The wines produced in the Dão region enjoy an already secular reputation, and their typical characteristics have been legally recognized by the Charter of Law of 18 September 1908, which delimited their production area, and later by the Decree of May 25, 1910, which regulated its production and commercialization. In 1934, the Dão Wine Region (also known as the Dão Winery) was created, the first corporate body to control the region's destinations, and in 1942, after the creation of the National Wine Board (JNV) and the proliferation of Grain Breeding , The Dão Winery was replaced by the Dão Winemakers Federation (FVD).