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Creeds
St. Clement I, 90(?)- 99(?)
Resp. St. Callistus I, 2I7-222
St. Cornelius I, 251-253
St. Stephan I, 254-257
St. Dionysius, 259-268
St. Eutychianus, 275-283 St. Marcellinus 296-304
- Council of Illiberi between 300/306
St. Sylvester I, 314-335
- Council of Arelas I, 314
- Council of Nicea I, 325 — Ecumenical I (against the Arians)
St. Julius I, 337-352
- Council of Serdica, 343-344
St. Damasus I, 366-384
- Council of Rome, 382
- Council of Constantinople I, 381 — Ecumenical II (against the Macedonians, etc.)
St. Siricius, 384-398
- Council of Carthage (III), 397
St. Anastasius I, 398-40I
St. Innocent I, 401-417
St. Zosimus, 417-4I8
- Council of Mileum II, 416, Approved by Innocent and Council of Carthage (XVI), 418, Approved by Zosimus — (against the Pelagians)
St. Boniface I, 418-422
St. Celestine I, 422-432
- Council of Ephesus, 431 — Ecumenical III (against the Nestorians)
St. Leo I, the Great, 440-461
- Council of Chalcedon, 451 — Ecumenical IV (against the Monophysites)
St. Simplicius, 468-483
- Council of Arles, 475 (?)
St. Gelasius I, 492-496
St. Anastasius II, 496-498
St. Hormisdas, 514-523
St. Felix III, 526-530
- Council of Orange II, 529 — Confirmed by Boniface II (against the Semipelagians)
Boniface II, 530-532
John II, 533-535
Vigilius, (537) 540-555
- Council of Constantinople II, 553 — Ecumenical V (concerning the three Chapters)
Pelagius I, 556-561
(John III, 561-574)
- Council of Braga II, 561
Pelagius II, 579-590
St. Gregory I, the Great, 590-604
Honorius I, 625-638
John IV, 640-642
St. Martin I, 649-653 (655)
- The Lateran Council, 649 — (Against the Monothelites)
(Adeodatus, 672-676)
- Council of Toledo XI, 675
St. Agatho, 678-681
- Roman Council, 680
- Council of Constantinople III, 680-681 — Ecumenical VI (against the Monothelites)
(St. Sergius I, 687-701)
- Council of Toledo XV, 685
- Council of Toledo XVI, 693
St. Gregory II, 715-731
St. Gregory III, 73I-741
St. Zachary, 74I-752
Hadrian I, 772-795
- Council of Nicea II, 787 — Ecumenical VII (against the Iconoclasts)
  - Action VII
  - Action VIII
- Council of Frankfurt, 794
St. Leo III, 795-816
- Council of Friuli, 796
St. Leo IV, 847-855
St. Nicholas I, 858-867
- Roman Council, 860 and 863
Hadrian II, 867-872
- Council of Constantinople IV, 869-870 — Ecumenical VIII (against Photius)
John XV, 985-996
- Roman Council, 993 — (For the Canonization of St. Udalrich)
St. Leo IX, 1049-1054
Nicholas II, 1059-1061
- Roman Council, 1060
St. Gregory VII, 1073-1085
- Roman Council VI, 1079 — (Against Berengarius)
Urban II, 1088-1099
- Council of Benevento, 1091
Paschal II, 1099-1118
- Lateran Council, 1102 — (Against Henry IV)
- Council of Guastalla, 1106
Callistus II, 1119-1124
- Lateran Council I, 1123 — Ecumenical IX (concerning investitures)
Innocent II, 1130-1143
- Lateran Council II, 1139 — Ecumenical X (against pseudo-pontiffs)
- Council of Sens, 1140 or 1141
Eugenius III, 1145-1153
- Council of Rheims, 1148
Alexander III, 1159-118I
- Lateran Council III, 1179 — Ecumenical XI (against the Albigenses)
Lucius III, 1181-1185
- Council of Verona, 1184
Urban III, 1185-1187
Innocent III, 1198-1216
- Lateran Council IV, 1215 — Ecumenical XII (against the Albigensians, Joachim, Waldensians etc
Honorius III, 1216-1227
Gregory IX, 1227-1241
Innocent IV, 1243-1254
- Council of Lyons I, 1245 — Ecumenical XIII (against Frederick II)
Alexander IV, 1254-1261
Gregory X, 1271-1276
- Council of Lyons II, 1274 — Ecumenical XIV (concerning the union of the Greeks)
Boniface VIII, 1294-1303
Benedict XI, 1303-1304
Clement V, 1305-1314
- Council of Vienne, 1311-1312 — Ecumenical XV (abolition of the Templars)
John XXII, 1316-1334
Benedict XII, 1334-1342
Clement VI, 1342-1352
Urban V, 1362-1370
Gregory XI, 1370-1378
Martin V, 1417-1431
- Council of Constance, 1414-1418 — Ecumenical XVI (against Wycliffe, Hus, etc.)
Eugenius IV, 1431-1447
- Council of Florence, 1438-1445 — Ecumenical XVII (Union with the Greeks, Armenians, Jacobites)
Callistus III, 1455-1458
Pius II, 1458-1464
Sixtus IV, 1471-1484
Leo X, 1513-1521
- Lateran Council V, 1512-1517 — Ecumenical XVIII (The Reform of the Church)
Paul III, 1534-1549
- Council of Trent, 1545-1563 — Ecumenical XIX (Contra Novatores 16 cent.)
Julius III, 1550-1555
- Council of Trent, continued
  - Session XIII (Oct. II, 1551)
  - Session XIV (Nov. 25, 1551)
Pius IV, 1559-1565
- Council of Trent, conclusion
St. Pius V, 1566-1572
Gregory XIII, 1572-1585
Clement VIII, 1592-1605
Paul V, 1605-1621
Innocent X, 1644-1655
Alexander VII, 1655-1667
Innocent XI, 1676-1689
Alexander VIII, 1689-1691
Innocent XII, 1691-1700
Clement XI, 1700-1721
Benedict XIV, 1740-1758
Pius VI, 1775-1799
Pius VII, 1800-1823
Leo XII, 1823-1829
Pius VIII, 1829-1830
Gregory XVI, 1831-1846
Pius IX, 1846-1878
- The Vatican Council, 1869-1870 — Ecumenical XX (on Faith and the Church)
  - Session III (April 24, 1870)
  - Session IV (July 18, 1870)
Leo XIII, 1878-1903
Pius X, 1903-1914
Benedict XV, 1914-1922
Pius XI, 1922-1939
Pius XII, 1939—
Appendix (Nn. 5000 ff.)

pope — Denzinger

St. Leo III, 795-816

Texts presented for study and reference. In whatever touches your own conscience, seek out a confessor and the spiritual guidance of a priest — as the manuals themselves counsel: “If a person has time to resolve his hesitation, he should not trust to common sense, but should consult moral theology, if he is competent to understand and apply it, or should have recourse to his confessor, if he is not a theologian” (McHugh–Callan, n. 656).

Errors & questions

St. Leo III, 795-816

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