The Museum of La Asegurada as such has a history limited to the period 1977-2005. The documentary collection that is kept constitutes the history of the institution. It contains documentation related to the creation of the Museum, photographs, correspondence, documents about the donation of the 20th Century Art Collection, constitution and meetings of the 20th Century Art Collection Association; appointment as adopted son of Eusebio Sempere; inauguration of the Museum of La Asegurada, etc.