apr 1, 312 - Britain Subdivided

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The Diocese of Britain was divided into four provinces: Maxima Caesariensis (Londinium capital), Flavia Caesariensis (Lindum capital), Britannia Prima (Corinum capital) and Britannia Secunda (Eboracum capital). each province was overseen by a governor, and the diocese was overseen by a vicarius, and Britain was part of the Gallic region under the overall authority of a praetorian prefect, based at Trier. The vicarius was based at Londinium as the principal city of the diocese.

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