynian Olympus...

    .
  • ca. 844–878: Wars with the Paulicians of Tephrike end with the destruction of the Paulician state and its incorporation into the Empire.
  • 851–863: War with the Abbasids and their clients. Successful Byzantine raids in Syria, Mesopotamia and Egypt are checked by a series of Muslim invasions of Anatolia
    Anatolia
    Anatolia is a geographic and historical term denoting the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey...

     in 860. Another invasion in 863 sees the complete annihilation of the Muslim army at the Battle of Lalakaon.
  • 860: Rus' raid against Constantinople.
  • 852, 855–856: Short wars with Bulgaria, ending in the recovery of several cities in northern Thrace.
  • 871–885: Campaigns led by 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...

     in person against northern Mesopotamia (871–873) are followed by a series of expeditions against the Muslims in 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,...

     and Southern Italy. The final loss of Sicily could not be averted, but the Arabs are driven from Southern Italy and 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....

    , laying the foundations of the Catepanate of Italy.
  • 889–897: War with Bulgaria under Tsar Simeon
    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...

     erupts over trade rights. It ends with a Bulgarian victory after 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...

    . The Byzantines agree to pay tribute and restore the market for Bulgarian goods to Constantinople.

10th century

  • 907: Rus' raid against Constantinople.
  • 913–927: War with Bulgaria under Tsar Simeon
    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...

    .
  • 926–944: Byzantine offensive in the East under 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...

    , fall of Melitene and Theodosiopolis.
  • 941: Rus' raid against Constantinople.
  • 948–962: Constant large-scale raids and counter-raids along the Byzantine-Arab border, chiefly against the Hamdanid Emir of Aleppo, Sayf al-Daula
    Sayf al-Daula
    Ali ibn Abi al-Hayja 'Abd Allah ibn Hamdan ibn al-Harith Sayf al-Dawla al-Taghlibi , more commonly known simply by his laqab of Sayf al-Dawla , was the ruler of northern Syria and the brother of al-Hasan ibn Hamdan , the founder and the most prominent prince of the Arab Hamdanid dynasty from...

    .
  • 961–962: Huge amphibious expedition against the Emirate of Crete
    Emirate of Crete
    The Emirate of Crete was a Muslim state that existed on the Mediterranean island of Crete from the late 820s to the Byzantine reconquest of the island in 961....

     under Nikephoros Phokas
    Nikephoros II
    Nikephoros II Phokas was a Byzantine Emperor whose brilliant military exploits contributed to the resurgence of Byzantine Empire in the tenth century.-Early exploits:...

    , resulting in the recapture of the island.
  • 964–975: Sustained Byzantine offensive in the East, under Nikephoros II Phokas 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 :...

    , leads to the conquest of Cilicia
    Cilicia
    In antiquity, Cilicia was the south coastal region of Asia Minor, south of the central Anatolian plateau. It existed as a political entity from Hittite times into the Byzantine empire...

    , 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...

    , much of western Armenia and northern Syria. Aleppo becomes an imperial vassal.
  • 970–971: War against the 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....

     in Bulgaria.
  • 976-1018: War against Bulgaria led by the Cometopuli dynasty.
  • 986: Battle of the Gates of Trajan
    Battle of the Gates of Trajan
    The Battle of the Gates of Trajan was a battle between Byzantine and Bulgarian forces in the year 986. It took place in the pass of the same name, modern Trayanovi Vrata, in Sofia Province, Bulgaria. It was the largest defeat of the Byzantines under Emperor Basil II...

     major defeat of 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...

     at the hands of Samuel of Bulgaria
  • 992–999: War with the Fatimids over 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...

    . Initial Fatimid victories over Michael Bourtzes
    Michael Bourtzes
    Michael Bourtzes was a leading Byzantine general of the latter 10th century. He became notable for his capture of Antioch in 969, but fell into disgrace by the Emperor Nikephoros II Phokas . Resentful at the slight, Bourtzes joined forces with the conspirators who assassinated Phokas a few weeks...

     lead to the direct intervention of 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...

    , who clears northern Syria of the Fatimids and secures a ten-year truce.

