History of Cologne was considered a substitute for the German University of Strasbourg, which became part of France along with the rest of Alsace. Cologne prospered during the Weimar Republic and progress was made especially in governance, city planning and social affairs. Social housing projects were considered exemplary and were copied by other German cities. As Cologne competed to host the Olympics, a modern sports stadium was erected at Müngersdorf. Beginning of the 1920s civil aviation was permitted once more, and Cologne Butzweilerhof Airport soon became a hub for national and international air traffic, second in Germany only to Berlin Tempelhof Airport. At
History of the Jews in Cologne there were violent attacks by the SA and SS against Jewish lawyers in the Justice building on Reichensperger Platz. Judges and lawyers were arrested, partly mistreated, then loaded on garbage trucks and taken around the city. In October 1935 Jews were excluded from the benefits of the "Winterhelp of the German People", and a "Jewish Winterhelp" was organized as an autonomous organization. It collected money,food, clothing, furniture and fuel and in winter 1937/38 the organisation supported 2,300 indigent people, a fifth of Jewish community. Although already in 1925 Cologne was the capital of the NSDAP-Gau of Cologne-Aachen, many didn't realize