Original: The treaty establishing the Benelux Economic Union (Benelux Economische Unie/Union Économique Benelux) was signed on February 3, 1958 and came into force in 1960 to promote the free movement of workers, capital, services, and goods in the region.
Simplified: The treaty establishing the Benelux Economic Union (Benelux Economische Unie/Union Économique Benelux) was signed February 3, 1958 and came into force in 1960 to promote the free movement of workers, capital, services, and goods in the region.