Columbia Encyclopedia

Search results

500 results found

Constantine I, Roman emperor

(Encyclopedia)Constantine I or Constantine the Great kŏnˈstəntēn, –tīn [key], 288?–337, Roman emperor, b. Naissus (present-day Niš, Serbia). He was the son of Constantius I and Helena and was named in ful...

Sylvester I, Saint

(Encyclopedia)Sylvester I, Saint, pope (314–35), a Roman; successor of St. Miltiades (St. Melchiades). He was pope under the reign of Emperor Constantine I, who built for him the Lateran and other churches. St. S...

Louis I, emperor of the West

(Encyclopedia)Louis I or Louis the Pious, Fr. Louis le Pieux or Louis le Débonnaire, 778–840, emperor of the West (814–40), son and successor of Charlemagne. He was crowned king of Aquitaine in 781 and co-empe...

Baldwin I, Latin emperor of Constantinople

(Encyclopedia)Baldwin I bôlˈdwĭn [key], 1171–1205, 1st Latin emperor of Constantinople (1204–5). The count of Flanders (as Baldwin IX), he was a leader in the Fourth Crusade (see Crusades). After the seizure...

Lascaris

(Encyclopedia)Lascaris lăsˈkərĭs [key], family name of the Greek emperors of Nicaea (see Nicaea, empire of). The empire was founded in 1204 by Theodore I, a son-in-law of Alexius III (Alexius Angelus). Theodore...

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 ...

Nicaea, Second Council of

(Encyclopedia)Nicaea, Second Council of, 787, 7th ecumenical council, convened by Byzantine Empress Irene. Called to refute iconoclasm, the council declared that images ought to be venerated (but not worshiped) and...

Martin I, Saint, d. 655?, pope

(Encyclopedia)Martin I, Saint, d. 655?, pope (649–55?), an Italian, b. Todi; successor of Theodore I. On his accession he summoned a great council at the Lateran, as St. Maximus had urged, to deal with Monothelet...

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...

Byzantine Empire

(Encyclopedia)CE5 CE5 Byzantine Empire (c.1000) Byzantine Empire, successor state to the Roman Empire (see under Rome), also called Eastern Empire and East Roman Empire. It was named after Byzantium, which Emp...