White wine process of secondary fermentation of champagne. The enrichment of some of the population created a craze for rare wines. This phenomenon, which was already responsible for the development of sherry in England, was reproduced in Central Europe. The discovery of the benefits of the noble rot on white grapes took place around 1650 in Hungary for the development of Tokaji wine. Hugh Johnson declared that: "the Tokay of three centuries ago was the best sweet wine in the world, it was inherited from a long-standing winemaking tradition". Developed with a grape whose exceptional maturity is due to a trade secret,
Luxembourg wine of produce were now consumed domestically, while the rest was exported, mostly to Belgium. The Moselle area was the only region of the country which had opted for Belgium over France as an economic partner in the referendum of 1919. During 1983-1987, 57% of produce was exported, four-fifths of this to Belgium. All official wine designations in Luxembourg are French language terms. One single appellation is used for all of Luxembourg: "Moselle Luxembourgeoise". This designation, usually referred to as the "Marque Nationale" (national seal), indicates that the wine is made entirely from Luxembourgian grapes and fulfills certain requirements. The "Marque