Manhattan is a classic cocktail that originated in the late 1800s on Manhattan Island in New York City. Traditionally, it consists of rye whiskey, sweet vermouth, and a dash of bitters, usually of the Angostura variety or orange bitters.
However, in some variations, it can also be made with bourbon, blended whiskey, Tennessee whiskey, or Canadian whiskey, which was primarily used during the prohibition period due to its availability. Some of the most popular variations of this classic cocktail are Rob Roy, Dry Manhattan, Perfect Manhattan, Brandy Manhattan, Metropolitan and Cuban Manhattan.