Dear Gilliaan This information is taken from Richard White’s (1997) book entitled ‘King Arthur in Legend and History’ and conveys the dates of the early (Celtic)
Researcher’s Note: The Roman Catholic Church – once it became the State religion of Rome – attacked and destroyed all the other (competing) Christian Sects
In the earliest layers of legend – King Arthur is a pre-Christian British leader – who unites the land and brings peace and prosperity to the land of Britain. He is assisted in this task by the magic Celtic wizard named Merlin. After Christianity arrived in Britain, the early Christian missionaries were surprised by the fact that the local Britons believed in the story of Arthur to a greater extent than they turned to the foreign and unfamiliar religion of Christianity. To combat this indigenous threat to the spread of Christianity, the missionaries pursued a policy of harnessing local ‘pagan’ beliefs and superimposing upon them a Christian interpretation.