Bordeaux Wine Official Classification of 1855 Bordeaux Wine Official Classification of 1855 The Bordeaux Wine Official Classification of 1855 resulted from the 1855 Exposition Universelle de Paris, when Emperor Napoleon III requested a classification system for France's best Bordeaux wines that were to be on display for visitors from around the world. Brokers from the wine industry ranked the wines according to a château's reputation and trading price, which at that time was directly related to quality. The wines were ranked in importance from first to fifth growths ("crus"). All of the red wines that made it on the list came from the Médoc region except
Bordeaux wine confluence of the Dordogne and Garonne Rivers, which flow into the Gironde. These rivers define the main geographical subdivisions of the region: In Bordeaux the concept of "terroir" plays a pivotal role in wine production with the top estates aiming to make "terroir" driven wines that reflect the place they are from, often from grapes collected from a single vineyard. The soil of Bordeaux is composed of gravel, sandy stone, and clay. The region's best vineyards are located on the well-drained gravel soils that are frequently found near the Gironde river. An old adage in Bordeaux is the best estates