Ancient Greece and wine help satisfy demand. Wine historians have theorized that the Greeks may have introduced viticulture to Spain and Portugal, but competing theories suggest that the Phoenicians probably reached those areas first. The grape clusters, vines and wine cups that adorn Greek coins from classical times bear witness to the importance of wine to the ancient Greek economy. With every major trading partner, from the Crimea, Egypt, Scythia, Etruria and beyond, the Greeks traded their knowledge of viticulture and winemaking, as well the fruits of their own production. Millions of amphora pieces bearing the unique seals of various city-states and Aegean islands
Ancient Rome and wine Romans brought with them a taste for wine and the impetus to plant vines. Trade was the first and farthest-reaching arm of their influence, and Roman wine merchants were eager to trade with enemy and ally alike—from the Carthaginians and peoples of southern Spain to the Celtic tribes in Gaul and Germanic tribes of the Rhine and Danube. During the Gallic Wars, when Julius Caesar brought his troops to Cabyllona in 59 BC, he found two Roman wine merchants already established in business trading with the local tribes. In places like Bordeaux, Trier and Colchester where Roman garrisons were established,