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Lecture Series

The New York City Lecture Series in Church History offers an in-depth discussion of consecutive periods in the life of Christendom each year from September through May.

The Roman Forum Lectures in Church History 2024–2025

The Return of History

The Twenty One Ecumenical Councils

Lecturer:	John C. Rao (D. Phil., Oxford) Associate Professor of History, St. John’s University
Date & Time:	Check at drjcrao@aol.com for Site Before Each Lecture 2:30 P.M. on Dates Specified Wine & Cheese Reception — $15 Suggested Donation
Location:	Most Holy Redeemer Church East 3rd Street, between Avenues A & B Both audio and videotapes of all lectures will be posted on the Internet.
Schedule:	September 15 The First Council of Nicaea and First Constantinople 325—Pope Sylvester I, 314-335; Emperor Constantine, 306-337 (see here) and Pope Damasus I, 366-384; Emperor Theodosius, 379-395 (see here). October 6 The Council of Ephesus 431, Pope Celestine I, 422-432; Emperor Theodosius II, 408-450. (see here) November 10 The Council of Chalcedon 451; Pope Leo the Great, 440-461; Emperor Marcian, 450-457. (see here) December 15 2024 The Councils of Constantinople II & III 553; Pope Vigilius, 537-555; Emperor Justinian I, 527-565. (see here) 680-681; Pope Agatho, 678-681; Emperor Constantine IV, 668-685. (see here) January 19 2025 The Councils of Second Nicaea and Constantinople IV 787.Pope Hadrian I, 772-795; Emperor Constantine VI, 780-797 (see here). 869; Pope Hadrian II, 867-872; Emperor Basil, 867-886 (see here) February 16 Lateran Councils I, II, III, and IV 1123; Pope Callistus II, 1119-1124; Emperor Henry V, 1105-1125 (see here). 1139; Pope Innocent II, 1130-1143; Emperor Conrad III, 1138-1152 (see here). 1215; Pope Innocent III, 1198-1216; Emperor Otto IV, 1209-1215 (see here) March 16 Council of Lyons I & II and the Council of Vienne 1245; Pope Innocent IV, 1243-1254; Emperor Frederick II, 1220-1250 (see here). 1274; Pope Gregory X, 1271-1276; Emperor Rudolf I, 1273-1291 (see here). 1311; Pope Clement V, 1305-1314; Emperor Henry VII, 1308-1313 (see here). March 30 The Council of Constance, the Councils of Basel/Ferrara/Florence, and Lateran Council V 1414-1418; Popes Gregory XII, 1406-1415; Martin V (1417-1431); Emperor Sigismund, 1410-1437 (see here). 1431/1438-1445; Pope Eugene IV, 1431-1447; Emperors Sigismund, 1410-1437; Albert II, 1438-1439, Frederick III, 1440-1493 (see here). 1512-1517; Popes Julius II, 1503-1513; Leo X, 1513-1521; Emperor Maximilian I, 1493-1519 (see here). April 13 The Council of Trent 1545-1549, 1551-1552, 1562-1563; Popes Paul III, 1534-1549; Julius III, 1550-1555; Pius IV, 1559-1565; Emperors Charles V, 1519-1558; Ferdinand I, 1558-1564 (see here) May 18 The First Vatican Council 1870; Pope Pius IX, 1846-1878 (see here) May 25 The Second Vatican Council 1962-1965; Popes John XXIII, 1958-1963; Paul VI, 1963-1978 (see here)

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