Belgium–Luxembourg Economic Union Belgium–Luxembourg Economic Union The Belgium–Luxembourg Economic Union (, , ), abbreviated to BLEU or UEBL, is an economic union between Belgium and Luxembourg, two countries in the Benelux Union. BLEU was created by a treaty, signed on 25 July 1921, despite a referendum against such a proposal, between Belgium and Luxembourg, and came into effect upon ratification by the Luxembourg Chamber of Deputies on 22 December 1922. Under the terms of the treaty, the economic frontier was lifted and the Belgian franc and Luxembourg franc were set at a fixed parity (though revised in 1935 and 1944) establishing a monetary
Belgium–Netherlands relations Belgium–Netherlands relations Belgian–Dutch relations refer to interstate relations between the Belgium and the Netherlands. It can be seen as one of the closest international relationships in existence, marked by shared history, culture, institutions and language, extensive people-to-people links, aligned security interests, sporting tournaments and vibrant trade and investment cooperation. Relations were established after Belgium became independent from the United Kingdom of the Netherlands in 1839. Both nations are great allies with cultural similarities and close cooperation between both governments. The language spoken in Belgium is known as "Nederlands/Dutch", is the most-spoken language in both countries. Approximately 35,000 Belgian nationals live