Aging of wine that is aged is rarely aged for long; it is estimated that 90% of wine is meant to be consumed within a year of production, and 99% of wine within 5 years. The Ancient Greeks and Romans were aware of the potential of aged wines. In Greece, early examples of dried "straw wines" were noted for their ability to age due to their high sugar contents. These wines were stored in sealed earthenware amphorae and kept for many years. In Rome, the most sought after wines—Falernian and Surrentine—were prized for their ability to age for decades. In the Book of
History of Portuguese wine History of Portuguese wine The history of Portuguese wine has been influenced by Portugal's relative isolationism in the world's wine market, with the one notable exception of its relationship with the British. Wine has been made in Portugal since at least 2000 BC when the Tartessians planted vines in the Sado and Tagus valleys. By the 10th century BC, the Phoenicians had arrived and introduced new grape varieties and winemaking techniques to the area. Up until this point, viticulture was mostly centered on the southern coastal areas of Portugal. In later centuries, the Ancient Greeks, Celts and Romans would do