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Leo IV, Saint, pope

(Encyclopedia)Leo IV, Saint, d. 855, pope (847–55), a Roman; successor of Sergius II. He had seen the Saracen attack on Rome (846), and to prevent its recurrence he fortified the city and its suburbs. He built a ...

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...

Muhammad IV, Ottoman sultan

(Encyclopedia)Muhammad IV or Mehmet IV, 1641–92, Ottoman sultan (1648–87). He was proclaimed sultan of the Ottoman Empire (Turkey) by the corps of Janissaries after the deposition and murder of his father, Sult...

Cyril, Saint (St. Cyril of Jerusalem)

(Encyclopedia)Cyril, Saint (Saint Cyril of Jerusalem) sĭrˈəl [key], c. 315–386, bishop of Jerusalem (c. 350–386), Doctor of the Church. Ordained by his predecessor as bishop, St. Maximus, he was deposed in 3...

Anna Comnena

(Encyclopedia)Anna Comnena kŏmnēˈnə [key], b. 1083, d. after 1148, Byzantine princess and historian; daughter of Emperor Alexius I. She plotted, during and after her father's reign, against her brother, John II...

Constans II

(Encyclopedia)Constans II (Constans Pogonatus), 630–68, Byzantine emperor (641–68), son and successor of Constantine III and grandson of Heraclius. Early in his reign Armenia and Asia Minor were invaded by the ...

Ferdinand, emperor of Austria

(Encyclopedia)Ferdinand, 1793–1875, emperor of Austria (1835–48), son and successor of Emperor Francis I (who also, as Francis II, had been the last Holy Roman emperor). A well-meaning monarch in his lucid mome...

Philip of Swabia

(Encyclopedia)Philip of Swabia swāˈbēə [key], 1176?–1208, German king (1198–1208), son of Holy Roman Emperor Frederick I. After the death (1197) of his brother, German King and Holy Roman Emperor Henry VI, ...

Thessaloníki

(Encyclopedia)Thessaloníki sălənēˈkə, səlŏnˈĭkə [key], also known as Thessalonike, Thessalonica, Salonika, and Saloniki, city (1991 pop. 383,967), capital of Thessaloníki prefecture, N Greece, in Macedo...

Villehardouin

(Encyclopedia)Villehardouin vēlärdwăNˈ [key], French noble family that ruled the Peloponnesus from 1210 to 1278. Geoffroi I de Villehardouin, d. 1218, nephew of the historian and marshal of Champagne and Romani...