Historical Archive of the City of Cologne up at the site of the collapse (a large hole in the ground), where around 95% of all archival items could be held until August 2011, albeit scattered and in many cases badly damaged. Archive repositories all over Germany offered space to store the damaged and only roughly cleaned documents: wet materials were flash-frozen to prevent mold growth. "Itinerant archivists" worked in the receiving archives all over the country and began the task of re-identifying and re-cataloging. A newly installed centre for restoration and digitization on the outskirts of Cologne started working in 2011, with a total cost for restoring
History of the Jews in Cologne History of the Jews in Cologne The history of the Jews in Cologne is documented from the year 321 AD, almost as long as the history of Cologne. Over its history, the Jewish community of Cologne has suffered persecutions, many expulsions, massacres and destruction. The community numbered about 19,500 people before its dispersal, murders and destruction in the 1930s by the Nazis before and during World War II. The community has re-established itself and now numbers about 4,500 members. Because of its historical continuity, today's Jewish synagogue calls itself the "oldest Jewish congregation north of the Alps". Cologne was founded