Society and history

Constantin Prezan

Constantin Prezan was a Romanian general who commanded the Northern Army in 1916, rebuilt the army for its 1917 victories, and became the first Marshal of Romania in 1930.

Constantin Schlottmann

Constantin Schlottmann (1819–1887) was a German Protestant theologian and orientalist who taught Old Testament exegesis at Zurich, Bonn, and Halle, known for his 1851 commentary on Job.

Constantin Stere (1865–1936) was a Bessarabian-born Romanian publicist, jurist, and politician, the ideologue of Poporanism, founder of Viața Românească, and president of Sfatul Țării during Bessarabia's 1918 union with Romania.

Constantine (pope)

Constantine was pope from 708 to 715, a Syrian whose journey to Constantinople in 710 was the last papal visit there for more than 1,200 years.

Constantine Dobrowolski

Constantine Dobrowolski (1906–1944?), Red Army artillery captain who defected to Nazi Germany in August 1941, became 'Agent 30' and 'the Butcher' in Chernihiv, and was grandfather of MI6 chief Blaise Metreweli.

Constantine Dragaš

Constantine Dragaš (Константин Драгаш; also Constantine Dejanović), c. 1350 to 1395, was a Serbian magnate who ruled a principality in eastern Macedonia as an Ottoman vassal.

Constantine I

Constantine I (Greek Κωνσταντῖνος) was Ecumenical Patriarch of Constantinople from 675 to 677, between John V and Theodore I, and is venerated as a saint.

Constantine I of Cilicia

Constantine I of Cilicia, romanized Kostandin or Gosdantin, was the second lord of the Rubenid principality from 1095 to about 1100, who seized the fortress of Vahka and allied with the First Crusade.

Constantine I of Georgia

Constantine I (კონსტანტინე I) was king of Georgia from 1407 to 1412, a son of Bagrat V who died in captivity after the Battle of Chalagan.

Constantine I of Greece

Constantine I (1868–1923), King of Greece 1913–17 and 1920–22, eldest son of George I, Balkan Wars commander-in-chief, opponent of Venizelos in the National Schism, died in exile in Palermo after the 1922 Asia Minor defeat.

Constantine I of Imereti

Constantine I (Georgian: კონსტანტინე I) was king of Imereti in western Georgia from 1293 to 1327, a Bagrationi who fought his brother Michael throughout his reign.

Constantine II

Constantine II (Κωνσταντίνος), died 767, was the 74th Ecumenical Patriarch of Constantinople from 754 to 766, an iconoclast installed by Emperor Constantine V at the Council of Hieria.

Constantine II (emperor)

Constantine II (February 317 – early 340), eldest son of Constantine the Great, Augustus 337–340 over Britain, Gaul, and Spain; killed in an ambush near Aquileia by his brother Constans' forces in the civil war of 340.

Constantine II of Georgia

Constantine II (კონსტანტინე II; died 1505) was a Bagrationi king who ruled Georgia from 1466 and Kartli from 1478, presiding over Georgia's final breakup into separate kingdoms.

Constantine II of Greece

Constantine II (Κωνσταντίνος Βʹ, Kōnstantinos II), last King of the Hellenes: reigned 1964–1973, fled after failed 1967 counter-coup, deposed by junta 1973, monarchy rejected by 1974 referendum, died 2023.

Constantine II of Scotland

Constantine II (Custantín mac Áeda), king of Alba 900–943, son of Aedh, consolidated the early Scottish kingdom, fought Athelstan at Brunanburh in 937, abdicated to a Culdee monastery at St Andrews, and died in 952.

Constantine III Leichoudis

Constantine III Leichoudis (Greek Κωνσταντίνος Λιχούδης) was Ecumenical Patriarch of Constantinople from 1059 to 1063, a Byzantine scholar and former statesman who succeeded Michael Keroularios.

Constantine IV Chliarinos

Constantine IV Chliarinos was Ecumenical Patriarch of Constantinople from 1154 to 1156, in the reign of Emperor Manuel I Komnenos; some chronologies extend his tenure to 1157.

Sep 23, 2026

Constantine Joseph Beschi

Constantine Joseph Beschi, known in Tamil as Viramamunivar (வீரமாமுனிவர), was an Italian Jesuit missionary and Tamil scholar in South India from 1710, who composed the Tamil epic Tempavani.

Constantine of Barbaron

Constantine of Barbaron (Armenian Kostandin, c. 1180–1262), called the Grand Baron, was a Het'umid lord who served as constable of Cilicia and regent for Queen Zabel.

Constantine Phaulkon

Constantine Phaulkon (Konstantinos Gerakis), Greek adventurer born 1647 in Kephalonia, chief minister to King Narai of Ayutthaya and architect of the Franco-Siamese alliance; executed in the 1688 Palace Revolution under Phetracha.

Constantine the Great

Constantine the Great (Flavius Valerius Constantinus), Roman emperor 306-337 CE, son of Constantius I Chlorus; won at Milvian Bridge in 312, legalized Christianity, founded Constantinople in 330, and convened Nicaea in 325.

Constantine the Great and Christianity

Constantine the Great and Christianity is the history of how Emperor Constantine I (306–337) ended Christian persecution, favored the Church, and convened the Council of Nicaea in 325.

Constantine Tikh of Bulgaria

Constantine Tikh Asen (Константин Тих Асен) was tsar of the Second Bulgarian Empire, a Serbian-born boyar elected in 1257 and killed by the rebel Ivaylo in 1277.

Constantine V

Constantine V, born Konstantinos Valiadis (Κωνσταντίνος Βαλλιάδης), was Ecumenical Patriarch of Constantinople from 1897 to 1901, known for church reforms and deposed by imperial decree in 1901.

Constantine VI

Constantine VI (Κωνσταντῖνος ΣΤ΄), born 1859, was Ecumenical Patriarch of Constantinople from December 1924 until May 1925; Turkey deported him in January 1925 under the population exchange, ending his reign after about 43 days.

Constantine VII

Constantine VII Porphyrogenitus (Κωνσταντῖνος Πορφυρογέννητος, 905–959), Byzantine emperor 913–959, sole ruler from 945 after 24 years under Romanos I Lekapenos; scholar-emperor behind De administrando imperio, De ceremoniis, and the Macedonian Renaissance compilations.