Battle of Mauchline Muir
1648 CE.
Shown on the map at 55.508°, -4.380°.
The Battle of Mauchline Muir was an engagement fought on 12 June 1648 between two rival factions of the Covenanters of Scotland. On one side were those who favoured The Engagement, known as Engagers, and on the other those who were opposed to the Engagement, and known as the Kirk party.
Text from the Wikipedia article Battle of Mauchline Muir, licensed CC BY-SA 4.0.