This study aims to marry together the historical information concerning the original scenario that was based on both primary and multimedia archival sources of the interactive, immersive Virtual Reality experience of the infamous Block 15 of the Haidari Concentration Camp in Western Athens developing by AUEB and financed by the German Federal Foreign Office through funds of the German-Greek Future Fund and the conceptual modeling of its historical information followed by the creation of a database that will contain both (scenario’s and bibliography’s) historical information and SPARQL quires for retrieving historical information. The goal of the task of documentation of the historical information is to enable researchers to verify that the scenario’s historical information is highly and truly based on the historical information of bibliography. Also, through the documentation process additional historical information is added. Ιn this way the user will learn more information about the Haidari’s Concentration Camp.