Editing Arlon (section)

===19th and 20th centuries===
In June 1815, after the defeat of [[Napoleon]] in the [[Battle of Waterloo]], Arlon went back to government of the Grand Duchy. By the [[Treaty of London, 1839|Treaty of London]] in 1839, the Grand Duchy became fully sovereign and in turn geographically larger western part of the duchy, i.e. the [[Luxembourg (province of Belgium)|province de Luxembourg]] including Arlon city was given to newly created Kingdom of Belgium.

Arlon was one of the first victims of the [[German Empire|German]] invasion in 1914 as 121 inhabitants were executed on 26 August, on the orders of Colonel [[Richard Karl von Tessmar]].

Its territory was again among the first to be invaded at the onset of [[World War II]]. Allies moved into Belgium on 10 May 1940 and Arlon was defended by French troops, but they were not able to stop the German invasion.