The Holocaust in Belgium the country before World War I. The interwar period saw substantial Jewish immigration to Belgium. By 1930, the population rose to 50,000, and by 1940 it was between 70,000–75,000. Most of the new Jewish immigrants came from Eastern Europe and Nazi Germany, escaping anti-Semitism and poverty in their native countries. The Roma population of Belgium at the same time was approximately 530. Few of the Jewish migrants claimed Belgian citizenship, and many did not speak French or Dutch. Jewish communities developed in Charleroi, Liège, Brussels and, above all, Antwerp, where more than half of the Jews in Belgium lived. The
Art of Belgium the Art Nouveau style, coined as a style in Paris by Bing. The Art Nouveau style enjoyed considerable popularity in Belgium until after the First World War. Numerous houses around Belgium in the Art Nouveau style designed by Victor Horta survive (though not his masterpiece, the Maison du Peuple) which are classified as by UNESCO as a World Heritage Site. Comic art (known as "bande dessinée" or the "9th Art") first became popular in Belgium in the 1920s, but achieved huge popularity internationally after the Second World War. It is considered an essential part of Belgian visual culture, as well