History of Belgium from Korea in 1955. On September 5, 1944, the Benelux Customs Union was created. It entered into force in 1948, and ceased to exist on 1 November 1960, when it was replaced by the Benelux Economic Union after a treaty signed in The Hague on February 3, 1958. The Benelux Parliament was created in 1955. The Treaty of Brussels, signed on 17 March 1948 by Belgium, the Netherlands, Luxembourg, France, and the United Kingdom, is considered the precursor to the NATO agreement, which Belgium became an official member of on April 4, 1949. The headquarters of NATO are located in
Luxembourg in World War II Luxembourg to attempt to reach an agreement with the occupiers whereby Luxembourg could continue to preserve some independence while remaining a Nazi protectorate, and called for the return of the Grand Duchess. All possibility of compromise was eventually lost when Luxembourg was effectively incorporated into the German "Gau Koblenz-Trier" (renamed "Gau Moselland" in 1942) and all its own government functions were abolished from July 1940, unlike occupied Belgium and the Netherlands which preserved their state functions under German control. From August 1942, Luxembourg was officially made part of Germany. From August 1940, speaking French was forbidden by proclamation of Gustav