| 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 |
|
| AD | Event |
| 697-1200 | State of the Venetians |
| 1201 | Alliance of the French and Venetians |
| 1202 |
Assembly and Departure of the Crusade from Venice Siege of Zara; Alliance of the Crusaders with the Greek Prince, the young Alexius. | |
| 1203 |
Voyage from Zara to Constantinople; Fruitless Negotiations of the Emperor; Passage of the Bosphorus
First Siege and Conquest of Constantinople by the Latins; Restoration of the Emperor Isaac Angelus and his Son Alexius
Quarrel of the Greeks and Latins | |
| 1204 | |
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