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
Byzantine Greeks the West, such as texts relating to the Council of Florence, to present the Western viewpoint. The ancient name "Hellenes" was synonymous to "pagan" in popular use, but was revived as an ethnonym in the Middle Byzantine period (11th century). While in the West the term "Roman" acquired a new meaning in connection with the Catholic Church and the Bishop of Rome, the Greek form "Romaioi" remained attached to the Greeks of the Eastern Roman Empire. The term "Byzantines" or "Byzantine Greeks" is an exonym applied by later historians like Hieronymus Wolf; the "Byzantines" continued to call themselves "Romaioi" (Romans)