the most famous Bordeaux wines at the Paris Universal exhibition. The responsibility for drawing it up was given by the Bordeaux Chamber of Commerce to the "Bordeaux Trade Brokers". The idea was to establish a classification based on many years of trade experience, which was the recognition for each estate of its Terroir and reputation. Information, of course, came from the most reliable sources. Published on April 18,1855, the Classification was the confirmation of an existing market and the evolution over more than a century