History of Portuguese wine much to spread viticulture and winemaking further north. Portuguese wines were first shipped to England in the 12th century from the Entre Douro e Minho region (which today includes modern Portuguese wine regions such as the douro and vinho verde). In 1386, Portugal and England signed the Treaty of Windsor which fostered close diplomatic relations between the two countries and opened the door for extensive trade opportunities. The 1703 Methuen Treaty furthered advanced English economic interest in Portugal by reducing tariffs and giving Portuguese wines preferential treatment in the British wine market over French wines. Around this time, the fortified
Vinho Verde Croft as taking place in 1788. The arrival of maize in the 16th century left a distinctive stamp on viticulture in the region. To maximise production of maize, new regulations banished vines to the field margins, where they would be draped over trees and hedges, forcing the vignerons to pick them from tall ladders. Today, you can find some examples of vines trained by the old methods, but most of the Vinho Verde Region is now using modern methods, which give larger and better yield. The "Vinho Verde Region" was demarcated by the law of September 18, 1908 and a