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Red flag law
A red flag law, also called an extreme risk law, is a United States state law allowing courts to temporarily bar dangerous people from possessing firearms.
Red Guard Movement
The Red Guard Movement (红卫兵运动) was a mass student movement in China's Cultural Revolution, begun in Beijing middle schools in 1966 and suppressed in 1968.
Red Guards (United States)
Red Guards (United States) covers several unrelated American radical groups using the name: the 1969 Chinese American Red Guard Party of San Francisco, the Peninsula Red Guard, Red Guards Los Angeles, and the Marxist-Leninist-Maoist Red Guards network founded around 2014, centered on Red Guards Austin and defunct by 2022.
Red Guards (红卫兵)
Red Guards (红卫兵, Hongweibing): militant student mass organizations of China's Cultural Revolution, formed from mid-1966, endorsed by Mao, peaking at eight Tiananmen rallies of 11–13 million, and disbanded by 1968–1979.
Red heifer (פרה אדומה)
The red heifer (פרה אדומה, parah adumah) is a perfectly red, never-yoked cow prescribed in Numbers 19, whose ashes purified people contaminated by contact with the dead.
Red herring
Red herring: a smoked, reddish herring, and figuratively any distraction from the real issue. Key facts: William Cobbett's 1807 Political Register popularized the figurative sense; Nicholas Cox's 1674 hunting manual describes scent trails; in logic it names the irrelevant-thesis fallacy.
Red Lake shootings
Red Lake shootings: March 21, 2005 attack by student Jeffrey Weise at Red Lake High School on the Red Lake Indian Reservation, Minnesota; 10 dead including the shooter, deadliest US school shooting since Columbine.
Red Lion Broadcasting Co. v. FCC
Red Lion Broadcasting Co. v. FCC, 395 U.S. 367 (1969), the Supreme Court decision upholding the FCC fairness doctrine, personal attack rules, and free reply time based on broadcast spectrum scarcity.
Red Napoleon
Red Napoleon: nickname for communist generals (Tukhachevsky, Blyukher, Trotsky) and for Chief Joseph; also a 1929 future-war novel by Floyd Gibbons about Soviet conquest ending in a 1941 Caribbean sea battle.
Red Onion State Prison
Red Onion State Prison: level V/VI supermax prison in Pound, Wise County, Virginia, opened 1998 under Governor Allen as a 1,200-bed twin of Wallens Ridge; subject of solitary-confinement litigation and 2023 restorative housing law.
Red Pill Case
The Red Pill Case (红丸案) was a 1620 Ming palace scandal: the Taichang Emperor died hours after taking two red pills presented by official Li Kezhuo.
Red Points
Red Points is a brand protection software company founded in Barcelona that uses AI to detect and remove counterfeit listings, piracy, and impersonation for brands.
Red Pyramid
The Red Pyramid at Dahshur, Egypt, is the third pyramid of King Sneferu (4th Dynasty), the third-largest Egyptian pyramid after Khufu's and Khafre's, with a ~43-degree slope, three corbelled chambers, a granite sarcophagus, and about 10–11 years of construction.
Red River Direct Investment
Red River Direct Investment is a series of Delaware private equity funds managed within BlackRock's platform from New Jersey, with Fund III filing a $404 million offering in 2015.
Red River Rebellion
Red River Rebellion, also called Red River Resistance (1869-1870): Métis uprising led by Louis Riel against Canada's purchase of Rupert's Land, forming a provisional government and producing the Manitoba Act, 1870 and the Province of Manitoba.
Red River War
The Red River War was a U.S. Army campaign of 1874–1875 in the Texas Panhandle against the Kiowa, Comanche, Southern Cheyenne, and southern Arapaho, ending their free-roaming life.
Red Scare
Red Scare: two US anti-communist panics, the first after World War I (Palmer Raids, 1919-1920, about 4,000 arrested, 800 deported) and the second in the early Cold War (Truman's loyalty program, McCarthy, HUAC, Hollywood blacklists).
Red Sea crisis
Red Sea crisis: Houthi attacks on shipping from November 2023, also called the Bab el-Mandeb shipping crisis, disrupting the Suez route, driving Cape of Good Hope rerouting, and prompting Operations Prosperity Guardian and Aspides.
Red seal ships
Red seal ships (朱印船, shuinsen) were Japanese merchant ships licensed by the shogun's vermilion-sealed permit to trade overseas from 1604 to 1635, sailing more than 350 voyages to Southeast Asia and Taiwan.
Red Sevens
Red Sevens (RedSevens) is a Romanian gambling operator founded in 2007 in Oradea, run by Megabet International SRL, with 40+ licensed gaming halls and an ONJN-licensed online casino since 2021; distinct from red-seven slot symbols and the Red Seven blackjack count.
Red Sift
Red Sift is a London-based cybersecurity company founded in 2015 by Rahul Powar and Randal Pinto, selling cloud email security and brand protection software including OnDMARC.
Red Star Campaign
The Red Star Campaign was a failed 1982 Ethiopian offensive against Eritrean rebels, the largest of the war, aimed at capturing their stronghold of Nakfa.
Red Star Macalline
Red Star Macalline (红星美凯龙) is a Chinese home furnishing mall operator founded by Che Jianxin, who opened a Changzhou furniture workshop in 1986; at its 2016 peak it ran 200 malls, the world's largest portfolio.
Red states and blue states
Red states and blue states are informal U.S. labels for Republican- and Democratic-leaning states, fixed by the 2000 election after decades of shifting network map colors; purple states are competitive, and dichotomized maps overstate polarization.
Red Sticks
The Red Sticks were the faction of Creek dissidents who rose against their national council in 1813, starting the Creek War ended by Andrew Jackson in 1814.
Red Summer
Red Summer: term coined by NAACP leader James Weldon Johnson for the April–November 1919 wave of white-on-black riots in roughly 25–26 American cities; bloodiest at Elaine, Arkansas, with Chicago's July 1919 riot the most severe.
Red tape
Red tape: idiom and public-administration concept for rules that impose compliance burden without serving legitimate purposes; sixteenth-century English origins, Kaufman and Bozeman theories, measured business and organizational costs, and reduction efforts.
Red team
Red team, or red teaming, is a group authorized to simulate an adversary's attack against an enterprise. These stealthy, objective-driven exercises aim to improve defensive security.
Red Terror (Spain)
Red Terror (Terror Rojo): Republican-zone killings in the Spanish Civil War after July 1936, about 50,000 extrajudicial executions including at least 8,000 in Madrid and the Paracuellos massacres, distinct from the larger Nationalist White Terror.
Red Terror (Красный террор)
Red Terror (Красный террор): Bolshevik campaign of mass political violence during the Russian Civil War, formalized by the September 5, 1918 decree, executed by the Cheka under Dzerzhinsky against class enemies, with an estimated 50,000 to 100,000 killed.