The map shows the territory controlled by the ruler at the end of his reign. Maps are from Ollie Bye's video "The History of the British Isles: Every Year https://www.youtube.com/watch?v=xwPVk72GLfY Check out Ollie Bye's amazing channel : https://www.youtube.com/channel/UC6gNjP1W4FXWExT5QpYkmhQ