Aberffraw, Ynys Dryyll, 855 – 864 AD Aberffraw, Ynys Dryyll, 855 – 864 ADThe sacrifices of the fallen in battle ensure peace and prosperity for the future. So it was, after the Welsh victory over King Gorm, for a while at least. Not that King Rhodri could rest on the laurels of his deceased heroes, for the Viking menace, although intermittent on his shores, was ever-present in the background, and the same could be said of the Saxons. History reveals that a man’s true greatness can, at times, be measured in the worth of his progeny. It also teaches that sometimes failure can surpass success and that illusions can be of greater psychological value than reality. After the great victory over the Dubgaill, history settled down to apply her logic to Gwynedd. Gwynedd’s years of relative peace