Wine from the United Kingdom Normans, with over 40 vineyards in England mentioned in the Domesday Book, although much of what was being produced was for making communion wine for the Eucharist. From the Middle Ages, the English market was the main customer of clarets from Bordeaux, France, helped by the Plantagenet kingdom, which included England and large provinces in France. In the 18th century, the Methuen Treaty of 1703 imposed high duties on French wine. This led to the English becoming a main consumer of sweet fortified wines like sherry, port wine, and Madeira wine from Spain and Portugal. Fortified wine became popular because
Chablis wine notes. Of all the Grand Cru vineyards Les Clos is the largest in area at . Hugh Johnson describes the wines from this Grand Cru as having the best ageing potential among Chablis and developing Sauternes-like aromas after some bottle age. The Union des Grand Crus de Chablis (UGCC) was launched in March 2000, as a syndicate restricted to Grand Cru proprietors, with mission "to defend and promote the quality of Chablis Grand Cru wines". Members are bound to abide by a charter which covers wine making and sales. Grand Cru makers must submit their wines to a tasting committee