The trademark of the Conservation Society of Marchio Storico Chianti Classico (Consortium of the Historical Brand Chianti Classico) founded in 1924. At that time there were 33 members, which have grown to over 600 today. These generate around 80% of the Chianti Classico, The "Black Rooster" is the historical symbol of the "Lega militare del Chianti", a kind of military Chianti confederation that ruled the territory from the 14th century onwards. According to a legend, a black rooster also played an important role in establishing the geographic boundaries of the country Chianti, Of the Medici court painter Giorgio Vasari (1511-1574) painted the black cock as an allegory of the Chianti Classico on the ceiling of the Salone dei Cinquecento in Florentine Palazzo Vecchio.
Formerly the Chianti Conservation Association was called "Consorzio del Gallo Nero", but the name part "Gallo Nero" was claimed by the Californian wine cultivator Gallo for themselves. After a long legal dispute, it was decided in 2005 that the designation "Gallo Nero" and the Black Rooster in combination outside Italy should no longer be used by the protection consortium. Therefore, the change had to be made to the above name. The second association "Vino Chianti Classico" has come to terms with the Consorzio after 18 years of strife in 2005. A common marketing concept was developed. Now, all the wines from the Chianti Classico region carry the Gallo-nero symbol next to the pink DOCG band. President of the Chianti Classico Consortium since the end of 2006 Marco Pallanti of Castello di Ama,