Belgium–France border provinces of West Flanders (Flemish Region) and Hainaut, Namur and Luxembourg (Walloon Region). The French side of the border is shared by, from north to south, the departments of Nord and Aisne (region of Hauts-de-France) and Ardennes, Meuse and Meurthe-et-Moselle (region of Grand Est). Belgium–France border The <dfn>Belgium–France border</dfn> separates France and Belgium countries and is 620 km long. Part of it is defined by the Leie river. The western end is at the North Sea ( near De Panne and Bray-Dunes). The eastern end is at the Belgium–France–Luxembourg tripoint (at near Athus and Mont-Saint-Martin). The straight distance between these
History of France of the continent, including France, to be drawn into war within a few short weeks. Austria-Hungary declared war on Serbia in late July, triggering Russian mobilization. On 1 August both Germany and France ordered mobilization. Germany was much better prepared militarily than any of the other countries involved, including France. The German Empire, as an ally of Austria, declared war on Russia. France was allied with Russia and so was ready to commit to war against the German Empire. On 3 August Germany declared war on France, and sent its armies through neutral Belgium. Britain entered the war on 4