Greyhound (cocktail) similar cocktail with the name "Greyhound" appears in Harper's magazine in 1945 (volume 191, page 461) thus: ""The cocktails were made of vodka, sugar, and canned grapefruit juice -- a greyhound. This cocktail was served at Greyhound's popular restaurant chain that was located at bus terminals, called 'Post House'."" Before 1945, vodka was an uncommon spirit and most drinks we think of today as "classic cocktails" and which call for vodka, originally would have contained gin. As vodka's popularity grew after the War and gin's popularity waned, many of the popular cocktails persisted, albeit with vodka substituted for gin. The
Havana Club International Cocktail Grand Prix the competition. In the 8th International Cocktail Grand Prix in May 2010, bartenders were judged on the following criteria- their knowledge, their mixing techniques, the quality of their drinks, and their overall image. Competitors are permitted to bring their own barware, tools, and ingredients. Each competitor has 10 minutes to prepare three original cocktails. The first cocktail must use Havana Club rum as its base and the second must use Havana Añejo 7 Años. The third cocktail must be a reinvention of a classic Cuban rum cocktail. While preparing their drinks the participants must be able to hold a conversation