Leo IV the Khazar
Leo IV the Khazar (Greek: Λέων Δ΄ ὁ Χάζαρος, Leōn IV ho Khazaros) (25 January 750 – 8 September 780) was Byzantine Emperor from 775 to 780 AD. He was born to Emperor Constantine V and Empress Tzitzak in 750. He was elevated to caesar the next year, in 751. When Constantine V died in September 775, while campaigning against the Bulgarians, Leo IV became senior emperor on 14 September 775. In 778 Leo raided Abbasid Syria, decisively defeating the Abbasid army outside of Germanicia. Leo died on 8 September 780, of tuberculosis. He was succeeded by his son Constantine VI, who was eventually overthrown by Leo's wife Irene, who installed herself as empress.
|Emperor of the Romans|
Illustration of Leo IV (left) and his son Constantine VI (right), based upon Byzantine coins minted bearing their images.
|Emperor of the Byzantine Empire|
|Junior||751 – 14 September 775|
|Senior||14 September 775 – 8 September 780|
|Born||25 January 750|
|Died||8 September 780 (aged 30)|
|Mother||Tzitzak (Irene of Khazaria)|
|Isaurian or Syrian dynasty|
|with Constantine V as co-emperor, 720–751|
|with Leo IV as co-emperor, 751–775|
|with Constantine VI as co-emperor, 776–780|
|under Irene as regent, 780–790, and with her as co-regent, 792–797|
|Irene as empress regnant||797–802|
Twenty Years' Anarchy
Leo IV was born in 750 AD, to Emperor Constantine V and his first wife, Empress Tzitzak. Because his mother was a Khazar, Leo was given the epithet 'the Khazar'. Leo was elevated to co-emperor in 751, while still an infant. Leo became emperor on 14 September 775, after Constantine V died while campaigning against the Bulgarian Empire.
Leo was by this point suffering from tuberculosis, which, combined with the infancy of his son, Constantine VI, gave two of Leo's half-brothers, the caesares Nikephoros and Christopher, hope of attaining the throne. These hopes were crushed when, in 776, Leo elevated Constantine to caesar, declaring him to be his successor. Shortly after this, Nikephoros and Christopher were discovered conspiring against Leo. Despite public opinion supporting the execution of both of them, Leo instead chose to pardon them, although he did exile several other plotters to Cherson.
Invasion of the AbbasidsEdit
Leo launched an invasion against the Abbasids in 778, invading Syria with about 100,000 men, made up of the armies of the multiple themes, including: The Opsikion Theme, led by Gregory; the Anatolic Theme, led by Artabasdos; the Armeniac Theme, led by Karisterotzes; the Bucellarian Theme, led by Tatzates; and the Thracesian Theme, led by Lachanodrakon. Lachanodrakon besieged Germanicia for a time, before he were bribed to raise the siege, and then began to raid the surrounding countryside. The Abbasids attacked Lachanodrakon while he was raiding, but were decisively defeated by several Byzantine armies. The Byzantine generals who led troops during this battle were given a triumphal entry when they returned to Constantinople. A number of Jacobites (adherents of the Syriac Orthodox Church) were taken from Syria and forcibly resettled in Thrace. The next year, in 779, Leo successfully repelled an attack by the Abbasids against Asia Minor.
Leo died of a violent fever, due his tuberculosis, on 8 September 780. He was succeeded by his son Constantine, with Leo's wife Irene as his regent. In 797, after Constantine had ruled for 17 years, Irene had him blinded, and became empress.
- Bury, J. B. (2015). A History of the Later Roman Empire. Cambridge University Press. ISBN 9781108083188.
- Finlay, George (2017). The Later Byzantine Empire. Merkaba Press. OCLC 1886829.
- Lawler, Jennifer (2011). Encyclopedia of the Byzantine Empire. McFarland. ISBN 978-0786466160.
- Melton, J. Gordon (2014). Faiths Across Time: 5,000 Years of Religious History [4 Volumes]: 5,000 Years of Religious History. ABC-CLIO. ISBN 9781610690263.
- Sophoulis, Panos (2011). Byzantium and Bulgaria, 775-831. Brill. ISBN 978-9004206953.
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Leo IV the KhazarBorn: 25 January 750 Died: 8 September 780
14 September 775 – 8 September 780