Belgium–Luxembourg Economic Union entrusted to a Board of Directors consisting of two Belgian members (including the chairman) and one Luxembourgish member, and the Higher Council of the Union (with three Belgian and two Luxembourgish members). 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
Spanish Netherlands Spanish Netherlands Spanish Netherlands (; ; , ) was the collective name of States of the Holy Roman Empire in the Low Countries, held in personal union by the Spanish Crown (also called Habsburg Spain) from 1556 to 1714. This region comprised most of the modern states of Belgium and Luxembourg, as well as parts of northern France, southern Netherlands, and western Germany with the capital being Brussels. The Imperial fiefs of the former Burgundian Netherlands had been inherited by the Austrian House of Habsburg from the extinct House of Valois-Burgundy upon the death of Mary of Burgundy in 1482.