The International Bartenders Association (IBA) was founded in 1951 in the United Kingdom to represent the best bartenders in the world. One of its most important contributions is the list of 'IBA Official Cocktails.' This list ensures that a 'Negroni' or a 'Manhattan' tastes the same whether you order it in Tokyo, London, or New York. The cocktails are divided into three categories: 'The Unforgettables' (classics like the Martini), 'Contemporary Classics' (like the Tequila Sunrise), and 'New Era Drinks' (like the Espresso Martini). To be included, a drink must have a standardized recipe and global recognition. This standardization helped professionalize the craft of bartending and provided a common language for mixologists across the globe.