History of Bordeaux wine became the base for Richard's French operations. As the popularity of Bordeaux wine increased, the vineyards expanded to accommodate the demands from abroad. Henry and Aliénor youngest son, John was in favor of promoting the wine industry, and to increase it further, abolished the "Grande Coutume" export tax to England from the Aquitaine region. In the 13th and 14th century, a code of business practices called the "police des vins" emerged to give Bordeaux wine a distinct trade advantage over its neighboring regions. The citizenry of Bordeaux worked diligently to promote and foster their relationship with the English market. In
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