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
Terminology of the Low Countries English. Many languages however, do have a cognate or calque derived from the Dutch adjective "Nederlands": Toponyms: The Low Countries () refers to the historical region "de Nederlanden": those principalities located on and near the mostly low-lying land around the Rhine–Meuse–Scheldt delta. That region corresponds to all of the Netherlands, Belgium and Luxembourg, forming the Benelux. The name "Benelux" is formed from joining the first two or three letters of each country's name Belgium, Netherlands and Luxembourg. It was first used to name the customs agreement that initiated the union (signed in 1944) and is now used more generally to