NS Documentation Centre of the City of Cologne NS Documentation Centre of the City of Cologne The NS Documentation Centre of the City of Cologne () was founded by a resolution passed by the Cologne city council on December 13, 1979 and has become the largest regional memorial site in all of Germany for the victims of the Nazis. Since 1988, it has been housed in "EL-DE Haus," the EL-DE building, named for the initials of its owner, Catholic businessman Leopold Dahmen. This building was the headquarters of the Cologne Gestapo (secret police) between December 1935 and March 1945. In the final months of the war, several hundred
Cologne Cologne's economy prospered for two main reasons. The first was the growth in the number of media companies, both in the private and public sectors; they are especially catered for in the newly developed Media Park, which creates a strongly visual focal point in Cologne city centre and includes the "KölnTurm", one of Cologne's most prominent high-rise buildings. The second was the permanent improvement of the diverse traffic infrastructure, which made Cologne one of the most easily accessible metropolitan areas in Central Europe. Due to the economic success of the Cologne Trade Fair, the city arranged a large extension to