All articles starting with I
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Iasos
Iasos (᾿Ιασός), ancient Greek-Carian city on a peninsula in the Gulf of Mandalya, Caria, Turkey, at modern Kıyıkışlacık; claimed Argive origins, Delian League member, excavated by the Italian mission since 1960.
IATA airport code
An IATA airport code is a unique three-letter identifier assigned by the International Air Transport Association to airports and certain cities, rail, and ferry stations.
IATA Clearing House
The IATA Clearing House (ICH) is a multilateral netting and settlement system operated by IATA since 1947, through which airlines and travel partners offset and settle mutual billings, processing USD 66 billion in 2025.
IATA codes for non-airport facilities
IATA codes for non-airport facilities are three-letter identifiers assigned to railway stations, bus stations, ferry ports, and heliports so they can appear as ticketed segments on airline itineraries.
IATA delay codes
IATA delay codes are standardized two-character codes defined in IATA's Airport Handling Manual that airlines and ground handlers assign to flight departures to record delay causes.
Iatan Generating Station
The Iatan Generating Station is a jointly owned coal-fired power plant near Weston, Missouri, northwest of Kansas City, whose two units total 1,753.9 MW and are operated by Evergy.
IATF 16949
IATF 16949 is an international quality management system standard for the automotive industry, published by the International Automotive Task Force in 2016 alongside ISO 9001:2015.
Iatie (queen of the Arabs)
Iati'e was a queen of the Arabs, known only from two passages in the inscriptions of the Assyrian king Sennacherib, which name her to identify her captured brother Basqanu.
Iatrogenesis
Iatrogenesis, from Greek iatros (physician), is harm caused by medical activity, also called medical nemesis in Illich's critique. Preventable patient harm affects about 6% of patients, led by drug, therapeutic, and surgical incidents.
Iatrogenic Creutzfeldt-Jakob disease
Iatrogenic Creutzfeldt-Jakob disease (iCJD): CJD acquired via contaminated medical treatment, mainly cadaveric growth hormone and dura mater grafts; under 1% of CJD cases, incubation up to decades.
Iatrus
Iatrus (Iatrum), Late Roman castellum at the Yantra mouth near Krivina, Bulgaria, province Moesia secunda; founded c. 320 AD under Constantine, excavated 1958–2000, destroyed by Avars and Slavs c. 600 AD.
IATS trial
IATS (Infant Aphakia Treatment Study), NCT00212134, a 12-site US randomized trial of 114 infants comparing primary IOL implantation versus contact lens correction after unilateral congenital cataract surgery; equal visual acuity but more complications with IOLs.
IAU designated constellations
The IAU designated constellations are the 88 sky regions into which the International Astronomical Union divided the entire celestial sphere, fixed in 1922 and bounded by published coordinate lines.
IAV (engineering company)
IAV GmbH Ingenieurgesellschaft Auto und Verkehr is a German automotive engineering services company headquartered in Berlin. Founded in 1983 as a spin-off of the Technical University of Berlin, it is 50 percent owned by Volkswagen.
Iaza
Iaza was a minor settlement of ancient Lydia in the middle Hermos valley, known only from inscriptions, with its probable site at Ayazviran in Manisa province, Turkey.
Ib Chorkendorff
Ib Chorkendorff is a Danish physicist and chemist, professor of heterogeneous catalysis at the Technical University of Denmark since 1999, known for electrochemical ammonia synthesis.
IB Diploma Programme
The IB Diploma Programme (IBDP, DP) is the International Baccalaureate's two-year pre-university qualification for ages 16-19, established 1968 in Geneva. Six subject groups plus the TOK, CAS, and extended essay core; scored out of 45 with diploma at 24 points.
Ib Madsen
Ib Madsen, born 1942 in Copenhagen, is a Danish algebraic topologist who spent 37 years at the University of Aarhus, proved Mumford's conjecture, and shared the 2011 Ostrowski Prize.
Ib Michael
Ib Michael is a Danish writer born in 1945 in Roskilde whose novels and travel books blend reality and fantasy, with his breakthrough coming in Kilroy, Kilroy (1989).
Ib Valley Thermal Power Station
Ib Valley Thermal Power Station, also called Ib Thermal Power Station, is a coal-fired power station in Jharsuguda district, Odisha, India, with a capacity of 1,740 MW.
IB71
IB71 (IB 71) is a 2023 Hindi spy thriller directed by Sankalp Reddy, starring Vidyut Jammwal as an IB agent whose 1971 airspace-blockade plan, with a staged hijacking, precedes the Indo-Pakistan War; Jammwal's first production.
Iba N'Diaye
Iba N'Diaye (1928–2008) was a Senegalese painter, born in Saint-Louis and trained in France, who led the École des Beaux-Arts in Dakar after independence and worked in a hybrid African-European style.
Ibadan
Ibadan, also known as Eba Odan, is the capital of Oyo State in southwestern Nigeria. Founded as a war camp in 1829, it is Nigeria's third-largest city.
Ibadat Khana
The Ibadat Khana (عبادت خانہ), or House of Worship, is a hall of religious debate built by Mughal emperor Akbar at Fatehpur Sikri in 1575.
Ibadi Imamate of Oman
The Ibadi Imamate of Oman (الإمامة الإباضية في عمان) was a state in Oman ruled by an elected Ibadi imam, first founded in 749 and ended by Abbasid conquest in 893.
Ibadiyya
The Ibadiyya (الإباضية) are a school of Islam, the only surviving sect of Kharijism, first mentioned in Basra about 680 and carried to Oman and the Maghreb.
Ibagué
Ibagué, capital of Colombia's Tolima department, is the "Musical Capital of Colombia," founded 14 October 1550 by Andrés López de Galarza at about 1,285 m altitude, hosting the Colombian Folkloric Festival since 1959 and the Conservatorio del Tolima.
Ibak Khan
Ibak Khan, also written Ivak or Aybak, was a Shibanid khan of Tyumen and the Siberian Khanate who killed Ahmed Khan of the Great Horde in 1481.
Ibal-pi-El I
Ibal-pi-El I (Ibāl-pī-El I) was a ruler of the Mesopotamian city-state of Eshnunna, modern Tell Asmar, in the first half of the 19th century BC.
Ibal-pi-El II
Ibal-pi-El II, also written Ibalpiel II, was king of Eshnunna in the Diyala region around 1784 to 1770 BC, a contemporary of Hammurabi known from year-name tablets.