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
Walibi Belgium the events the park is known for is Halloween, traditionally during the last weekends of October and autumn holiday in Belgium. During Halloween, Walibi Belgium transforms into hell on earth with scary entertainment and other festivities. The park started celebrating Halloween in 2000 on a small scale, leading it to be one of the biggest Halloween events in Belgium, the Netherlands and Luxembourg. Since 2008, Walibi Belgium introduced a storyline around the event which is still running in 2013. Every year, the story has an open ending, making visitors curious for the following year. This happens during a finale show,