Continuing his talk from last year, the concluding half of Dominic's book 'London in the Roman World' will attempt to set the archaeological evidence for later Roman London within its wider historical context.

By the end of the third century, London was still a place of considerable importance in the politics of the western empire. During the course of the fourth century this ceased to be the case.

Repeated cycles of investment, followed by periods of urban disrepair and redundancy, echoed London's changing importance to the provincial administration.
When, how and why did this important bastion of Roman power change, and to what extent can such change be characterised as 'decline and fall'?