Isaac II

Isaac II

(Isaac Angelus) (ăn`jələs), d. 1204, Byzantine emperor (1185–95, 1203–4). The great-grandson of Alexius I, he was proclaimed emperor by the mob that had killed the unpopular Andronicus I. Isaac repulsed (1185) an invasion by the Normans under William II of Sicily but was unable to suppress the rebellious Bulgars. Corruption in public office continued during his reign. He was deposed and blinded in 1195 by his brother, who became emperor as Alexius IIIAlexius III
(Alexius Angelus) , d. after 1210, Byzantine emperor (1195–1203). He acceded to power by deposing and blinding his brother Isaac II. This act served as pretext for the leaders of the Fourth Crusade (see Crusades) to attack Constantinople (1203).
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, but Isaac's son (later Alexius IV) appealed to the Latins of the Fourth Crusade (see CrusadesCrusades
, series of wars undertaken by European Christians between the 11th and 14th cent. to recover the Holy Land from the Muslims. First Crusade
Origins

In the 7th cent., Jerusalem was taken by the caliph Umar.
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), and in 1203 father and son were restored as coemperors. Their overthrow (1204) by Alexius Ducas (Alexius VAlexius V
(Alexius Ducas Mourtzouphlos) , d. 1204, Byzantine emperor (1204), son-in-law of Alexius III. The head of the Byzantine national party, he overthrew emperors Isaac II and Alexius IV (who had been installed by the Crusaders), thus precipitating the conquest and sack of
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) led to the storming of Constantinople by the Crusaders.
References in periodicals archive ?
His grandson, Isaac II, was a partner in a Newcastle bank.