So what exactly is Pimm's No. 1?

Essentially, it's a gin-based liqueur. James Pimm, a farmer's son who owned an oyster bar in 19th-century London, created and offered his guests this secret mix of gin, quinine, and a spice blend as a tonic to aid digestion. Today it's 25 percent alcohol by volume, or 50 proof.

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The Pimm’s Cup is a classic British favorite, even among royals like King Charles.

Where does the "cup" part come from?

Simple: Pimm served his drink in a tankard that he called a "No. 1 Cup."

Variations on the theme

As any Pimm's enthusiast will likely be happy to tell you, there are lots of ways to mix up a batch. In addition to—or instead of—the above ingredients, you can add:

  • Sprite, 7UP, or other lemon-lime soda
  • Ginger ale or ginger beer
  • Lemon juice (with our without sugar)
  • Slices of any citrus fruit (lemon, lime, orange, etc.). Apple slices are also nice, though be careful not to turn your Pimms Cup into sangria.

Of course, the Pimm's Cup isn't the only way to enjoy the liqueur—from tropical twists to warm winter sips, and of course, sparkling options, there are plenty of other delicious cocktails to be made with Pimm's.

Pimm's No. 1 Cup

Pimm's No. 1 Cup

Pimm's No. 1 Cup

$15 at Drizly

How it became the traditional cocktail of Wimbledon

Pimm's was so popular at the oyster bar that James Pimm started selling it around London for "three shillings a bottle" in the 1800s. Commercial distribution followed in 1865, as did other "cup" variations including ones made with Scotch, rum, brandy, rye whiskey, and vodka. Of those, only the vodka-based Pimm's No. 6 remain.

Pimm's caught on with the British and became popular at prestigious events like the Chelsea Flower Show and the Henley Royal Regatta, along with becoming the go-to drink at British university garden parties. A Pimm's bar first popped up at the 1971 Wimbledon tournament, and now more than 300,000 glasses of the recipe are served to spectators every year.

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Sam Dangremond
Contributing Digital Editor

Sam Dangremond is a Contributing Digital Editor at Town & Country, where he covers men's style, cocktails, travel, and the social scene.

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Lauren Hubbard is a freelance writer and Town & Country contributor who covers beauty, shopping, entertainment, travel, home decor, wine, and cocktails.