11th century

  • 1014: Battle of Kleidion
    Battle of Kleidion
    The Battle of Kleidion took place on July 29, 1014 between the Bulgarian Empire and the Byzantine Empire...

     decisive victory over the Bulgarians under Samuel.
  • 1018: The Byzantines conquer Bulgaria.
  • 1024: Rus' fleet raid into the Aegean.
  • 1027: Pecheneg raid in the Balkans is defeated by Constantine Diogenes
    Constantine Diogenes
    Constantine Diogenes was a prominent Byzantine Greek general of the early 11th century, active in the Balkans.Constantine Diogenes is the first notable member of the noble Cappadocian Diogenes family, which played an important role in 11th-century Byzantium. Constantine began his career as a...

    .
  • 1030–1032: War against the Muslims in Syria. Emperor Romanos III
    Romanos III
    Romanos III Argyros was Byzantine emperor from 15 November 1028 until his death.-Biography:...

     is defeated, but George Maniakes captured 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:...

    .
  • 1032–1036: Operations against renewed Muslim piratical raids. The Byzantine fleet, including a large Varangian contingent, is victorious.
  • 1038–1043: Campaigns of George Maniakes in Sicily and Southern Italy, until his own revolt against Constantine IX.
  • 1040-1041: Uprising of Peter Delyan in Bulgaria failed.
  • 1043: Rus' attack against Constantinople.
  • 1048: First confrontation between Byzantines and the Seljuk Turks results in an indecisive battle at Kapetron.
  • 1081–1085: War against the first Norman
    Normans
    The Normans were the people who gave their name to Normandy, a region in northern France. They were descended from Norse Viking conquerors of the territory and the native population of Frankish and Gallo-Roman stock...

     invasion of the Balkans. Early Byzantine defeat at Dyrrhachium
    Battle of Dyrrhachium (1081)
    The Battle of Dyrrhachium took place on October 18, 1081 between the Byzantine Empire, led by the Emperor Alexius I Comnenus, and the Normans of southern Italy under Robert Guiscard, Duke of Apulia and Calabria...

     (1081), but the successful defence of Thessaly
    Thessaly
    Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....

     and naval victories with Venetian aid led to the eventual abandonment of the invasion after the death of Robert Guiscard
    Robert Guiscard
    Robert d'Hauteville, known as Guiscard, Duke of Apulia and Calabria, from Latin Viscardus and Old French Viscart, often rendered the Resourceful, the Cunning, the Wily, the Fox, or the Weasel was a Norman adventurer conspicuous in the conquest of southern Italy and Sicily...

    .
  • 1081–1095: Seljuk campaigns in the Aegean
    Seljuk Campaigns in the Aegean
    The Seljuk campaigns in the Aegean refer to the ground and naval actions conducted by the Seljuk Turks, chiefly under the leadership of Tzachas of Smyrna against the Byzantine Empire. A fierce opponent, Chaka Bey won the first Turkish naval victory against Byzantium and captured a few Aegean...

    : Tzachas of Smyrna launches fleets in the Aegean and seizes a number of islands, but is eventually defeated by the Byzantines.
  • 1086–1091: Uprising of the Bogomils in the Balkans, aided by the Cumans
    Cumans
    The Cumans were Turkic nomadic people comprising the western branch of the Cuman-Kipchak confederation. After Mongol invasion , they decided to seek asylum in Hungary, and subsequently to Bulgaria...

     and Pechenegs. Early Byzantine defeat at Dristra (1086), but the Pechenegs were decisively defeated at the Battle of Levounion
    Battle of Levounion
    The Battle of Levounion was the first decisive Byzantine victory of the Komnenian restoration. On April 29, 1091, an invading force of Pechenegs was heavily defeated by the combined forces of the Byzantine Empire under Alexios I Komnenos and his Cuman allies....

     in 1091.
  • 1096–1097: The First Crusade
    First Crusade
    The First Crusade was a military expedition by Western Christianity to regain the Holy Lands taken in the Muslim conquest of the Levant, ultimately resulting in the recapture of Jerusalem...

     passed through Byzantium on its way to the Holy Land
    Holy Land
    The Holy Land is a term which in Judaism refers to the Kingdom of Israel as defined in the Tanakh. For Jews, the Land's identifiction of being Holy is defined in Judaism by its differentiation from other lands by virtue of the practice of Judaism often possible only in the Land of Israel...

