What kingdom was established after the battle that led to the separation of Dumnonia from Wales?
Hwicce: Hwicce (Old English: /ʍi:kt͡ʃe/ (hw-eek-chay) was a tribal kingdom in Anglo-Saxon England. Battle of Deorham:  It also led to the permanent cultural and ethnic separation of Dumnonia (Devon and Cornwall) from Wales.
i don't know