The San Francisco cocktail is a 1930s-era drink made with Gin, Dry Vermouth, and Sweet Vermouth. It's a refreshing, slightly sweet drink that's perfect for sipping on a warm day. The history of the San Francisco cocktail is unclear, but it's likely that it was invented in the city after which it's named. Whether you're a native San Franciscan or have visited, be sure to try this classic cocktail.