1100
- 1120 Ingulph's Chronicle records Cornwall as a nation distinct from England.
- 1154-1214 (effective)/1242 (formal) Angevin Empire, which includes other Brythonic areas such as Brittany and parts of Wales.
- 1173 Reginald de Dunstanville, 1st Earl of Cornwall, grants a charter to his 'free bugesses of Triueru' and he addresses his meetings at Truro to: "All men both Cornish and English" suggesting a continuing differentiation. Subsequently, for Launceston, Reginald's Charter continues that distinction - "To all my men, French, English and Cornish".
- 1198 William de Wrotham (Lord Warden of the Stannaries) writes of those working tin in Cornwall paying twice the taxation of their Devon counterparts.
Read more about this topic: Timeline Of Cornish History