The provided sources contain no specific information about a Viking raid on Cornwall and Devon in 997. The sources touch on the broader context of Viking activity during the reign of Æthelred the Unready, noting that minor raids in the 980s escalated to large attacks from the 990s, and that the English were rarely victorious, often resorting to paying tribute. Beyond this general background, no details of the 997 raid are present in the supplied material.
The reign of Æthelred the Unready was marked by escalating Viking pressure along the coasts of England from the 990s onwards, yet the specific events of any raid on Cornwall and Devon in 997 are not recorded in the sources provided.
not recorded
not recorded
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