The Vikings had previously been part of the Great Heathen Army which had been assaulting the Anglo-Saxon kingdoms of England before moving to a base by the river Tyne to raid the lands of the Picts and Strathclyde Britons.

The battle ended in victory for the Vikings who occupied the east-central lowlands of Scotland for a year before settling in Northumbria.

[5] The battle of Dollar is the first time the Scottish Chronicle uses the word Scoti, used when describing the defeated force.

[6] Following his defeat, Constantine was driven back to the highlands of Atholl, with the east-central lowlands occupied by the Vikings for a year.

[4] Halfdan did not settle with the army and is recorded as being active in Ireland, where he was killed in 877 at the battle of Strangford Lough.