The city dates its origins to the establishment of a fort by [[Charlemagne]] in AD 808. Much of the historic city center was destroyed in raids by the allied air forces in July and August 1943, which unleashed a firestorm during which some 50,000 people perished. | The city dates its origins to the establishment of a fort by [[Charlemagne]] in AD 808. Much of the historic city center was destroyed in raids by the allied air forces in July and August 1943, which unleashed a firestorm during which some 50,000 people perished. |