Bordeaux red and white wines are made in Bordeaux. Red Bordeaux is called claret in the United Kingdom. Red wines are generally made from a blend of grapes, and may be made from Cabernet Sauvignon, Merlot, Cabernet Franc, Petit verdot, Malbec, and, less commonly in recent years, Carménère. White Bordeaux is made from Sauvignon blanc, Sémillon, and Muscadelle. Sauternes is a sub-region of Graves known for its intensely sweet, white, dessert wines such as Château d'Yquem. Because of a wine glut (wine lake) in the generic production, the price squeeze induced by an increasingly strong international competition, and vine pull schemes,
History of French wine known as chaptalization. Chaptal's treatise was a turning point in the history of wine technology as it synthesized the knowledge current to the beginning of the 19th century. By the mid 19th century, the wine industry of France enjoyed a golden period of prosperity. A new class of consumers, the bourgeoisie, emerged as a strong market for wine and other culinary products. The Gironde region of Bordeaux, in particular, enjoyed a swell of interest from both the Parisian market as well as its steady trade with England. For the 1855 Paris Exposition, Emperor Napoleon III commissioned the Bordeaux merchants to