History of Cologne (Cologne Tower), one of Cologne's most prominent highrises. Secondly, a permanent improvement in traffic infrastructure, which makes 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 the fair site in 2005. The original buildings, which date back to the 1920s, are rented out to RTL, Germany's largest private broadcaster, as their new corporate headquarters. A controversy started after Muslims in Cologne sought to build a mosque. Most important for the history of Cologne since the Middle Ages is the Cologne
History of the Jews in Cologne that an attempt was made immediately to re-establish a full community, rather than allowing only a few Jews to settle at a time, as was the procedure of most other large towns. In 1424, Jews were banned from the town "for eternity". Following the medieval pogroms and expulsion of 1424, many Jews of Cologne emigrated to central or northern European countries like Poland and Lithuania, then part of the "Ordensstaat" of the Teutonic Order. The offspring of these emigrants returned to Cologne at the beginning of the 19th century and lived mainly in the area of Thieboldsgasse on the southeast