    . Recovery
    Siege of Nicaea
    The Siege of Nicaea took place from May 14 to June 19, 1097, during the First Crusade.-Background:Nicaea , located on the eastern shore of Lake İznik, had been captured from the Byzantine Empire by the Seljuk Turks in 1081, and formed the capital of the Sultanate of Rüm...

     of Nicaea with the Crusaders' aid, and subsequent reconquest of much of western Asia Minor by John Doukas
    John Doukas (megas doux)
    John Doukas was a member of the Doukas family, a relative of the Emperor Alexios I Komnenos and a senior military figure of his reign. As governor of Dyrrhachium he secured the imperial possessions in the western Balkans against the Serbs...

    .
  • 1091–1108: Renewed war with the Normans under Bohemond I of Antioch, both in Cilicia
    Cilicia
    In antiquity, Cilicia was the south coastal region of Asia Minor, south of the central Anatolian plateau. It existed as a political entity from Hittite times into the Byzantine empire...

     against the Principality of Antioch
    Principality of Antioch
    The Principality of Antioch, including parts of modern-day Turkey and Syria, was one of the crusader states created during the First Crusade.-Foundation:...

     and in Epirus
    Epirus
    The name Epirus, from the Greek "Ήπειρος" meaning continent may refer to:-Geographical:* Epirus - a historical and geographical region of the southwestern Balkans, straddling modern Greece and Albania...

    . The war ended with Bohemond recognizing Byzantine suzerainty over Antioch.

12th century

  • 1110–1117: Renewed war with the Seljuk Turks. Initial Turkish advances are reversed in a treaty concluded after the Byzantine victory at the Battle of Philomelion
    Battle of Philomelion
    The Battle of Philomelion of 1117 occurred in the course of the Byzantine-Seljuq wars.Following the success of the First Crusade and the failure of the Crusade of 1101, the Turks resumed their offensive operations against the Byzantines...

    .
  • 1122–1126: War with Venice over the non-renewal of trading privileges by John II Komnenos
    John II Komnenos
    John II Komnenos was Byzantine Emperor from 1118 to 1143. Also known as Kaloïōannēs , he was the eldest son of Emperor Alexios I Komnenos and Irene Doukaina...

    . The Venetian fleet ravaged the coasts of Greece, forcing the emperor to back down.
  • 1134–1138: Conquest of Armenian Cilicia
    Armenian Kingdom of Cilicia
    The Armenian Kingdom of Cilicia , also known as the Cilician Armenia, Kingdom of Cilician Armenia or New Armenia, was an independent principality formed during the High Middle Ages by Armenian refugees fleeing the Seljuk invasion of Armenia...

     and vassalization of the Principality of Antioch.
  • 1147–1148: Roger II of Sicily
    Roger II of Sicily
    Roger II was King of Sicily, son of Roger I of Sicily and successor to his brother Simon. He began his rule as Count of Sicily in 1105, later became Duke of Apulia and Calabria , then King of Sicily...

     attacks and occupies Euboea
    Euboea
    Euboea is the second largest Greek island in area and population, after Crete. The narrow Euripus Strait separates it from Boeotia in mainland Greece. In general outline it is a long and narrow, seahorse-shaped island; it is about long, and varies in breadth from to...

    , Thebes
    Thebes, Greece
    Thebes is a city in Greece, situated to the north of the Cithaeron range, which divides Boeotia from Attica, and on the southern edge of the Boeotian plain. It played an important role in Greek myth, as the site of the stories of Cadmus, Oedipus, Dionysus and others...

     and 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...

  • 1149–1152: Serbian rebellion is subdued by Manuel I Komnenos
    Manuel I Komnenos
    Manuel I Komnenos was a Byzantine Emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean....

    . Manuel also defeats a Hungarian
    Kingdom of Hungary
    The Kingdom of Hungary comprised present-day Hungary, Slovakia and Croatia , Transylvania , Carpatho Ruthenia , Vojvodina , Burgenland , and other smaller territories surrounding present-day Hungary's borders...

     army that came to aid the Serbs.
  • 1155–1156: War with Hungary
    Kingdom of Hungary
    The Kingdom of Hungary comprised present-day Hungary, Slovakia and Croatia , Transylvania , Carpatho Ruthenia , Vojvodina , Burgenland , and other smaller territories surrounding present-day Hungary's borders...

     ends in Byzantine victory.
  • 1155–1158: Italian expedition of Manuel I Komnenos
    Manuel I Komnenos
    Manuel I Komnenos was a Byzantine Emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean....

