| AD | Event |
| 857-886 | Ambitious Quarrels of Photius, Patriarch of Constantinople, with the Popes |
| 1054 | The Popes excommunicate the Patriarch of Constantinople and the Greeks |
| 1100-l200 | Enmity of the Greeks and Latins; The Latins at Constantinople |
| 1183 | Their Massacre |
| 1185-1195 | Reign and Character of Isaac Angelus |
| 1186 | Revolt of the Bulgarians |
| 1195-1203 | Usurpation and Character of Alexius Angelus |
| 1198 | The Fourth Crusade, Embraced by the Barons of France |
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