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Ferdinand IV, king of Naples
(Encyclopedia)Ferdinand IV, king of Naples: see Ferdinand I, king of the Two Sicilies. ...John IV, king of Portugal
(Encyclopedia)John IV, 1604–56, king of Portugal (1640–56). He succeeded as duke of Braganza in 1630. Descended from Manuel I and in illegitimate line from John I, he had the strongest claim to the Portuguese t...Abd al-Aziz IV
(Encyclopedia)Abd al-Aziz IV, 1880–1943, sultan of Morocco (1894–1908), son of Hassan. His weak control was evident after the death (c.1900) of the regent Ba Ahmed. His submissiveness to foreign influence, his ...Louis IV, French king
(Encyclopedia)Louis IV or Louis d'Outremer lwē do͞otrəmĕrˈ [key] [Fr.,=Louis from overseas], 921–54, French king (936–54), son of King Charles III (Charles the Simple). He spent his youth as an exile in En...Constantine IV, Byzantine emperor
(Encyclopedia)Constantine IV, c.652–685, Byzantine emperor (668–85), son and successor of Constans II. He defended Constantinople against the annual naval attacks of the Muslims, who finally withdrew in 678; Gr...John IV, Byzantine emperor of Nicaea
(Encyclopedia)John IV (John Lascaris) lăsˈkərĭs [key], b. c.1250, d. after 1273, Byzantine emperor of Nicaea (1258–61), son and successor (under a regency) of Theodore II and last of the Lascarids. Michael Pa...Rafa
(Encyclopedia)Rafa or Rafah both: räˈfä [key], town in the present Gaza Strip on the Egyptian border. The ancient name was Raphia. There in 217 b.c., Ptolemy IV defeated Antiochus III. ...Alexander Balas
(Encyclopedia)Alexander Balas bāˈləs [key], d. 145 b.c., ruler of Syria, putative son of Antiochus IV. He seized power from his uncle Demetrius I (c.152 b.c.); Jonathan the Maccabee supported him. He died in bat...Ladislaus IV, king of Poland
(Encyclopedia)Ladislaus IV, 1595–1648, king of Poland (1632–48), son and successor of Sigismund III. His reign was marked by struggles with his subjects and wars with the Swedes, the Russians, and the Ottomans....Idfu
(Encyclopedia)Idfu ĕdˈ– [key], town (1986 pop. 45,737), S central Egypt, on the Nile River. It is an agricultural trade center and has paper mills and a sugar refinery. Idfu was the capital of a predynastic upp...Browse by Subject
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