    . Despite initial success, the expedition fails.
  • 1158–1161: Expeditions against the Seljuks
  • 1163–1168: War with Hungary
    Kingdom of Hungary
    The Kingdom of Hungary comprised present-day Hungary, Slovakia and Croatia , Transylvania , Carpatho Ruthenia , Vojvodina , Burgenland , and other smaller territories surrounding present-day Hungary's borders...

    . It ends in a Byzantine victory with the Battle of Sirmium
    Battle of Sirmium
    The Battle of Sirmium or Battle of Zemun was fought on July 8, 1167 between the Byzantine Empire , and the Kingdom of Hungary...

    , after which the Empire regains most of the Western Balkans.
  • 1169: Joint Byzantine-Crusader raid on 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:...

     fails.
  • 1171–1177: War with Venice. Initial Venetian moves in the Aegean checked by the Byzantine fleet. Truce concluded in 1177, peace treaty in 1183.
  • 1176–1180: War with the Seljuks. Initial campaign against ends in the defeat at the Battle of Myriokephalon
    Battle of Myriokephalon
    The Battle of Myriokephalon, also known as the ', or in Turkish, was a battle between the Byzantine Empire and the Seljuk Turks in Phrygia on September 17, 1176. The battle was a strategic reverse for the Byzantine forces, who were ambushed when moving through a mountain pass...

    , resulting in the gradual loss of territory in Anatolia.
  • 1185: Norman invasion of the Balkans. The Normans take Dyrrhachium and Thessalonica before being defeated.
  • 1185: Uprising of Asen and Peter. Reestablishment of the Bulgarian Empire
    Second Bulgarian Empire
    The Second Bulgarian Empire was a medieval Bulgarian state which existed between 1185 and 1396 . A successor of the First Bulgarian Empire, it reached the peak of its power under Kaloyan and Ivan Asen II before gradually being conquered by the Ottomans in the late 14th-early 15th century...

    .

13th century

  • 1203–1204: Fourth Crusade
    Fourth Crusade
    The Fourth Crusade was originally intended to conquer Muslim-controlled Jerusalem by means of an invasion through Egypt. Instead, in April 1204, the Crusaders of Western Europe invaded and conquered the Christian city of Constantinople, capital of the Eastern Roman Empire...

    , culminating in the capture
    Siege of Constantinople (1204)
    The Siege of Constantinople occurred in 1204; it destroyed parts of the capital of the Byzantine Empire as it was confiscated by Western European and Venetian Crusaders...

     of Constantinople by the Crusaders.
  • 1204–1214: Wars between the Empire of Nicaea
    Empire of Nicaea
    The Empire of Nicaea was the largest of the three Byzantine Greek successor states founded by the aristocracy of the Byzantine Empire that fled after Constantinople was occupied by Western European and Venetian forces during the Fourth Crusade...

     and the Latin Empire
    Latin Empire
    The Latin Empire or Latin Empire of Constantinople is the name given by historians to the feudal Crusader state founded by the leaders of the Fourth Crusade on lands captured from the Byzantine Empire. It was established after the capture of Constantinople in 1204 and lasted until 1261...

    . Ended by the Treaty of Nymphaeum
    Treaty of Nymphaeum (1214)
    The Treaty of Nymphaeum was a peace treaty signed in December of 1214 between the Nicaean Empire, successor state of the Byzantine Empire, and the Latin Empire, which was established in the aftermath of the Fourth Crusade of 1204.-Background:...

    .
  • 1215–1227: Expansion of Epirus
    Despotate of Epirus
    The Despotate or Principality of Epirus was one of the Byzantine Greek successor states of the Byzantine Empire that emerged in the aftermath of the Fourth Crusade in 1204. It claimed to be the legitimate successor of the Byzantine Empire, along with the Empire of Nicaea, and the Empire of Trebizond...

     under Theodore Komnenos Doukas
    Theodore Komnenos Doukas
    Theodore Komnenos Doukas was ruler of Epirus from 1215 to 1230 and of Thessalonica from 1224 to 1230.-Life:...

