Battle of Oswestry
1644 CE.
Shown on the map at 52.861°, -3.055°.
The Battle of Oswestry took place during the First English Civil War on 22–23 June 1644 when Parliamentarians led by Lord Denbigh attacked and took control of the Royalist garrison in Oswestry, Shropshire.
Text from the Wikipedia article Battle of Oswestry, licensed CC BY-SA 4.0.