Districts of Cologne within city limits), while 174,87 km² (43.2 percent) lie right of the Rhine. In regard to population, Cologne is the largest city in the state of North Rhine-Westphalia and the fourth largest city in Germany. Since the city's foundation in 38 BC, Cologne grew through numerous extensions and incorporation of surrounding municipalities. Since the construction of the Medieval wall in 1180, the area of the old imperial city of Cologne has not changed for more than 600 years and was only extended over the old city walls in 1794, just short before the arrival of French troops and Cologne's incorporation
History of the Jews in Cologne origin in southern France, but quickly snowballed across the Continent. They formed the background for a murderous pogrom on 23/24 August 1349 in Cologne. There is a letter of the Cologne Council to the council of Strassburg in which the Cologne Council expresses concern about an anti-Jewish incident in Strassburg and warns insistently against an escalation. The Jews and their possessions were protected by letters of protection or consolation, which had to be considered. In the same letter the Cologne Council make clear that they would decidedly protect their own Jews. The council of Strassburg, however, having initially taken a