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
Cologne Carnival At that time, Cologne was the largest central European city, having a huge percentage of agricultural land inside its walls and the farmers guild was well respected and influential). The sword and the flail symbolize his loyalty to the empire and his truthfulness. As the keeper of the city, he also keeps the city keys at his girdle. The key symbolizes the heroes of the city militia contingent in the Battle of Worringen AD1288, whereafter the city achieved independence from the archbishop of Cologne. The "maiden", also called "" (Her Loveliness) symbolizes the patronizing mother Colonia and is traditionally played