It began life as a digestive tonic, served by the glassful in a small tankard called a 'No. 1 Cup' at an oyster bar its inventor ran in the City of London in the 1840s.
Pimm's No. 1 is a gin-based fruit liqueur, typically mixed with lemonade and packed with cucumber, mint, strawberries and orange to make the classic Pimm's Cup. It's the unofficial drink of London summer — poured at cricket grounds, riverside pubs and garden parties across the city.