Arthur's battles according to Nennius

Investigation into the location of the 12 battles. On the early British kingdom's page.

Nennius.

Pic Arthur by Richard Hook 

Arthur carried the image of the holy Mary, the everlasting Virgin, on his shield, and the heathen were put to flight on that day, and there was great slaughter upon them, through the power of Jesus Christ and the power of the holy Virgin Mary, his mother