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Constantine VI, Byzantine emperor

(Encyclopedia)Constantine VI, b. c.770, Byzantine emperor (780–97), son and successor of Leo IV. His mother, Irene, was regent until 790, when she was deposed by a military revolt. Constantine recalled her in 792...

Leo VI, Byzantine emperor

(Encyclopedia)Leo VI (Leo the Wise or Leo the Philosopher), 862?–912, Byzantine emperor (886–912), son and successor of Basil I. He added to the work of his father by the publication (887–93) of the Basilica,...

John III, king of Poland

(Encyclopedia)John III (John Sobieski) sôbyĕˈskē [key], 1624–96, king of Poland (1674–96), champion of Christian Europe against the Ottomans. Born to an ancient noble family, he was appointed (1668) command...

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). ...

Trebizond, empire of

(Encyclopedia)Trebizond, empire of, 1204–1461. When the army of the Fourth Crusade overthrew (1204) the Byzantine Empire and established the Latin Empire of Constantinople, several Greek successor states sprang u...

Ahmed II

(Encyclopedia)Ahmed II, 1642–95, Ottoman sultan (1691–95), brother and successor of Sulayman II to the throne of the Ottoman Empire (Turkey). Soon after his reign began, the Turkish defeat at Slankamen, Serbia ...

caliphate

(Encyclopedia)caliphate kălˈĭfˌ [key], the spiritual head and temporal ruler of the Islamic state. In principle, Islam is theocratic: when Muhammad died, a caliph [Arab.,=successor] was chosen to rule in his pl...

Edward VI

(Encyclopedia)Edward VI, 1537–53, king of England (1547–53), son of Henry VIII and Jane Seymour. Edward succeeded his father to the throne at the age of nine. Henry had made arrangements for a council of regent...

Ivan VI

(Encyclopedia)Ivan VI, 1740–64, czar of Russia (1740–41), great-grandson of Ivan V. He was the son of Prince Anthony Ulric of Brunswick-Wolfenbüttel and of Anna Leopoldovna. An infant, he succeeded his great-a...

Innocent VI

(Encyclopedia)Innocent VI, d. 1362, pope (1352–62), a Frenchman named Étienne Aubert; successor of Clement VI. He was a well-known jurist and was created cardinal in 1342. He lived at Avignon. He was one of the ...