Economy of Belgium increased unemployment, stemming from the worldwide banking crisis. For 50 years through World War II, French-speaking Wallonia was a technically advanced, industrial region, with its industry concentrated along the sillon industriel, while Dutch-speaking Flanders was predominantly agricultural with some industry, mainly processing agricultural products and textiles. This disparity began to fade during the interwar period. When Belgium emerged from World War II with its industrial infrastructure relatively undamaged thanks to the Galopin doctrine, the stage was set for a period of rapid development, particularly in Flanders. The postwar boom years, enhanced by the establishment of the European Union and NATO
Day of the German-speaking Community Day of the German-speaking Community The Day of the German-speaking Community is a holiday in Belgium celebrated on 15 November each year. It is a public holiday for the German-speaking Community of Belgium but it is not celebrated elsewhere in the country. The equivalents of the other communities are the Day of the Flemish Community (11 July) and the Day of the French-speaking Community (27 September). The ceremony coincides with the King's Feast. The German-speaking Community measures over 853 km (329 sq miles) in the Belgian region of Wallonia, and is made up of two territories consisting of nine municipalities.