Cognac Birthday is celebrated worldwide every April 1, marking the beginning of the aging countdown for cognac, a type of grape brandy produced in the Cognac region of France. This date is significant in the industry as it is when distillate from the last harvest must be poured into casks, initiating the aging process. Cognac has a rich history dating back to the 12th century when vineyards were first planted in Poitou-Charentes, and it became a major port for wine trade. Over the centuries, the distillation process was refined, leading to the production of high-quality cognac, which received official AOC status in 1936. The most commonly used grape variety for cognac is Trebbiano, and the aging process requires a minimum of two years in oak casks. Cognac quality is classified into official grades, with older cognacs generally considered superior.