Languages of the European Union which is understood by 51% of all adults, while German is the most widely used mother tongue, spoken by 18%. All 24 official languages of the EU are accepted as working languages, but in practice only two – English and French – are in wide general use and of these English is the more commonly used. French is an official language in all three of the cities that are political centres of the Union: Brussels (Belgium), Strasbourg (France) and Luxembourg City (Luxembourg). , the official languages of the European Union, as stipulated in the latest amendment of "Regulation No 1
History of Strasbourg its flourishing economy attracted many Germans. This could explain the difference between the rural vote and the one in Strasbourg. After the war, many Germans left Strasbourg and returned to Germany; some of them were denounced by the locals or expelled by the newly appointed authorities. The Saverne Affair remains vivid in the memory of many Alsatians. In 1920, Strasbourg became the seat of the Central Commission for Navigation on the Rhine, previously located in Mannheim, one of the oldest European institutions. It moved into the former Imperial Palace. When the Maginot Line was built, the "Sous-secteur fortifié de Strasbourg"