Abstract
The "Jovem Pesquisador" project entitled "The Teaching of the Christian Faith in the Iberian Peninsula (14th and 15th Centuries) (PROCESS 17 / 11111-9)" develop a research line within the UNESP History Department dedicated to a history of the naturalization of Christian beliefs in the kingdoms of Portugal and Castile. The stay of Prof. Dr. Francisco Jose Diaz Marcilla will help in the dev…