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Reign of Manuel I Komnenos

For 37 years Manuel I, grandson of Alexios I, pursued ambitions on every frontier of Byzantium: he let the Second Crusade through his lands, invaded Norman Italy, made the prince of Antioch, Hungary and Serbia acknowledge his overlordship and joined the Kingdom of Jerusalem in an attack on Egypt. His defeat at Myriokephalon (1176) ended his hopes in Anatolia, and historians still debate how much his costly policies strengthened the empire.

Date
8 April 1143 – 24 September 1180exact date · duration: ≈ 37 yearsDate in the Julian calendar
Place
Constantinopletoday: Istanbul, Turkey · Balkans and Anatolia
Participants
Manuel I Komnenos, Byzantine Empire
Threads
Balkans and Anatolia (11th–12th c.)
Also known as
Siege of Damietta (1169); Battle of Sirmium; Битва при Сирмии; Arrest of the Venetians (1171)

John II, dying in Cilicia of a wound from a hunting accident, chose Manuel as his successor; after John's death on 8 April 1143 the army acclaimed him, and in mid-August he entered Constantinople and was crowned by the new patriarch, Michael II Kourkouas. In 1147 the armies of the Second Crusade passed through the empire — the Germans pillaging as they went — and Manuel made a truce with the Turks, while Roger II of Sicily seized Corfu and plundered Thebes and Corinth. Manuel recovered Corfu in 1149 and in 1155 carried the war into Italy, where Bari opened its gates to his army; but after a defeat at Brindisi in 1156 the Byzantines left Italy in 1158, never to return.

Manuel was more successful in the East and in the Balkans. Prince Raynald of Châtillon submitted to him in a humiliating ceremony, and on 12 April 1159 the emperor rode in triumph through Antioch. In 1167 his army defeated the Hungarians at Sirmium, and the peace gave Byzantium Syrmia, Bosnia and Dalmatia; the Hungarian heir Béla was brought up at Manuel's court. In 1172 the Serbian grand župan Stefan Nemanja had to beg his pardon. King Amalric of Jerusalem married Manuel's grandniece Maria, and in 1169 a Byzantine fleet joined him against Egypt, but the siege of Damietta, begun on 27 October, failed. On 12 March 1171 Manuel ordered the arrest of all Venetians in the empire and the confiscation of their goods. In 1176 his campaign against Konya ended in defeat at Myriokephalon.

Manuel died on 24 September 1180, soon after betrothing his young son Alexios II to a daughter of the king of France; the unpopular regency that followed was overthrown in a violent coup. Historians disagree over his reign: Paul Magdalino observes that Manuel used the assets he inherited to the full, but "it is not so clear how much he added to them". His Italian ventures alone probably cost the treasury more than 2.16 million hyperpyra (some 30,000 pounds of gold) for limited gains (J. Birkenmeier, W. Treadgold).

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Sources

  1. Wikipedia (English): Manuel I Komnenos
  2. Wikipedia (English): Stefan Nemanja
  3. Wikipedia (Russian): Мануил I Комнин
  4. Magdalino P. The Empire of Manuel I Komnenos, 1143–1180. — Cambridge: Cambridge University Press, 1993.
  5. Birkenmeier J. W. The Development of the Komnenian Army: 1081–1180. — Leiden: Brill, 2002.
  6. Treadgold W. A History of the Byzantine State and Society. — Stanford: Stanford University Press, 1997.
  7. Choniates N. O City of Byzantium: Annals of Niketas Choniatēs / tr. H. J. Magoulias. — Detroit: Wayne State University Press, 1984.