Title: European route E314
Content: E 314 will be known to English speakers by different names according to when it was adopted into English language. Most known at the eastern end of the road is Aachen still known to English speakers (and in their nineteenth century literature) by its French name as "Aix" or "Aix-la-Chapelle", while road signs in Belgian Limburg eventually still mention the Dutch name "Aken". At the western end of the road Leuven is located in the Dutch speaking region, although in foreign (French, English, German ...) maps or literature "Louvain" (which has never been the city's official name) may still appear.

Title: Congress of Aix-la-Chapelle (1748)
Content: France"; F. A. Wenk, "Corpus juris gentium recentissimi", 1735–1772, vol. ii. (Leipzig, 1786), p. 337; Comte G. de Garden, "Hist. des traites de paix", 1848–1887, iii. p. 373. Congress of Aix-la-Chapelle (1748) On 24 April 1748 a congress assembled at the Imperial Free City of Aachen, in the west of the Holy Roman Empire. This Congress of Aachen is often referred to as "Congress of Aix-la-Chapelle" using the French name of Aachen. It was the purpose of the congress to bring to a conclusion the struggle known as the War of Austrian Succession. Between 30 April and 21 May the

Title: Free Imperial City of Aachen
Content: the Treaty of Lunéville, Aachen was incorporated in the French First Republic as chief town in the Roer department. Later, the Congress of Vienna gave Aachen to the Kingdom of Prussia. Free Imperial City of Aachen The Free Imperial City of Aachen, also known in English by its French name of Aix-la-Chapelle, was a Free Imperial City and spa of the Holy Roman Empire west of Cologne and southeast of the Low Countries, in the Lower Rhenish–Westphalian Circle. The pilgrimages, the Coronation of the Holy Roman Emperor, flourishing industries and the privileges conferred by various emperors made it one of

Title: Congress of Aix-la-Chapelle (1748)
Content: Congress of Aix-la-Chapelle (1748) On 24 April 1748 a congress assembled at the Imperial Free City of Aachen, in the west of the Holy Roman Empire. This Congress of Aachen is often referred to as "Congress of Aix-la-Chapelle" using the French name of Aachen. It was the purpose of the congress to bring to a conclusion the struggle known as the War of Austrian Succession. Between 30 April and 21 May the preliminaries were agreed to between Great Britain, France and the Dutch Republic, and to these Maria Theresa, queen of Bohemia and Hungary, the kings of Sardinia and Spain,

Title: Free Imperial City of Aachen
Content: Free Imperial City of Aachen The Free Imperial City of Aachen, also known in English by its French name of Aix-la-Chapelle, was a Free Imperial City and spa of the Holy Roman Empire west of Cologne and southeast of the Low Countries, in the Lower Rhenish–Westphalian Circle. The pilgrimages, the Coronation of the Holy Roman Emperor, flourishing industries and the privileges conferred by various emperors made it one of the most prosperous market towns of the Holy Roman Empire. In 1166, Aachen was given imperial immediacy and declared a Free Imperial City of the Holy Roman Empire by Emperor Frederick

Question: Which German city is known as "Aix-la-Chapelle in French?
Answer: Aachen