The OS Historical Map series comprises of Ancient Britain and Roman Britain. The Roman Britain Map provides the ideal overview of nearly 400 yearsof history, during which Britain was a part of the Roman Empire. This map covers the whole of Great Britain and is printed back to back as North and South sheets. It includes a list of key dates, events and archaeological evidence. The OS Historical Map of Roman Britain provides the means to appreciate and visit the rich and extensive archaeological remains from this period.