Battle of Benburb
1646 CE.
Shown on the map at 54.412°, -6.746°.
The Battle of Benburb took place on 5 June 1646 during the Irish Confederate Wars, the Irish theatre of the Wars of the Three Kingdoms. It was fought between the Irish Confederates under Owen Roe O'Neill, and an army of Scottish Covenanters and Scottish/English settlers under Robert Monro. The battle ended in a decisive victory for the Irish Confederates and ended Scottish hopes of conquering Ireland and imposing their own religious settlement there.
Text from the Wikipedia article Battle of Benburb, licensed CC BY-SA 4.0.