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Constantinople

(Encyclopedia)Constantinople kŏnˌstănˌtĭnōˈpəl [key], former capital of the Byzantine Empire and of the Ottoman Empire, since 1930 officially called İstanbul (for location and description, see İstanbul). ...

Boleslaus III

(Encyclopedia)Boleslaus III, 1085–1138, duke of Poland (1102–38). The kingdom had been divided by his father, Ladislaus Herman, between Boleslaus and his elder brother Zbigniew, whose legitimacy was disputed. Z...

Alexius II

(Encyclopedia)Alexius II (Alexius Comnenus), 1168–83, Byzantine emperor (1180–83), son and successor of Manuel I. His mother, Mary of Antioch, who was regent for him, alienated the population by favoring the La...

Hohenzollern, German princely family

(Encyclopedia)Hohenzollern hōˌən-tsôlˈərn [key], German princely family that ruled Brandenburg (1415–1918), Prussia (1525–1918), and Germany (1871–1918). Originating in S Germany and traceable to the 11...

William I, king of the Netherlands

(Encyclopedia)William I, 1772–1843, first king of the Netherlands and grand duke of Luxembourg (1815–40), son of Prince William V of Orange, last stadtholder of the Netherlands. He commanded (1793–95) the Dut...

Arianism

(Encyclopedia)Arianism ârˈēənĭzˌəm [key], Christian heresy founded by Arius in the 4th cent. It was one of the most widespread and divisive heresies in the history of Christianity. As a priest in Alexandria,...

Heraclius

(Encyclopedia)Heraclius hĕrəklīˈəs, hĭrăkˈlēəs [key], c.575–641, Byzantine emperor (610–41). The son of a governor of Africa, he succeeded the tyrant Phocas, whom he deposed and had executed. In the e...

Isaac II

(Encyclopedia)Isaac II (Isaac Angelus) ănˈjələs [key], 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 Andro...

Klesl, Melchior

(Encyclopedia)Klesl or Khlesl, Melchior both: mĕlˈkhyôr klāˈsəl [key], 1552–1630, Austrian politician, cardinal of the Roman Catholic Church. The son of a Protestant baker, he was converted to Catholicism b...

Confederation of the Rhine

(Encyclopedia)Confederation of the Rhine, league of German states formed by Emperor Napoleon I in 1806 after his defeat of the Austrians at Austerlitz. Among its members were the newly created kingdoms of Bavaria a...