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
Swedish-speaking population of Finland with a significant Swedish-speaking population such as Helsinki and Turku, most of them are fluent in both Swedish and Finnish. Although in some municipalities Swedish is the only official language, Finnish is the dominant language in most towns and at most employers in Finland. In areas with a Finnish-speaking majority, Finnish is most often used when interacting with strangers and known Finnish speakers. However, 50% of all Swedish speakers live in areas in which Swedish is the majority language and in which they can use Swedish in all or most contexts (see demographics below). Of the Swedish-speaking population of Finland: