Afonso III moved his capital from Coimbra to Lisbon in 1260, six years after he had called the first Cortes (parliament) in Leiria.
The capital was moved so that it could be better defended.
mnli hypothesis: The capital was moved so that it could be better defended. premise: Afonso III moved his capital from Coimbra to Lisbon in 1260, six years after he had called the first Cortes (parliament) in Leiria.