Isaac II Angelus

Isaac II Angelus, Byzantine emperor 1185-1195, and again 1203-1204, was the successor of Andronicus I.

He inaugurated his reign by a decisive victory over the Normans in Sicily, but elsewhere his policy was less successful. He failed in an attempt to recover Cyprus from the rebellious noble Isaac Comnenos thanks to Norman interference and by the oppressiveness of his taxes drove the Bulgarians and Vlachs to revolt (1186). In 1187 Alexis Branas, the general sent against the rebels, treacherously turned his arms against his master, and attempted to seize Constantinople, but was defeated and slain. The emperor's attention was next demanded in the east, where several claimants to the throne successively rose and fell. In 1189 Frederick I, Holy Roman Emperor sought and obtained leave to lead his troops on the Third Crusade through the Byzantine Empire; but he had no sooner crossed the border than Isaac, who had meanwhile sought an alliance with Saladin, threw every impediment in his way, and was only compelled by force of arms to fulfil his engagements.

The next five years were disturbed by fresh rebellions of the Vlachs, against whom Isaac led several expeditions in person. During one of these, in 1195, Alexius, the emperor's brother, taking advantage of the latter's absence from camp on a hunting expedition, proclaimed himself emperor, and was readily recognised by the soldiers. Isaac was blinded and imprisoned in Constantinople. After eight years he was raised for six months from his dungeon to his throne once more after the arrival of the knights of the Fourth Crusade. But both mind and body had been enfeebled by captivity, and his son Alexius IV was the actual monarch. Isaac died in 1204, shortly after the usurpation of his general, Mourzouphles. He was one of the weakest and most vicious princes that occupied the Byzantine throne. Surrounded by a crowd of slaves, mistresses and flatterers, he permitted his empire to be administered by unworthy favourites, while he squandered the money wrung from his provinces on costly buildings and expensive gifts to the churches of his metropolis.

This is a list of Byzantine Emperors.

Note: It is difficult to determine when exactly the Roman Empire ends and the Byzantine Empire begins; Diocletian split the Roman Empire into eastern and western halves for administrative purposes in 284. Candidates for the "first" Byzantine emperor include Constantine I (the first Christian emperor, who moved the capital to Constantinople), Valens (the Battle of Adrianople (378) provides one of the traditional cut-off events to mark the start of the medieval period), Arcadius (treating Theodosius I as the last emperor of a single Roman Empire), and Zeno I (as the last western emperor Romulus Augustus was deposed during his reign). Others date the beginning of the Empire even as late as Heraclius (who replaced the traditional Roman imperial title of "Augustus" with "Basileus", the Greek word for "Emperor", and discontinued the use of Latin by making Greek the official language). Numismatists note the monetary reforms of Anastasius I in 498, which used the Greek numbering system. Of course, the Byzantines themselves continued to think of their empire as "Roman" for over a millennium.


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Isaac II Angelus

Constantinian dynasty

Non-dynastic

Valentinian-Theodosian dynasty

Dynasty of Leo

Justinian dynasty

Non-dynastic

Heraclian dynasty

Non-dynastic

Isaurian dynasty

Non-dynastic

Amorian (or Phrygian) dynasty

Macedonian dynasty

Non-dynastic

Ducaian-Comnenan dynasty

Angelan dynasty

Lascaran dynasty (in exile in the Empire of Nicaea during the time of the Latin Empire)

Palaeologan Dynasty (restored at Constantinople)