In 1865, the Prince of Wales and future King Edward VII (known to his family and friends as Bertie) asked his tailor and friend Henry Poole to cut a short coat he could wear at informal dinners at Sandringham. Henry Poole accordingly shortened the traditional tailcoat and presented the evening jacket to the Prince of Wales in celestial blue. There is no earlier reference to any similar garment in either the historic Henry Poole & Co. ledgers dating back to 1846, or in the surviving ledgers of any other tailor or period illustration. So the British dinner jacket or DJ was born.
The Americans christened the British DJ a ‘tuxedo’, following a story that circulated the Tuxedo Park Club, north of New York City. The story goes that the Prince of Wales visited in 1886 and his notorious roving eye fell upon Cora, the devastatingly gorgeous wife of James Brown Potter. This led to the couple being invited to dine and sleep at Sandringham. Potter, not knowing about royal protocol, asked his tailor, Henry Poole, what he should wear at an informal royal evening. Poole confidently answered that a short celestial blue evening coat would be appropriate.