Ruhr the Duisburg Mercatorhalle, the Saalbau Essen or the Dortmunder Philharmoniker. Each year in spring time, there is the Klavier-Festival Ruhr in the Ruhr area with 50 to 80 events of classical and jazz music. With more than 50 museums, Ruhr has one of the largest variety of museums in Europe. Industrial Museum The city of Essen (representing the Ruhr) was selected as European Capital of Culture for 2010 by the Council of the European Union. The Ruhr region has with 22 universities and colleges and more than 250,000 students, the highest density of further education establishments anywhere in Germany. These
Battle of the Ruhr the Ruhr, Bomber Command estimated about 70% of their aircraft losses were due to fighters. By July 1943, the German night fighter force totalled 550. Through the summer of 1943, the Germans increased the ground-based anti-aircraft defences in the Ruhr Area; by July 1943 there were more than 1,000 large flak guns (88 mm caliber guns or greater) and 1,500 lighter guns (chiefly 20 mm and 37 mm calibre). This was about one-third of all anti-aircraft guns in Germany. Six-hundred thousand personnel were required to man the AA defences of Germany. The British crews called the area sarcastically "Happy Valley"