Lindisfarne was attacked by Danish raiders in 793.

Evidence

In 793, on a January morning, the wealthy monastic settlement of Lindisfarne (or Holy Island), off the Northumbrian coast was suddenly attacked by a powerful fleet from Denmark. — Winston Churchill, A History of the English-Speaking…, 166

Categorization

• corroborated: 2 independent passages support this claim — Winston Churchill, A History of the English-Speaking…, 166