All articles A–Z
519,064 articles
International Typographic Style
The International Typographic Style, also known as the Swiss Style, is a graphic design movement from postwar Switzerland built on grid layouts, sans-serif type, and photography.
International Ultraviolet Explorer
The International Ultraviolet Explorer (IUE) was a joint NASA, ESA, and UK space telescope launched on 26 January 1978 to perform ultraviolet spectroscopy of celestial objects.
International Union for Conservation of Nature
IUCN, founded 5 October 1948 in Fontainebleau as the International Union for the Protection of Nature, is a Gland, Switzerland-based membership union of 1,600+ government and civil society members, publisher of the IUCN Red List.
International Union for the Protection of New Varieties of Plants
The International Union for the Protection of New Varieties of Plants (UPOV) is an intergovernmental organization in Geneva that administers plant variety protection under the 1961 UPOV Convention.
International Union of Architects
The International Union of Architects (UIA, Union Internationale des Architectes) is a federation of national architects' organizations founded in Lausanne in 1948, headquartered in Paris.
International Union of Biochemistry and Molecular Biology
IUBMB, founded 1955 as IUB and renamed 1991, is the international union of biochemistry and molecular biology with 76 adhering countries, triennial congresses, and the EC enzyme nomenclature system.
International Union of Private Railways
The International Union of Private Railways (UIP), founded in 1950, is a Brussels-based association representing private freight wagon keepers whose members own over 255,000 wagons.
International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international, non-governmental scientific organization, founded in 1919, that serves as the world authority on chemical nomenclature and terminology.
International Union of Pure and Applied Physics
The International Union of Pure and Applied Physics (IUPAP) is an international scientific union founded in 1922 in Brussels that sponsors physics conferences and awards prizes.
International Union of Pure and Applied Physics congresses
The International Union of Pure and Applied Physics congresses are conference series sponsored or endorsed by IUPAP, classified into four types and including flagship series such as ICHEP and STATPHYS.
International Union of Railways
The International Union of Railways (UIC), from the French Union Internationale des Chemins de fer, is a worldwide association of railway operators founded in Paris in 1922.
International Union of Socialist Youth
International Union of Socialist Youth (IUSY), founded 1907 in Stuttgart as the Socialist Youth International, is a global federation of socialist and social democratic youth organizations; renamed IUSY in Paris in 1946, headquartered in Vienna, with 160+ member organizations in over 110 countries.
International Union of Speleology
International Union of Speleology (Union Internationale de Spéléologie, UIS), non-profit NGO for caving and cave science founded 16 September 1965 in Ljubljana; office in Postojna, Slovenia; 57 member countries; congresses every four years.
International unit
International unit (IU), a unit of biological activity used for vitamins, hormones, enzymes, and drugs; not SI-traceable, defined by WHO International Standards; insulin example 0.0347 mg per IU.
International University Sports Federation
International University Sports Federation (FISU, Fédération Internationale du Sport Universitaire), founded 1 June 1949, Lausanne-based governing body of university sport with 167 member federations, running the World University Games, Championships, and University World Cups.
International vehicle registration code
International vehicle registration codes are the one-to-three-letter distinguishing signs (D, GB/UK, FIN) that states notify to the UN under the 1968 Vienna Convention on Road Traffic Annex 3 and display on vehicles in international traffic.
International Veterinary Nurses and Technicians Association
The International Veterinary Nurses and Technicians Association (IVNTA) is a federation of national veterinary nurse and technician associations, founded in 1991, promoting international standards and recognition.
International Villager
International Villager is Yo Yo Honey Singh's debut studio album, a 14-track Punjabi hip-hop, bhangra and R&B record released 11 November 2011 on Speed Records and Times Music, with hits Brown Rang, Angreji Beat, Dope Shope, Gabru and Goliyan, a BBC Asian chart topper, and about 1 million equivalent album sales.
International Volleyball Federation
The International Volleyball Federation (FIVB, Fédération Internationale de Volleyball) governs indoor and beach volleyball worldwide. Founded in Paris in 1947 with 14 federations, it now connects 222 national federations.
International Water Association
The International Water Association is a global organization of water professionals, utilities, and researchers, formed in 1999 by merger, with over 10,000 members in more than 140 countries.
International Water Management Institute
The International Water Management Institute (IWMI) is a CGIAR research organization headquartered in Colombo, Sri Lanka, founded in 1984, that works with governments to solve water problems in developing countries.
International waters
International waters, or the high seas, are ocean areas beyond any state's territorial sea (12 nm), contiguous zone (24 nm), or EEZ (200 nm). Not a defined UNCLOS term; governed by UNCLOS, regional fisheries bodies, and the BBNJ Agreement, in force 17 January 2026.
International Whaling Commission
International Whaling Commission (IWC): inter-governmental body founded 1946 under the ICRW, 89 members, sets whaling catch limits; imposed the 1982 commercial whaling moratorium and regulates aboriginal subsistence whaling.
International Women's Day
International Women's Day, marked 8 March, arose from early-1900s labor and socialist women's movements, was proposed by Clara Zetkin in 1910, first held 1911, and tied to the 1917 Russian women's demonstrations; UN-recognized since 1977.
International Women's Sports Federation
International Women's Sports Federation (FSFI, Fédération Sportive Féminine Internationale), founded by Alice Milliat in Paris, 31 October 1921; organized the Women's World Games 1922–1934 and won women's athletics a place in the Olympics before dissolving in 1936/1938.
International Workers' Day
International Workers' Day, or May Day, observed May 1, honors workers and the labor movement; it commemorates the 1886 US eight-hour strike and Haymarket affair and was declared international by the Second International in 1889.
International Working Union of Socialist Parties
International Working Union of Socialist Parties (IWUSP), or Vienna Union, the "Two-and-a-Half International": centrist socialist international founded in Vienna in February 1921 with 20 member parties from 13 countries; merged with the Second International in Hamburg in May 1923 to form the Labour and Socialist International.
International World Games Association
International World Games Association (IWGA), founded 21 May 1980 in Seoul, is the Swiss-law non-profit body of 39-40 International Sports Federations that administers The World Games, the quadrennial multi-sport event for non-Olympic sports, under IOC recognition since 1987.
International wushu federation
International Wushu Federation (IWUF, 国际武术联合会), founded October 3, 1990, is the IOC-recognized world governing body for wushu (Chinese martial arts), with 164 members, Lausanne headquarters, taolu and sanda disciplines, and Dakar 2026 Youth Olympic inclusion.
International Zinc Association
The International Zinc Association (IZA), founded in 1990, is a nonprofit trade association representing the global zinc industry from Durham, North Carolina, with programs in sustainability and market development.