Later national myth made Kenneth MacAlpin the creator of the kingdom of Scotland the year in which he was said to have destroyed the Picts and inaugurated a new era .
Kenneth MacAlpin the creator of the kingdom of Scotland is the founding of which was dated from 843 .
Later national myth made Kenneth MacAlpin the creator of the kingdom of Scotland , the founding of which was dated from 843 , the year in which he was said to have destroyed the Picts and inaugurated a new era .