Cnut
Cnut, reports the Anglo-Saxon Chronicle, led an army into Scotland on his return from pilgrimage to Rome. The Chronicle dates this to 1031, but there are reasons to suppose that it should be dated to 1027. Burgundian chronicler Rodulfus Glaber recounts the expedition soon afterwards, describing Máel Coluim as "powerful in resources and arms ... very Christian in faith and deed." Ralph claims that peace was made between Máel Coluim and Cnut through the intervention of Richard, Duke of Normandy, brother of Cnut's wife Emma. Richard died in about 1027 and Rodulfus wrote close in time to the events.
It has been suggested that the root of the quarrel between Cnut and Máel Coluim lies in Cnut's pilgrimage to Rome, and the coronation of Holy Roman Emperor Conrad II, where Cnut and Rudolph III, King of Burgundy had the place of honour. If Máel Coluim were present, and the repeated mentions of his piety in the annals make it quite possible that he made a pilgrimage to Rome, as did Mac Bethad mac Findláich ("Macbeth") in later times, then the coronation would have allowed Máel Coluim to publicly snub Cnut's claims to overlordship.
Cnut obtained rather less than previous English kings, a promise of peace and friendship rather than the promise of aid on land and sea that Edgar and others had obtained. The sources say that Máel Coluim was accompanied by one or two other kings, certainly Mac Bethad, and perhaps Echmarcach mac Ragnaill, King of Mann and the Isles, and of Galloway. The Anglo-Saxon Chronicle remarks of the submission "but he adhered to that for only a little while". Cnut was soon occupied in Norway against Olaf Haraldsson and appears to have had no further involvement with Scotland.
Read more about this topic: Malcolm II Of Scotland