Mercia (1983: Doomsday)

The Kingdom of Shropshire is a survivor nation in the former English county of Shropshire

pre Doomsday
Shropshire was a county of the united kingdom

Doomsday
on doomsday air rad sirens sounded across the UK fearing an attack many people got undercover but the attack never came however the next day it became clear that not all parts of the UK were as lucky separated from London and expecting an influx of refugees from bombed cities many of them suffering from radiation poisoning the council took on powers normally handled by Westminster there first act was to organize the local constabulary so thay could keep order