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
Luxembourg at the 1920 Summer Olympics advance past the initial heats in the sprint event, and did not finish the 50 kilometres. Luxembourg competed in the Olympic football tournament for the first time. The team lost to the Netherlands in the first round. Three weightlifters represented Luxembourg in 1920. It was the nation's debut in the sport. Alzin won the country's first medal in the sport, a silver in the heavyweight. Two wrestlers, both in the Greco-Roman style, competed for Luxembourg in 1920. Both men lost all of their matches. Luxembourg at the 1920 Summer Olympics Luxembourg competed at the 1920 Summer Olympics in Antwerp, Belgium.