The commune of Walferdange was formed on 1 January 1851, when it was detached from the commune of
Steinsel. The law forming Walferdange was passed on 25 November 1850. Although the commune first came into existence in 1851, there is evidence of prehistoric settlement as well as remains of a very large
Roman villa. The
Raschpëtzer Qanat, an underground aqueduct near
Helmsange was built in the 1st century AD during the
Roman occupation. It is said to be the longest
qanat north of the Alps. Walferdange church was built between 1845 and 1852; the main features of its classical facade are two large statues of
Père Kolbe and
Thérèse de Lisieux, added at a later date. Before official unification of the commune, and even before this church was built, it was religion that pulled the villages of
Heisdorf,
Helmsange,
Bereldange and Walferdange together. Recognition of Walferdange as an important town came in 1850, when
Prince Henry, brother of
Grand Duke William III and Regent of Luxembourg, chose Walferdange as his seat of residence. After the independence of the
Grand Duchy of Luxembourg in 1867, the
Walferdange Castle was assigned to
Grand Duke Adolphe according to the
constitution. As an engaged
winemaker, he enthusiastically served his guests wine from his own production. The palace was later vacated by the Grand Ducal family. On 26 March 1943, during the
German occupation of Luxembourg, Nazi authorities merged the commune of Walferdange into
Luxembourg City, alongside
Strassen and parts of
Hesperange. This enlargement of city boundaries only lasted until the liberation of Luxembourg on 10 September 1944, when the previous boundaries were restored and Walferdange once again became a separate commune. ==Population==