Region: West Asia · Coordinates: 37.149, 38.787 · 18 events
| Year | Source | Account |
|---|---|---|
| AD 216 | Historia Augusta | He winters at Edessa and plans to resume the war with Parthia |
| AD 217 | Aurelius Victor, De Caesaribus | Caracalla dies beside Edessa, on a tour of Syria, after a reign of six years. |
| AD 217 | Eutropius, Breviarium | Caracalla dies near Edessa in Osrhoene while preparing a Parthian campaign and is buried with a state funeral. |
| AD 540 | Procopius, History of the Wars | Khosrow receives the emperor's letter ratifying the peace and frees the hostages, but prepares to withdraw because of the situation at Edessa. |
| AD 544 | Procopius, History of the Wars | The following year Khosrow invades Mesopotamia for the fourth time, aiming to take Edessa. |
| AD 544 | Procopius, History of the Wars | The citizens of Edessa dig a tunnel under the Persian earthwork to set it on fire. |
| AD 1097 | William of Tyre, A History of Deeds Done Beyond the Sea | Baldwin returns to the main army, but on Pancratius's advice occupies the region up to the upper Euphrates in the north |
| AD 1098 | William of Tyre, A History of Deeds Done Beyond the Sea | His fame spreads; the citizens of Edessa call Baldwin, who crosses the Euphrates and arrives at Edessa |
| AD 1098 | William of Tyre, A History of Deeds Done Beyond the Sea | The citizens of Edessa kill Count Thoros and set up Baldwin as their lord; Samosata is bought at a high price |
| AD 1100 | William of Tyre, A History of Deeds Done Beyond the Sea | Baldwin, count of Edessa, succeeds his dead brother as king |
| AD 1123 | William of Tyre, A History of Deeds Done Beyond the Sea | Balak invades the land of Antioch, captures Count Joscelin, and takes the king prisoner as well |
| AD 1144 | William of Tyre, A History of Deeds Done Beyond the Sea | Zengi besieges Edessa; a description of the city |
| AD 1144 | William of Tyre, A History of Deeds Done Beyond the Sea | Edessa falls, and its inhabitants are massacred |
| AD 1146 | William of Tyre, A History of Deeds Done Beyond the Sea | The citizens of Edessa call the count, and the count comes and retakes the city without the enemy's knowledge |
| AD 1146 | William of Tyre, A History of Deeds Done Beyond the Sea | The count leaves the city and withdraws, but Nur ad-Din pursues and cuts his army down |
| AD 1150 | William of Tyre, A History of Deeds Done Beyond the Sea | The count of Edessa, returning from Antioch, is captured by the enemy and dies in disgrace |
| AD 1150 | William of Tyre, A History of Deeds Done Beyond the Sea | The Sultan of Iconium re-enters the county of Edessa, and the king hastens away. |
| AD 1150 | William of Tyre, A History of Deeds Done Beyond the Sea | The emperor sends troops toward Antioch and demands, and receives, the surrender of the county of Edessa; its castles pass to the Greeks. |