 The Torre do Tombo safeguards twelve centuries of historical Portuguese guards, including documents that pre-date the Kingdom of Portugal, and others like the bull "Manifestis Probatum", considered an important of UNESCO World Heritage.In addition, records include 36,000 documents recovered during the era of the Inquisition, many documents inscribed by the Nationlist police force (PIDE) and the accord admitted Portugal into the European Economic Community.Among the other significant collections at the archive are items relating to the Portuguese explorations and discoveries in Africa, Asia and Latin America.