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Michael II, Byzantine emperor

(Encyclopedia)Michael II (Michael the Stammerer), d. 829, Byzantine emperor (820–29). A native of Phrygia, he fought with Emperor Leo V, whom he had helped gain the throne. Leo had him arrested for heading a cons...

Constantine II, Roman emperor

(Encyclopedia)Constantine II, 316–40, Roman emperor, son of Constantine I. When the empire was divided at the death (337) of Constantine I, among the brothers Constantius II, Constans I, and Constantine II, Const...

Constantinople, Third Council of

(Encyclopedia)Constantinople, Third Council of, 680, regarded by Roman Catholic and Orthodox Eastern churches as the sixth ecumenical council. It was convoked by Byzantine Emperor Constantine IV to deal with Monoth...

Theodore II , emperor of Ethiopia

(Encyclopedia)Theodore II, emperor of Ethiopia: see Tewodros II. ...

Michael VIII, Byzantine emperor

(Encyclopedia)Michael VIII (Michael Palaeologus), c.1225–1282, Byzantine emperor (1261–82), first of the Palaeologus dynasty. Following the murder of the regent for Emperor John IV of Nicaea, he was appointed (...

Otto II, Holy Roman emperor

(Encyclopedia)Otto II, 955–83, Holy Roman emperor (973–83) and German king (961–83), son and successor of Otto I. He was crowned joint emperor in 967. Shortly after his father died Otto faced a rebellion by h...

Albert II, Holy Roman Emperor

(Encyclopedia)Albert II, 1397–1439, Holy Roman Emperor, king of Hungary and Bohemia (1438–39), duke of Austria (1404–38). He was the son-in-law of Holy Roman Emperor Sigismund, whom he aided against the Hussi...

John III, Byzantine emperor of Nicaea

(Encyclopedia)John III (John Ducas Vatatzes) do͝oˈkəs vətătˈzēz [key], d. 1254, Byzantine emperor of Nicaea (1222–54), successor and son-in-law of Theodore I. He extended his territory in Asia Minor and th...

Francis II, Holy Roman emperor

(Encyclopedia)Francis II, 1768–1835, last Holy Roman emperor (1792–1806), first emperor of Austria as Francis I (1804–35), king of Bohemia and of Hungary (1792–1835). He succeeded his father, Leopold II, sh...

Constantinople, First Council of

(Encyclopedia)Constantinople, First Council of, 381, second ecumenical council. It was convened by Theodosius I, then emperor of the East and a recent convert, to confirm the victory over Arianism. The council drew...