Battle of Roslin
1303 CE.
Shown on the map at 55.850°, -3.167°.
The Battle of Roslin on 24 February 1303 was a Scottish victory in the First War of Scottish Independence. It took place near the village of Roslin, where a force led by the Scots John Comyn and Sir Simon Fraser ambushed and defeated an English reconnaissance party under Lord John Segrave.
Text from the Wikipedia article Battle of Roslin, licensed CC BY-SA 4.0.