The Vlaams Nationaal Verbond (Dutch for "Flemish National Union"), widely known by its acronym VNV, was a Flemish nationalist political party active in Belgium between 1933 and 1945.}[3] It became the leading force of political collaboration in Flanders during the German occupation of Belgium in World War II. Authoritarian by inclination, the party advocated the creation of a "Greater Netherlands" (Dietsland) combining Flanders and the Netherlands.