Graves (wine region) in this area. At that time, the Médoc subregion north of the city Bordeaux still consisted of marshland unsuitable for viticulture, while Graves were naturally better-drained. Château Pape Clément, founded at the turn of the 14th century by the future Pope Clement V, was the first named chateaux in all of Bordeaux. In 1663, Samuel Pepys' mention of Château Haut-Brion was the first recorded mention of French claret in London. After Médoc was drained by the Dutch in mid-17th century, Médoc gradually took over the role as the source of the most prized Bordeaux wines. In the Bordeaux Wine Official
History of French wine the Christian Church made many advances in French winemaking and viticulture with the study and observation of key vineyards sites, identifying the grape varieties that grew best in certain regions and discovering new methods of production. In 1531 it was a monk in the Languedoc region of Limoux that discovered the process of turning still wine into sparkling wine. Though the widespread tale of Dom Pérignon "inventing" the sparkling wine known as Champagne is inaccurate, the Benedictine monk nonetheless made several important contributions to the history of French wine. In 1668, Brother Pierre Perignon was appointed treasurer of the abbey