To analyse the binomial war-peace at both sides of the Atlantic during the reign of Charles V; this is the reason why international academicians and experts meet from today until 6 July, in Yuste, in order to carry out the course “Charles V: War and Peace on Both Sides of the Atlantic”. Organised by the European and Ibero-American Academy of Yuste Foundation and the Cooperation Network of European Routes of Emperor Charles V of the Council of Europe in collaboration with the Regional Government of Extremadura, this course will also attempt to study the perception that the actors of those conflicts had and the consequences they caused in the politics of the time.