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| 0674 | Invasion of Northumbria |  |
| Northumbria Wulfhere is defeated by Oswy's son Ecgfrith |
| 0678 | Battle of River Trent | |
| River Trent Defeated by Aethelred in the last clash between Mercia & Northumbria for a generation |
| River Trent Defeated by the Mercians & prevented from expanding sth of the Trent |
| River Trent The last great clash between Nortumbria & Mercia for a generation |
| 0685 | Battle of Nechtansmere | |
| 20th May Nechtansmere Defeated by the Picts under Brude mac Bili sth east of Forfar |
| 20th May Nechtansmere Defeat leads to the creation of a kingdom of the Picts in northern Britain |
| 20th May Nechtansmere Drawn by the Picts into unfavourable country & defeated sth east of Forfar |
| 20th May Nechtansmere Egfrith & most of his army are slain |
| 20th May Nechtansmere Egfrith's army is trapped between the shore of the loch between Dunnichen & Letham |
| 20th May Nechtansmere The Northumbrians are forced to retreat to Lothian & the Tweed Valley |
| 0685 | Death | |
| 20th May Nechtansmere Death of Ecgfrith, killed at the battle of Nechtansmere |
| 0685 | Invasion of Picts | |
| Ecgfrith leads an army against the Picts |
| 0796 | Death | |
| 17th Dec Mercia Death of Ecgfrith |
| 0796 | Succession | |
| Mercia Succeeds as King of Mercia |
