 Complete the following phrase:  Arthur is also not mentioned in Bedes Historia ecclesiastica gentis Anglorum Ecclesiastical History of the English People, which dates to c. 731, or any other surviving work until around 829, the date ascribed to the Historia Brittonum, attributed to a Welsh ecclesiastic called Nennius. The Historia says: Then in those days Arthur fought with the kings of the Britons against them the Saxons but he himself was the commander of battles dux bellorum. Twelve battles fought by Arthur are listed. Commenting on Arthurs post- 