Complex sentence: In pre-Roman times, Cornwall was part of the kingdom of Dumnonia, and was later known to the Anglo-Saxons as "" West "Wales", to distinguish it from "North Wales" (modern-day Wales).
Split into simpler sentences: In pre-Roman times, Cornwall was part of the kingdom of Dumnonia. Later, it was known to the Anglo-Saxons as "" West "Wales", to distinguish it from "North Wales" (modern-day Wales).