History of Portuguese wine country unfavorable for viticulture, making the country a ready market for imported wines; its proximity to France, made French wines a natural source. At times the supply was threatened by political and military conflicts between the English and French crowns. New sources had to be found such as the wines of Portugal. Documents exist detailing Portuguese wine shipments from the Minho region to England occurring as early as the 12th century. These wines, including those from the wet northern region of modern-day Vinho Verde, were often light and astringent with noticeable acidity. Despite the new source, the variety of French
Portuguese wine due to religion the Arabs reduced wine production. During this period, some new varieties were added to the ancient ones, from Burgundy came the French varieties. And during the period of discoveries, Henry the Navigator brought to the newly discovered island of Madeira the Moscatel and Malvasia from the Greek Island of Crete. In the Reign of King Carlos, the "Região Demarcada do Vinho Verde" and the "Região Demarcada do Dão" among Colares, Carcavelos, Setúbal, and Madeira were created. In 1979, Bairrada was added and in 1980 the Algarve region (Lagoa, Lagos, Portimão, and Tavira) was finally demarcated. In 1998,