The Martini is a cocktail made with gin and vermouth. The proportions of gin and vermouth may vary, but the classic Martini is made with 2 parts gin to 1 part vermouth.

The Martini was invented in the 1860s by a bartender named Jerry Thomas. It was originally called a Martinez, after the town of Martinez, California. The Martini became popular during the Prohibition era, when people were looking for ways to make cocktails with limited ingredients.

The Martini is …