Dictionary of Battles / From the Earliest Date to the Present Time

by Thomas Benfield Harbottle

Dunsinnan.

Fought 1054, between the usurper, Macbeth, and the Anglo-Saxons under Siward, Earl of Northumberland, who was supporting Malcolm Canmore, the son of the murdered Duncan. Macbeth was defeated, losing 10,000 men, and fled to the north. The Anglo-Saxons lost 1,500.