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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...

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...

Ferdinand II, Holy Roman emperor

(Encyclopedia)Ferdinand II, 1578–1637, Holy Roman emperor (1619–37), king of Bohemia (1617–37) and of Hungary (1618–37); successor of Holy Roman Emperor Matthias. Grandson of Ferdinand I, son of Archduke Ch...

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...

Orkhan

(Encyclopedia)Orkhan ôr-khänˈ [key], 1288?–1362?, Ottoman sultan (1326–1362?), son and successor of Osman I as leader of the Ottoman Turks. He defeated Byzantine Emperor Andronicus III and conquered large pa...

Eusebius of Nicomedia

(Encyclopedia)Eusebius of Nicomedia nĭkōmēˈdēə [key], d. 342, Christian churchman and theologian, leader of the heresy of Arianism. He was bishop of Nicomedia (330–39) and patriarch of Constantinople (339�...

Epirus, despotate of

(Encyclopedia)Epirus, despotate of. When, in 1204, the army of the Fourth Crusade set up the Latin Empire of Constantinople on the ruins of the Byzantine Empire, an independent Greek state emerged in Epirus under M...

William II, emperor of Germany and king of Prussia

(Encyclopedia)William II, 1859–1941, emperor of Germany and king of Prussia (1888–1918), son and successor of Frederick III and grandson of William I of Germany and of Queen Victoria of England. After the out...

Tancred, Crusader

(Encyclopedia)Tancred, 1076–1112, Crusader. He became a Crusader in 1096 with his uncle Bohemond I. After distinguishing himself at Nicaea, he struck out into Cilicia and besieged Tarsus, but was deprived of the ...

Nicaea, First Council of

(Encyclopedia)Nicaea, First Council of, 325, 1st ecumenical council, convened by Roman Emperor Constantine the Great to solve the problems raised by Arianism. It has been said that 318 persons attended, but a more ...