Tuvalu is an independent state within the Commonwealth and many British holidays are celebrated there too. At the same time they have certain holidays, that don't exist in other countries, for instance Heir to the Throne Birthday, that is birthday of Charles, Prince of Wales.
World Diabetes Day is an annual awareness campaign held on November 14. It was inaugurated in 1991 by the International Diabetes Federation. In 2006, the United Nations General Assembly passed Resolution 61/225, designating World Diabetes Day as a UN observance.