“In 936AD, perhaps the most significant event happened. In 927 Hywel, King of West-Wales was
recorded in the ASC as being under the governance of King Athelstan of Wessex by agreement -
there being no record of Athelstan taking his military campaigns into Cornwall. It seems probable
that Hywel agreed to pay tribute thus avoiding further attacks and maintaining a high degree of
autonomy. Athelstan 9 years later sets ‘for ever’, the border between his kingdom and that of the Celtic
Cornish at the east bank of the River Tamar, practices ethnic cleansing against the Cornish at
(William of Malmesbury 'cleansed of its defilement by wiping out that filthy race').
Dr Bernard Deacon - Institute of Cornish Studies”
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