Timeline 4: AD 1054 to AD 1302

Dated sequence

1. AD 1054
   Schism of 1054

   Mutual excommunications become a symbol of the growing separation between Rome and Constantinople.

   atlas_event · WHG, KATHOLON_SYNTHESIS

2. AD 1059
   Lateran Synod of 1059

   Important local or regional council/synod; not classified as an ecumenical council.

   church_history · CE_GENERAL_COUNCILS

3. AD 1066
   Norman conquest of England

   Key event in world history: Norman conquest of England.

   atlas_event · OHM, KATHOLON_SYNTHESIS

4. AD 1075
   Gregorian Reform and Investiture Controversy

   Church-historical reference point in the synchronous world-history atlas.

   church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

5. AD 1080
   Anselm of Canterbury

   Church Father or ecclesiastical writer in the intellectual and dogmatic context of his age.

   church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

6. AD 1084
   Carthusians

   Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

   church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

7. AD 1088
   University of Bologna

   Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

   church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

8. AD 1095
   Council of Clermont

   Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

   church_history · CE_GENERAL_COUNCILS

9. AD 1096
   First Crusade

   Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

   church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

10. AD 1096
    University of Oxford

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

11. AD 1098
    Cistercians

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

12. AD 1099
    Capture of Jerusalem in the First Crusade

    Crusaders take Jerusalem and establish Latin polities.

    atlas_event · OHM, WHG

13. AD 1102
    Council of London

    Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

    church_history · CE_GENERAL_COUNCILS

14. AD 1120
    Premonstratensians

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

15. AD 1123
    9th Ecumenical Council: Lateran I

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

16. AD 1123
    First Lateran Council

    Ecumenical council in Church history: First Lateran Council.

    atlas_event · WHG, KATHOLON_SYNTHESIS

17. AD 1130
    Bernard of Clairvaux

    Church Father or ecclesiastical writer in the intellectual and dogmatic context of his age.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

18. AD 1135
    Council of Pisa 1135

    Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

    church_history · CE_GENERAL_COUNCILS

19. AD 1139
    10th Ecumenical Council: Lateran II

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

20. AD 1139
    Second Lateran Council

    Ecumenical council in Church history: Second Lateran Council.

    atlas_event · WHG, KATHOLON_SYNTHESIS

21. AD 1147
    Second Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

22. AD 1150
    University of Paris

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

23. AD 1170
    Waldensian movement

    Doctrinal controversy or rupture that occasioned ecclesial definition, synods, controversial literature or lasting divisions.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

24. AD 1172
    Council of Avranches

    Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

    church_history · CE_GENERAL_COUNCILS

25. AD 1179
    11th Ecumenical Council: Lateran III

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

26. AD 1179
    Third Lateran Council

    Ecumenical council in Church history: Third Lateran Council.

    atlas_event · WHG, KATHOLON_SYNTHESIS

27. AD 1189
    Third Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

28. AD 1202
    Fourth Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

29. AD 1204
    Fourth Crusade and sack of Constantinople

    The capture by Latin crusaders deepens the division between East and West.

    atlas_event · WHG, KATHOLON_SYNTHESIS

30. AD 1206
    Genghis Khan and the Mongol Empire

    The unification of Mongol groups begins an extraordinarily rapid imperial expansion.

    atlas_event · UNESCO_CENTRAL_ASIA

31. AD 1209
    Albigensian Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

32. AD 1209
    Franciscans

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

33. AD 1209
    University of Cambridge

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

34. AD 1215
    12th Ecumenical Council: Lateran IV

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

35. AD 1215
    Fourth Lateran Council

    Ecumenical council in Church history: Fourth Lateran Council.

    atlas_event · WHG, KATHOLON_SYNTHESIS

36. AD 1215
    Magna Carta

    Key event in world history: Magna Carta.

    atlas_event · WHG, KATHOLON_SYNTHESIS

37. AD 1216
    Dominicans

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

38. AD 1217
    Fifth Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

39. AD 1218
    University of Salamanca

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

40. AD 1222
    Council of Oxford

    Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

    church_history · CE_GENERAL_COUNCILS

41. AD 1222
    University of Padua

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

42. AD 1224
    University of Neapel

    Medieval or early-modern university within Europe’s ecclesial and intellectual educational world.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

43. AD 1228
    Sixth Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

44. AD 1234
    Council of Tarragona

    Important local, regional, or apostolic council/synod; not automatically classified as an ecumenical council.

    church_history · CE_GENERAL_COUNCILS

45. AD 1245
    13th Ecumenical Council: Lyon I

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

46. AD 1245
    Franciscan missions to the Mongols

    Missionary expansion of the Church with local church formation, schools, catechesis and at times martyrdom.

    church_history · VATICAN_EVANGELIZATION, CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

47. AD 1247
    Carmelites in the Latin West

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

48. AD 1248
    Seventh Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

49. AD 1250
    Bonaventure

    Church Father or ecclesiastical writer in the intellectual and dogmatic context of his age.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

50. AD 1250
    Thomas Aquinas

    Church Father or ecclesiastical writer in the intellectual and dogmatic context of his age.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

51. AD 1256
    Augustinian Hermits

    Religious or monastic tradition with its own spiritual, missionary or scholarly historical impact.

    church_history · CE_RELIGIOUS_LIFE, KATHOLON_SYNTHESIS

52. AD 1258
    Mongols capture Baghdad

    Key event in world history: Mongols capture Baghdad.

    atlas_event · UNESCO_CENTRAL_ASIA, KATHOLON_SYNTHESIS

53. AD 1270
    Eighth Crusade

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

54. AD 1271
    Edward’s Crusade / conventional Ninth

    Military-religious undertaking in the medieval context; moral and historical evaluation of individual actions is distinguished from the institutional level.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

55. AD 1274
    14th Ecumenical Council: Lyon II

    Ecumenical council in the Catholic conciliar series; dogmatic and disciplinary acts are linked through the source registry.

    church_history · VATICAN_COUNCILS, CE_GENERAL_COUNCILS

56. AD 1274
    Second Council of Lyon

    Ecumenical council in Church history: Second Council of Lyon.

    atlas_event · WHG, KATHOLON_SYNTHESIS

57. AD 1279
    Yuan rule over all China

    Key event in world history: Yuan rule over all China.

    atlas_event · CHGIS, KATHOLON_SYNTHESIS

58. AD 1302
    Unam sanctam and the medieval papal-monarchical crisis

    Key event of modern Church history; detailed judgments should use the linked primary sources and Catholon dossiers.

    church_history · CE_CHURCH_HISTORY, KATHOLON_SYNTHESIS

Method and limits

Items are ordered by their recorded year. Coincidence in the same window does not by itself establish causation. Church, political and atlas records retain their source classes and IDs.