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
Historical Archive of the City of Cologne Rhine-Westphalia is based on the "Archivgesetz des Landes NRW" bill of 1989. The municipal archive of Cologne is also governed by the municipal archive ordinance "Archivsatzung" (last revised in 2007). The federal "Bundesarchivgesetz" bill does not apply. An early programme of holding archival records in Cologne was the so-called "Schreinswesen" (shrine system), used for documenting citizens' rights. A "Schrein" (shrine, from Latin "scrinium") was a wooden chest or cabinet where parish administrations stored records and charters. Such shrines were used for records storage throughout the Middle Ages and into early modern times, most notably in the parish of St. Lawrence