Battle of Stalling Down
1403 CE.
Shown on the map at 51.462°, -3.418°.
The Battle of Stalling Down, also known as the Battle of Bryn Owen, is reputed by the literary forger, Iolo Morganwg, to have taken place between late autumn or early winter of 1400/1401 between a Welsh army under Owain Glyndŵr and an English army under King Henry IV of England. It was set during the Welsh Revolt of 1400–1415.
Text from the Wikipedia article Battle of Stalling Down, licensed CC BY-SA 4.0.