The origins of vermouth aren't entirely known. Recipes for infusing white wine date back to ancient Greece from around 400 BC, wormwood wine also played a key role in India around 1500BC, some say it goes back as far as China at least as early as the Shang and Western Zhou dynasties (1250-1000 BC). Regardless of its beginnings, historians agree that what eventually led to vermouth was a mixture of wormwood and wine. The name vermouth is inherited from the earlier German wormwood-infused wines known as wermut, that has been used as an ingredient in the drink over its history.
Commercial production of the version we know today is linked to 18th-century Turin, Italy. At about this time an Italian merchant named D'Alessio began producing a similar product in Piedmont as a "wormwood wine". The first commercial vermouth was Carpano, founded in 1786. Sweet-style vermouth. A legal decree made the official style of vermouth in Turin be the sweet "rosso" style. By the mid-17th century, the drink was being consumed in England under the name "vermouth" which has been the common name for the beverage until the present day.