According to legend , in 832 A.D. Óengus II led an army of Picts and Scots into battle against the Angles , led by Æthelstan , near modern-day Athelstaneford , East Lothian .
According to legend , in 832 A.D. King Óengus ( II ) ( or King Angus ) led the Picts and Scots in battle against the Angles under a king named Athelstan near modern-day Athelstaneford in East Lothian .