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
Partition of Belgium invasions, as the upper class language, not only at the court but also in the administration and in the political circles. Antagonism between speakers of French and Dutch increased after the independence of Belgium in 1830, when residents of the Southern Netherlands rebelled against the newfound hegemony of the northern provinces of the United Kingdom of the Netherlands. Major European powers were divided in opinion over the fallout of the revolution. Ultimately, the state of Belgium, composed of provinces of both French-speaking and Dutch-speaking people, gained independence as a buffer state between France and the Netherlands. French became the sole