All articles starting with H
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Hagia Sophia mosaics
The Hagia Sophia mosaics are the surviving Byzantine mosaic decorations of Hagia Sophia in Istanbul, spanning the 6th-century gold vaults of Justinian's church to 14th-century panels.
Hagiography
Hagiography, from Greek hagios and graphe, is Christian literature about the saints, including vitae, martyr acts, miracle collections, and relic translations, and the critical discipline studying them; about 12,000 Latin texts survive from before 1500.
Hagiography in Old Rus'
Hagiography in Old Rus' (житийная литература) is the Old Russian literature recounting the lives and pious deeds of canonized saints, written to edify readers rather than as biography.
Hagit power station
Hagit power station (תחנת הכוח חגית) is a gas-fired combined-cycle plant near Elyakim Junction in northern Israel; the Israel Electric Corporation owns 734 MW of its 1,394 MW.
Hagiwara Sakutarō
Hagiwara Sakutarō (萩原朔太郎, 1886 to 1942) was a Japanese poet from Maebashi whose 1917 collection Tsuki ni Hoeru, the first successful colloquial free verse, began modern Japanese poetry.
Hagiwara Sakutarō Prize
The Hagiwara Sakutarō Prize (萩原朔太郎賞) is a Japanese literary award for contemporary poetry, given annually by Maebashi since 1993 and named for the poet Hagiwara Sakutarō.
Hagley Oval
Hagley Oval, Christchurch's premier cricket ground in South Hagley Park, redeveloped after the 2011 earthquake; hosted the 2015 World Cup opener and became New Zealand's eighth Test venue in 2014.
Hagley Powder Yards
The Hagley Powder Yards are the historic DuPont black powder works on the Brandywine River near Wilmington, Delaware, operating from 1802 to 1921 and preserved as the Hagley Museum.
Hagnous
Hagnous (Ἀγνοῦς), also spelled Agnous, was an Athenian deme of the tribe Acamantis in eastern Attica, adjacent to Pallene and Gargettus, located near Markopoulo Dardiste and attested by deme decrees and funerary inscriptions.
Hagong Graphite Technology (哈工石墨科技)
Hagong Graphite Technology (哈工石墨科技), formally Heilongjiang Hagong Graphite Technology Co., Ltd., is a Chinese natural graphite mining and deep-processing company founded in 2017 in Jixi, Heilongjiang.
Hagop M. Kantarjian
Hagop M. Kantarjian is a Lebanese-born hematologist-oncologist at MD Anderson Cancer Center, chair of its leukemia department from 1995 to 2025 and a critic of cancer drug prices.
Hagop S. Akiskal
Hagop S. Akiskal (1944–2021), Armenian-American psychiatrist at UCSD, creator of the bipolar spectrum concept, bipolar III/IV subtypes, and TEMPS affective temperaments; NIMH adviser 1990–1994, Journal of Affective Disorders editor.
Hagoromo Fulltouch Chalk
Hagoromo Fulltouch Chalk is a premium Japanese blackboard chalk, made since 2016 in South Korea, famous for smooth, low-dust writing and a cult following among mathematicians.
Hagrama Mohilary
Hagrama Mohilary is an Indian politician, leader of the Bodoland People's Front, who served as Chief Executive Member of the Bodoland Territorial Council from 2005 to 2020.
Hagrid's Magical Creatures Motorbike Adventure
Hagrid's Magical Creatures Motorbike Adventure is an Intamin launch coaster at Universal Islands of Adventure's Hogsmeade, opened June 13, 2019, with a 17-foot drop track, 50 mph launches, and animatronic creatures.
Hague Adoption Convention
The Hague Adoption Convention (29 May 1993, in force 1 May 1995) is an HCCH treaty with 107 Contracting Parties regulating intercountry adoption through Central Authorities, subsidiarity, and safeguards against child trafficking.
Hague Agreement Concerning the International Deposit of Industrial Designs
The Hague Agreement Concerning the International Deposit of Industrial Designs, or Hague System, is a 1925 WIPO-administered treaty letting one international application cover up to 100 designs across 85 contracting parties (102 countries), with 5-year renewable terms, 397 CHF basic fees, and Geneva Act (1999) procedures.
Hague Conference on Private International Law
Hague Conference on Private International Law (HCCH), founded 1893 by T.M.C. Asser, permanent intergovernmental organisation since 1955 that unifies private international law through Hague Conventions such as the 1961 Apostille and 1980 Child Abduction Conventions; 95 Members including the EU.
Hague Convention for the Protection of Cultural Property in the Event of Armed Conflict
The 1954 Hague Convention, adopted 14 May 1954 and in force since 7 August 1956, is the first treaty protecting cultural property in armed conflict, with 138 states parties and 1954 and 1999 Protocols adding restitution and enhanced protection regimes.
Hague Convention on Recognition of Divorces and Legal Separations
The Hague Convention on Recognition of Divorces and Legal Separations, concluded in 1970, obliges Contracting States to recognize divorces and legal separations validly granted in other Contracting States.
Hague Convention on the Civil Aspects of International Child Abduction
The Hague Convention on the Civil Aspects of International Child Abduction (1980 Child Abduction Convention) is a multilateral treaty concluded 25 October 1980, in force 1 December 1983, with 103 parties, requiring prompt return of wrongfully removed children under 16 through Central Authorities, with Article 13 exceptions.
Hague Convention on the International Recovery of Child Support and Other Forms of Family Maintenance
2007 Hague Child Support Convention (Verdrag inzake de internationale inning van levensonderhoud voor kinderen), a multilateral treaty for cross-border recovery of child support and family maintenance via Central Authorities, free legal aid, and streamlined enforcement; in force 2013, with the EU, US, UK, and Canada among parties.
Hague Conventions of 1899
The Hague Conventions of 1899 are international agreements signed at the First Hague Peace Conference, convened by Tsar Nicholas II and creating the Permanent Court of Arbitration.
Hague Conventions of 1899 and 1907
The Hague Conventions of 1899 and 1907 are multilateral peace-conference treaties codifying the laws of war, creating the Permanent Court of Arbitration, and whose 1907 Hague Regulations are recognized as customary international law.
Hague Conventions on the Law Applicable to International Sales of Goods
The Hague Conventions on the Law Applicable to International Sales of Goods are two treaties deciding which country's law governs international sales without a chosen law.
Hague Divorce Convention
Hague Divorce Convention (1970 Recognition of Divorces and Legal Separations Convention), HCCH No 18, treaty obliging Contracting States to recognize foreign divorces and separations meeting Article 2 residence or nationality ties; 20 parties, 12 EU states, in force 24 August 1975.
Hague Group
The Hague Group, founded 31 January 2025 in The Hague by eight Global South states and co-chaired by Colombia and South Africa, is a state bloc coordinating legal and diplomatic measures over Israel's conduct in the Occupied Palestinian Territory; distinct from the WIPO Hague System and HCCH.
Hague Hijacking Convention
The Hague Hijacking Convention, formally the Convention for the Suppression of Unlawful Seizure of Aircraft, is a 1970 treaty that makes seizing an aircraft in flight a criminal offense worldwide.
Hague Peace Conferences
The Hague Peace Conferences were two international gatherings held at The Hague in 1899 and 1907, convened by Russian Tsar Nicholas II to address disarmament and the laws of war.
Hague Principles on Choice of Law in International Commercial Contracts
The Hague Principles on Choice of Law in International Commercial Contracts are non-binding rules adopted by the Hague Conference in 2015, affirming party autonomy in choosing contract law.