Corporate anniversary rings, promotions, signs in retail stores, donations, scholarships, temporary price reductions or discounts, reflections on past accomplishments, special ad campaigns, new logos, and so on. Planning an anniversary can take years. In some cases, special marketing consultants and event planners have been hired to coordinate the effort. Large corporations typically work closely with their corporate advertising agency as well as their marketing and sales departments to plan sometimes elaborate campaigns, often with a special theme to mark the occasion. For example, Starbucks marked their 40th anniversary with a redesigned logo and media campaign. Guinness Brewery celebrated its 250th anniversary with
International Day for the Preservation of the Ozone Layer International Day for the Preservation of the Ozone Layer September 16 was designated by the United Nations General Assembly as the International Day for the Preservation of the Ozone Layer. This designation had been made on December 19, 2000, in commemoration of the date, in 1987, on which nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer. In 1994, the UN General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer. The closure