    . Epirote forces conquer the Kingdom of Thessalonica
    Kingdom of Thessalonica
    The Kingdom of Thessalonica was a short-lived Crusader State founded after the Fourth Crusade over the conquered Byzantine lands.- Background :...

     and much of Thrace from the Empire of Nicaea
    Empire of Nicaea
    The Empire of Nicaea was the largest of the three Byzantine Greek successor states founded by the aristocracy of the Byzantine Empire that fled after Constantinople was occupied by Western European and Venetian forces during the Fourth Crusade...

    . Theodore of Epirus is crowned emperor at Thessalonica.
  • 1230: Theodore of Epirus invades Bulgaria
    Second Bulgarian Empire
    The Second Bulgarian Empire was a medieval Bulgarian state which existed between 1185 and 1396 . A successor of the First Bulgarian Empire, it reached the peak of its power under Kaloyan and Ivan Asen II before gradually being conquered by the Ottomans in the late 14th-early 15th century...

     but is defeated and captured at the Battle of Klokotnitsa
    Battle of Klokotnitsa
    The Battle of Klokotnitsa occurred on 9 March 1230 near the village of Klokotnitsa . As a result, the Second Bulgarian Empire emerged once again as the most powerful state in Eastern Europe and the power of the Despotate of Epirus faded...

    .
  • 1235: Joint Nicaean-Bulgarian siege
    Siege of Constantinople (1235)
    The Siege of Constantinople was a joint Bulgarian-Nicaean siege on the capital of the Latin Empire. Latin emperor John of Brienne was besieged by the Nicaean emperor John III Doukas Vatatzes and Tsar Ivan Asen II of Bulgaria. The siege remained unsuccessful.-Prelude:After Robert of Courtenay died...

     of Constantinople fails
  • 1254–1256: Bulgaria attacks Nicaea after the death of John III Vatatzes, in an attempt to recover lost territory. Emperor Theodore II Laskaris
    Theodore II Laskaris
    Theodore II Doukas Laskaris or Ducas Lascaris was emperor of Nicaea, 1254–1258.-Life:Theodore II Doukas Laskaris was the only son of Emperor John III Doukas Vatatzes and Eirene Laskarina, the daughter of Emperor Theodore I Laskaris and Anna Angelina, a daughter of Emperor Alexios III Angelos and...

     campaigns against the Bulgarians and drives them back.
  • 1257–1260: War between Nicaea and Epirus. After the Battle of Pelagonia
    Battle of Pelagonia
    The Battle of Pelagonia took place in September of 1259, between the Empire of Nicaea and the Despotate of Epirus, Sicily and the Principality of Achaea...

     (1259), most of Epirus and Thessaly fall to the Nicaeans, but the conquest proves temporary.
  • 1260: Unsuccessful siege
    Siege of Constantinople (1260)
    The Siege of Constantinople in 1260 was the failed attempt by the Nicaean Empire, the major remnant of the fractured Byzantine Empire, to retake Constantinople from the Latin Empire and re-establish the City as the political, cultural and spiritual capital of a revived Byzantine...

     of Constantinople by the Empire of Nicaea.
  • 1263–1266: Campaign in the Morea
    Morea
    The Morea was the name of the Peloponnese peninsula in southern Greece during the Middle Ages and the early modern period. It also referred to a Byzantine province in the region, known as the Despotate of Morea.-Origins of the name:...

     against the Principality of Achaea
    Principality of Achaea
    The Principality of Achaea or of the Morea was one of the three vassal states of the Latin Empire which replaced the Byzantine Empire after the capture of Constantinople during the Fourth Crusade. It became a vassal of the Kingdom of Thessalonica, along with the Duchy of Athens, until Thessalonica...

    . Initial successes undone by defeats in the battles of Prinitza
    Battle of Prinitza
    The Battle of Prinitza was fought in 1263 between the forces of the Byzantine Empire, marching to capture Andravida, the capital of the Latin Principality of Achaea, and a small Achaean force...

     and Makryplagi
    Battle of Makryplagi
    The Battle of Makryplagi or Makry Plagi was fought between the forces of the Byzantine Empire, and the Latin Principality of Achaea. The Byzantines had been weakened and demoralized by the defection of their numerous Turkish mercenaries to the Achaeans...

