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Reign of terror and assassination of Emperor Muzong of Liao

The reign of terror and assassination of Emperor Muzong of Liao (辽穆宗暴政与遇弑) covers his brutal 951 to 969 rule and his killing by six close attendants.

Reignwood Group

Reignwood Group (华彬集团) is a private conglomerate founded by Yan Bin in Thailand in 1984, anchored in China by its Red Bull beverage business and diversified into property, golf clubs, and aviation.

Reimann family

The Reimann family is a German business family, among Europe's wealthiest, that controls JAB Holding, whose brands include Pret A Manger, Panera Bread, and JDE Peet's.

Reimbursement

Reimbursement in law: repayment of money paid for another or of benefits wrongly retained, enforced through restitution, unjust enrichment, subrogation, ERISA plan recovery, and equitable tracing.

Reimposition of jizya

The reimposition of jizya (जिज़िया की पुनर्स्थापना) was Aurangzeb's 1679 order restoring the poll tax on non-Muslims that Akbar had abolished in 1564, provoking protests and Shivaji's famous letter.

Reims campaign

Reims campaign (1359-1360): Edward III's last Hundred Years' War expedition, aimed at taking Reims to be crowned king of France; the five-week siege failed, Paris refused battle, and the campaign ended in the Treaty of Brétigny.

Reinaldo Herrera

Reinaldo Herrera Guevara (1933-2025), Venezuelan aristocrat, fifth Marqués de la Torre Casa, Vanity Fair special-projects editor, and husband of designer Carolina Herrera; secured interviews with Marcos, Arafat, Gaddafi, and Noriega and guarded the Best Dressed List.

Reincarnation

Reincarnation, also called transmigration of the soul, is the belief that a soul or stream of consciousness survives death and takes a new body in a repeated cycle of lives.

Reince Priebus

Reince Priebus (Reinhold R. Priebus), Wisconsin GOP lawyer; RNC chairman 2011-2017 elected on seventh ballot with 97 votes; Trump's first White House chief of staff, 189 days, replaced by John Kelly July 28, 2017.

Reinforcement

Reinforcement, in psychology, is any consequence that increases the future probability of a behavior; positive/negative denote adding/removing a stimulus. Rooted in Thorndike's law of effect and Skinner's operant conditioning, it underlies reinforcement schedules and dopamine-based reinforcement learning.

Reinhard Binder

Reinhard Binder, born 1954, is an Austrian timber industrialist who owns and leads binderholz GmbH, a family wood group in Fügen, Tyrol, with €3.549 billion revenue in 2022.

Reinhard Bonnke

Reinhard Bonnke was a German Pentecostal evangelist who founded Christ for all Nations in 1974 and led mass open-air gospel campaigns across Africa until retiring in 2017.

Reinhard Gehlen

Reinhard Gehlen (1902–1979) was a German generalmajor who headed Wehrmacht Eastern Front intelligence (Fremde Heere Ost) from 1942, founded the CIA-backed Organisation Gehlen in 1946, and served as first president of the BND from 1956 to 1968.

Reinhard Heydrich

Reinhard Heydrich, the Butcher of Prague, was a high-ranking Nazi SS general and Gestapo chief who chaired the Wannsee Conference planning the Final Solution; Czech agents assassinated him in 1942.

Reinhard Schneider

Reinhard Schneider (born 1968) is a German owner-manager and chief executive of Werner & Mertz in Mainz, the family firm behind the ecological Frosch cleaning brand.

Reinhard Selten

Reinhard Selten (1930–2016) was a German economist at the University of Bonn who shared the 1994 Nobel Prize in Economic Sciences for analyzing equilibria in non-cooperative games.

Reinhold Lopatka

Reinhold Lopatka, born in Vorau in 1960, is an Austrian People's Party politician and Member of the European Parliament since 2024, chairing its delegation for relations with the Arab Peninsula.

Reinhold Niebuhr

Reinhold Niebuhr was an American theologian and ethicist at Union Theological Seminary, the leading voice of Christian realism and a likely author of the Serenity Prayer.

Reinhold Würth (Würth Group)

Reinhold Würth, born 1935, is a German entrepreneur who took over his father's screw wholesale business at 19 and built it into the Würth Group.

Reinstatement of slavery by Napoleon

Napoleon's reinstatement of slavery (1802, law of 30 Floréal Year X) restored slavery and the slave trade in the French colonial empire, notably Guadeloupe; the Saint-Domingue expedition failed, producing independent Haiti in 1804 and the Louisiana Purchase.

Reinsurance

Reinsurance is a contract in which an insurance company, the cedent, transfers all or part of its policy risk to a reinsurer, often described as insurance for insurance companies.

Reintegration of Tangier into Morocco

The reintegration of Tangier into Morocco was the 1956 abolition, by an international protocol signed at Tangier, of the international régime governing the Tangier Zone.

Reis ül-Küttab

The Reis ül-Küttab (رئیس الکتاب), known in Europe as the Reis Effendi, headed the Ottoman chancery and served as de facto foreign minister until 1836.

Reisner Papyri

The Reisner Papyri are four Middle Kingdom administrative papyri from Naga ed-Deir, Egypt, excavated by George Reisner and held at UC Berkeley, recording construction, dockyard, and labor accounts.

Reistone Biopharma (瑞石生物)

Reistone Biopharma (瑞石生物) is a clinical-stage biopharmaceutical company founded in January 2018 and headquartered in Shanghai, China, developing drugs for immune-mediated inflammatory diseases; its lead asset is the oral JAK1 inhibitor ivarmacitinib (SHR0302).

Reiwa Shinsengumi (れいわ新選組)

Reiwa Shinsengumi (れいわ新選組), also called RSG, was a Japanese left-wing party founded April 2019 by Taro Yamamoto; it advocated abolishing the consumption tax, a 1,500-yen minimum wage, and nuclear phase-out, elected two severely disabled lawmakers in 2019, and renamed itself Inochi no To in August 2026.

Rejection of the Union of Florence (1441)

The rejection of the Union of Florence (Отказ от Флорентийской унии) was Moscow's 1441 refusal of the 1439 Catholic-Orthodox church union and the deposition of Metropolitan Isidore.

Rejoin EU

Rejoin EU is a small British political party founded in 2020 whose sole aim is UK reentry into the European Union, via Article 49 or a staged single market and customs union path; it fields candidates in by-elections and argues first-past-the-post gives it leverage.

Rekha Gupta

Rekha Gupta, born 1974, is an Indian politician of the Bharatiya Janata Party serving as Chief Minister of Delhi since 2025, and MLA for Shalimar Bagh.

Rekha Gupta ministry

Rekha Gupta ministry, the Delhi (NCT) Council of Ministers led by BJP Chief Minister Rekha Gupta since 20 February 2025; seven members including Parvesh Verma, Ashish Sood, Pankaj Singh, Manjinder Singh Sirsa, Kapil Mishra, and Ravinder Indraj Singh, formed after the BJP won 48 of 70 seats.