Armies of Plantagenet England, 1135–1337

The ascent of the Plantagenets to the English throne in 1154 led to the beginning of a new historical phase in the British Isles, which was marked by numerous wars that were fought between the Kingdom of England and the 'Celtic nations' of Wales, Scotland and Ireland. During the rule of the Norman kings, the English armies had not completed the conquest of Wales and had established only some footholds in Ireland; Scotland was still independent and was ready to contest the Plantagenets’ possessio