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Raziel (רזיאל)
Raziel (רזיאל), also called Galizur, is an angel of Jewish tradition known as the giver of Sefer Raziel HaMalakh, a book of divine secrets and amulets first printed in 1701.
Razin's Rebellion
Razin's Rebellion (Восстание Степана Разина), the Peasant War of 1670–1671, was a large anti-serfdom uprising led by Don Cossack ataman Stepan Razin along the Volga.
Raziya Sultan
Raziya Sultan (رضیہ سلطان) was a sultan of the Mamluk dynasty of Delhi who ruled from 1236 to 1240, the daughter of Iltutmish and the first and only woman to rule Delhi in her own right.
Raziyya
Raziyya (رضیہ سلطانہ) was sultan of Delhi from 1236 to 1240 and the first and only woman to rule the Delhi Sultanate, the eldest daughter of Sultan Iltutmish.
Razor Group
Razor Group is a Berlin-based e-commerce aggregator founded in 2020 that buys and operates consumer brands selling on Amazon, reaching a $1.2 billion valuation in 2023.
Razorpay
Razorpay is an Indian fintech company founded in 2014 by Harshil Mathur and Shashank Kumar, headquartered in Bengaluru, providing payment gateway and financial services for businesses.
Razryadny Prikaz
The Razryadny Prikaz (Разрядный приказ), or Rank Office, was the central chancellery of Muscovy in charge of service people and the armed forces, surviving until 1711.
RB FC Holdings, C.V.
RB FC Holdings, C.V. is a private equity fund managed by RedBird Capital Partners of New York, with reported gross assets of $546.8 million in 2025.
Rbh of Dʿmt
Rbḥ was a ruler of the pre-Aksumite kingdom of Dʿmt in the northern Ethiopian highlands, attested by an incense burner inscription from Addi Gelemo in Tigray, Ethiopia.
RBL Bank
RBL Bank, formerly Ratnakar Bank, is an Indian private sector bank founded in 1943 at Kolhapur, headquartered in Mumbai, and now a subsidiary of Emirates NBD.
RBS 70
The RBS 70, or Robotsystem 70, is a Swedish man-portable short-range air-defense system developed by Bofors, operational in 1977, that guides its missile along a laser beam immune to flares and jamming.
Rcp Ff Small Buyout
Rcp Ff Small Buyout is a series of Delaware limited-partnership funds managed by Chicago private equity firm RCP Advisors, specializing in North American small buyouts since 2001.
Rcp Multi-Strategy
RCP Multi-Strategy is a series of multi-strategy private equity fund vehicles managed from Chicago by RCP Advisors, part of the P10 platform, with three funds launched between 2021 and 2025.
RCP Secondary Opportunity Funds (RCP SOF)
The RCP Secondary Opportunity Funds are a series of private equity secondaries funds managed by Chicago-based RCP Advisors, raising about $2.06 billion across two funds since 2021.
Rcpdirect
Rcpdirect is the direct co-investment fund family of RCP Advisors, a Chicago-based private equity firm founded in 2001, investing in lower middle market buyouts alongside unaffiliated sponsors.
RD Tata
RD Tata (1856–1926) was an Indian businessman and founding director of Tata & Sons who helped complete Tata Steel and was the father of JRD Tata.
Rdiscovery
RDiscovery, also known as Remiges Ventures, is a Tokyo-based drug discovery venture capital firm founded in 2014 that invests in Japan, North America, and Europe.
Rdm of Dʿmt
Rdm, vocalized Radiʿum, was a king of Dʿmt in the northern Ethiopian highlands during the early first millennium BC, bearing the titles victorious king of S¹ryt and mukarrib of Dʿmt.
Re:Car, Inc.
Re:Car, Inc. is an American automobile startup developing a two-door electric pickup truck, founded in Framingham, Massachusetts, which raised $111 million in 2023 and was later linked by Reuters to Slate Auto.
Reactance (psychology)
Reactance (psychology), from Jack Brehm's 1966 reactance theory: an aversive motivational state, mixing anger and counterarguing, triggered by threats to behavioral freedom, producing resistance, boomerang effects, and reduced persuasion in health campaigns.
Reaction time task
A reaction time task measures how quickly a person responds to a stimulus, in simple, choice, and go/no-go forms, serving as an index of processing speed.
Reactionary
Reactionary: a political label from the French Revolution era for those seeking to restore a pre-revolutionary order. Distinct from conservatism (status quo); includes neo-reaction (Yarvin, Land, Dark Enlightenment).
Reactions to the 2026 Iran war
Reactions to the 2026 Iran war, the US-Israel war on Iran that killed Ali Khamenei: European refusal to join, Russian and Chinese UN vetoes, Gulf condemnations, Pakistani mediation, and US midterm backlash.
Reactions to the assassination of Ali Khamenei
Global reactions to the 28 February 2026 assassination of Iran's Supreme Leader Ali Khamenei in joint US-Israeli strikes: Iranian 40-day mourning, Mojtaba Khamenei's succession, Trump's celebration, Russian and Chinese condemnation, and protests in Iraq.
Reactions to the death of Pope Francis
Reactions to the death of Pope Francis: global response to the pope's death on 21 April 2025, Easter Monday, at the Domus Sanctae Marthae. Covers world tributes, the 26 April funeral with 160 delegations, national mourning, Russian disinformation, and Leo XIV's election.
Reactions to the September 11 attacks
Reactions to the September 11 attacks: American public, international, and institutional responses to the 2001 al-Qaeda attacks that killed nearly 3,000 people, including NATO's first Article 5 invocation, the rally-round-the-flag effect, and later reassessment.
Read my lips: no new taxes
"Read my lips: no new taxes", George H. W. Bush's 1988 Republican convention pledge, helped him defeat Dukakis, was broken in the 1990 budget deal, and haunted his 1992 reelection loss.
Readability
Readability: estimated ease of reading a text, usually via formulas such as Flesch-Kincaid, SMOG, Gunning Fog, Coleman-Liau, and ARI that combine sentence length, word length, and syllable counts into grade-level scores, with known limits on comprehension and cross-formula agreement.
Readability and literary register in Bible translation
Readability and literary register in Bible translation are the two targets shaping how English versions sound: reading level measures decoding skill, and register fits language to its purpose.
Readboy
Readboy (读书郎) is a Chinese smart learning device maker founded in 1999 in Zhongshan, Guangdong, known for student tablets and listed in Hong Kong since 2022.