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
Strasbourg and the Étoile Noire (ice hockey). The women's tennis Internationaux de Strasbourg is one of the most important French tournaments of its kind outside Roland-Garros. In 1922, Strasbourg was the venue for the XVI Grand Prix de l'A.C.F. which saw Fiat battle Bugatti, Ballot, Rolland Pilain, and Britain's Aston Martin and Sunbeam. Honours associated with the city of Strasbourg. In chronological order, notable people born in Strasbourg include: Eric of Friuli, Johannes Tauler, Sebastian Brant, Jean Baptiste Kléber, Louis Ramond de Carbonnières, François Christophe Kellermann, Marie Tussaud, Ludwig I of Bavaria, Charles Frédéric Gerhardt, Louis-Frédéric Schützenberger, Gustave Doré, Émile Waldteufel,