Battle of Slioch
1307 CE.
Shown on the map at 57.432°, -2.731°.
The Battle of Slioch was a minor skirmish in the First War of Scottish Independence. Although the encounter was inconclusive, the domestic enemies of the Scottish King Robert Bruce were unable to stop him from consolidating his rule over Scotland.
Text from the Wikipedia article Battle of Slioch, licensed CC BY-SA 4.0.