History of Belgium on matters of religion and, in recent decades, it has faced new divisions over differences of language and unequal economic development. This ongoing antagonism has caused far-reaching reforms since the 1970s, changing the formerly unitary Belgian state into a federal state, and repeated governmental crises. It is now divided into three regions: Flanders (Dutch-speaking) in the north, Wallonia (French-speaking) in the south, and bilingual Brussels in the middle. There is also a German-speaking population along the border with Germany that was granted to Prussia in the Congress of Vienna in 1815 but added to Belgium following the 1919 Treaty of
German-speaking Community of Belgium in the border region next to the Grand Duchy of Luxembourg speak Luxembourgish, a West Central German language, they are not considered part of the German-speaking Community. The German-speaking Community of Belgium is composed of the German-speaking parts of the lands that were annexed in 1920 from Germany. In addition, in contemporary Belgium there are also some other areas where German is or has been spoken (the difference line between German, Dutch, Luxembourgish and Limburgish is very slight since they are all part of the same dialect continuum) that belonged to Belgium even before 1920, but they are not currently