Recent research has suggested Dunachton as a potential location for the Battle of Dun Nechtain in 685 in which the Picts permanently secured independence from the Northumbrians.
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Recent research has pointed to the possibility that Dunachton may have been the correct site of the Battle of Dun Nechtain in 685, when Bridei mac Bille, king of the Pictish kingdom of Fortriu defeated Ecgfrith of Northumbria, securing Pictish independence from Northumbria.
The Northumbrians were lured by a feigned flight in the mountains and Ecgfrith was then slain at the Battle of Nechtansmere, located at either Dunnichen in Angus or Dunachton in Badenoch.