    .
  • ca. 1272–1280: Campaigns of Licario
    Licario
    Licario, called Ikarios by the Greek chroniclers, was a Byzantine admiral of Italian origin in the 13th century. At odds with the barons of his native Euboea, he entered the service of the Byzantine emperor Michael VIII Palaiologos , and reconquered many of the Aegean islands for him in the 1270s...

     recover Euboea
    Euboea
    Euboea is the second largest Greek island in area and population, after Crete. The narrow Euripus Strait separates it from Boeotia in mainland Greece. In general outline it is a long and narrow, seahorse-shaped island; it is about long, and varies in breadth from to...

     and many Aegean islands for the Empire.
  • sometime in 1273–1275: Large-scale campaign against John I Doukas
    John I Doukas
    John I Doukas was ruler of Thessaly from c. 1268 to his death in 1289....

     of Thessaly. The Byzantine army is defeated at Neopatras
    Battle of Neopatras
    The Battle of Neopatras was fought in the early 1270s between a Byzantine army besieging the city of Neopatras and the forces of John I Doukas, ruler of Thessaly. The battle was a rout for the Byzantine army, which was caught by surprise and defeated by a much smaller but more disciplined...

    , but the navy scores a major victory at Demetrias
    Battle of Demetrias
    The Battle of Demetrias was a sea engagement fought at Demetrias in Greece in the early 1270s between a Byzantine fleet and the assembled forces of the Latin barons of Euboea and Crete...

    .
  • 1274–1275: Byzantine offensive against Angevin
    Capetian House of Anjou
    The Capetian House of Anjou, also known as the House of Anjou-Sicily and House of Anjou-Naples, was a royal house and cadet branch of the direct House of Capet. Founded by Charles I of Sicily, a son of Louis VIII of France, the Capetian king first ruled the Kingdom of Sicily during the 13th century...

     holdings in Albania
    Kingdom of Albania
    The Kingdom of Albania, or Regnum Albaniae, was established by Charles of Anjou in the Albanian territory he conquered from the Despotate of Epirus in 1271. He took the title of "King of Albania" in February 1272. The kingdom extended from the region of Durrës south along the coast to Butrint...

     drive the Angevin forces out of most of the country, although repeated assaults on their last two strongholds of Dyrrhachium and Valona
    Vlorë
    Vlorë is one of the biggest towns and the second largest port city of Albania, after Durrës, with a population of about 94,000 . It is the city where the Albanian Declaration of Independence was proclaimed on November 28, 1912...

     fail.
  • 1279: Unsuccessful campaigns against Bulgaria, defeat at Devina.
  • 1280–1281: Angevin
    Capetian House of Anjou
    The Capetian House of Anjou, also known as the House of Anjou-Sicily and House of Anjou-Naples, was a royal house and cadet branch of the direct House of Capet. Founded by Charles I of Sicily, a son of Louis VIII of France, the Capetian king first ruled the Kingdom of Sicily during the 13th century...

     offensive in Albania is repulsed at Berat
    Siege of Berat (1280–1281)
    The Siege of Berat in Albania by the forces of the Angevin Kingdom of Sicily against the Byzantine garrison of the city took place in 1280–1281. Berat was a strategically important fortress, whose possession would allow the Angevins access to the heartlands of the Byzantine Empire...

    , and most of Albania is retaken.
  • 1294–1302: Byzantine–Venetian War
    Byzantine–Venetian War (1294–1302)
    The Byzantine–Venetian War of 1294–1302 was an off-shoot of the first Venetian–Genoese War of 1294–1299....

    , fought mostly in the Aegean and Marmara seas.

14th century

  • 1302–1305: War with the Ottoman Turks
    Ottoman Turks
    The Ottoman Turks were the Turkish-speaking population of the Ottoman Empire who formed the base of the state's military and ruling classes. Reliable information about the early history of Ottoman Turks is scarce, but they take their Turkish name, Osmanlı , from the house of Osman I The Ottoman...

    . After a defeat in the Battle of Bapheus
    Battle of Bapheus
    The Battle of Bapheus occurred on 27 July 1302 between an Ottoman army under Osman I and a Byzantine armyunder George Mouzalon. The battle ended in a crucial Ottoman victory, cementing the Ottoman state and heralding the final capture of Byzantine Bithynia by the Turks...

    , the Byzantines hire the Catalan Company
    Catalan Company
    The Catalan Company of the East , officially the Magnas Societas Catalanorum, sometimes called the Grand Company and widely known as the Catalan Company, was a free company of mercenaries founded by Roger de Flor in the early 14th-century...

    . After a series of victories against the Turks, the Catalans turn against Byzantium following the murder of their leader.
  • 1304–1305: The Bulgarians attack Byzantium, and manage to recover the port cities on the Black Sea coast.
  • 1326–1338: Gradual capture of the remaining Byzantine cities in northwestern Anatolia by the Ottomans. Defeats of the Byzantines in battles at Pelekanon
    Battle of Pelekanon
    The Battle of Pelekanon also known by its Latinised form Battle of Pelecanum occurred on June 10-11, 1329 between an expeditionary force by the Byzantines led by Andronicus III and an Ottoman army led by Orhan I...

     and Philokrene.
  • 1332: Battle of Rusokastro
    Battle of Rusokastro
    The Battle of Rusokastro occurred on July 18, 1332 near the village of Rusokastro, Bulgaria between the armies of the Bulgarian and Byzantine Empires. The result was a Bulgarian victory.-Origins of the conflict:...

    , the last major battle of the Byzantine–Bulgarian Wars ends with a Bulgarian victory.
  • 1333–1340: Andronikos III Palaiologos
    Andronikos III Palaiologos
    Andronikos III Palaiologos, Latinized as Andronicus III Palaeologus was Byzantine emperor from 1328 to 1341, after being rival emperor since 1321. Andronikos III was the son of Michael IX Palaiologos and Rita of Armenia...

     recovers Epirus and Thessaly.
  • 1334: Serbian invasion of Macedonia led by Syrgiannes Palaiologos.
  • 1343–1348: Taking advantage of the ongoing Byzantine civil war
    Byzantine civil war of 1341–1347
    The Byzantine civil war of 1341–1347 was a conflict between supporters of designated regent John VI Kantakouzenos and guardians acting for John V Palaiologos, Emperor Andronikos III's nine-year-old son, in the persons of the Empress-dowager Anna of Savoy, the Patriarch of Constantinople John XIV...

    , Serbian ruler Stefan Dushan conquers Albania, Macedonia and Epirus
  • 1348–1349: Byzantine–Genoese War
    Byzantine–Genoese War (1348–1349)
    The Byzantine–Genoese War of 1348–1349 was fought over control over custom dues through the Bosphorus. The Byzantines attempted to break Byzantium's dependence for food and maritime commerce on the Genoese merchants of Galata, and also to rebuild their own naval power...

    , fought over control of custom duties and tariffs on the Bosporus.

15th century

  • 1422: Unsuccessful Ottoman
    Ottoman Empire
    The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

     siege
    Siege of Constantinople (1422)
    The first full-scale Ottoman Siege of Constantinople took place in 1422 as a result of the Byzantine Emperor Manuel II's attempts to interfere in the succession of Ottoman Sultans, after the death of Mehmed I in 1421...

     of Constantinople.
  • 1453: Final Ottoman
    Ottoman Empire
    The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

     siege and fall
    Fall of Constantinople
    The Fall of Constantinople was the capture of the capital of the Byzantine Empire, which occurred after a siege by the Ottoman Empire, under the command of Ottoman Sultan Mehmed II, against the defending army commanded by Byzantine Emperor Constantine XI...

     of Constantinople to Mehmed II
    Mehmed II
    Mehmed II , was Sultan of the Ottoman Empire for a short time from 1444 to September 1446, and later from...

    .
  • 1460: Mehmed II
    Mehmed II
    Mehmed II , was Sultan of the Ottoman Empire for a short time from 1444 to September 1446, and later from...

    's conquest of the Despotate of the Morea.
  • 1461: Mehmed II
    Mehmed II
    Mehmed II , was Sultan of the Ottoman Empire for a short time from 1444 to September 1446, and later from...

    's conquest of the Empire of Trebizond
    Empire of Trebizond
    The Empire of Trebizond, founded in April 1204, was one of three Byzantine successor states of the Byzantine Empire. However, the creation of the Empire of Trebizond was not directly related to the capture of Constantinople by the Fourth Crusade, rather it had broken away from the Byzantine Empire...

    , the last Byzantine Greek successor state.
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