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Coup against Yang Jun
The coup against Yang Jun (誅楊駿) was a 291 palace coup in which Empress Jia had the Jin regent Yang Jun killed with his entire faction.
Coup at Nanpo
The Coup at Nanpo (南坡之变) was a Yuan dynasty coup in which Emperor Yingzong and his chancellor Bai Zhu were murdered by conspirators including members of the imperial guard.
Coup d'état
A coup d'état, French for "blow of state," is an unlawful, overt attempt by the military or other state elites to unseat the sitting executive, succeeding or failing.
Coup of 1009
The Coup of 1009 (Đảo cung Lý Công Uẩn) elevated Ly Cong Uan to the Vietnamese throne at Hoa Lu, ending the Early Le dynasty and founding the Ly dynasty.
Coup of 1033 (Empress Liu's death and purge)
The Coup of 1033 (仁宗亲政清洗) was the political purge by which Emperor Renzong of Song began his personal rule after Empress Dowager Liu, regent since 1022, died in 1033.
Coup of 1509
The Coup of 1509 was the overthrow of Later Le emperor Le Uy Muc, called the Demon king, by his kinsman Le Oanh, who became Emperor Le Tuong Duc.
Coup of 1762
The Coup of 1762 (Переворот 1762 года) was the palace revolution of 1762 in St Petersburg, in which Catherine II, backed by the guards, deposed Emperor Peter III.
Coup of 18 Brumaire
Coup of 18 Brumaire (9–10 November 1799): Napoleon Bonaparte and Sieyès overthrew the French Directory, expelled 61 deputies at Saint-Cloud, and founded the Consulate under the Constitution of Year VIII.
Coup of 1898 (Wuxu coup)
The Wuxu coup (戊戌政变) of September 1898 ended the Hundred Days' Reform, as Empress Dowager Cixi resumed power, confined the Guangxu Emperor, and executed six reformers.
Coup of al-Mu'ayyad Shaykh (1412)
The coup of al-Mu'ayyad Shaykh (المؤيد شيخ) was the 1412 seizure of the Mamluk sultanate of Egypt by the Circassian amir Shaykh al-Mahmudi, who deposed Sultan al-Nasir Faraj in Cairo.
Coup of August 18, 1863
The Coup of August 18, 1863 (八月十八日の政変) was a palace coup in Kyoto in which Emperor Kōmei and the Satsuma and Aizu domains expelled the Chōshū domain from the imperial court.
Coup of Crown Prince Chongjun
The Coup of Crown Prince Chongjun (重俊之变) was a failed 707 Tang rising in which crown prince Li Zhongjun killed the Wu magnates Wu Sansi and Wu Chongxun.
Coup of Elizabeth (1741)
The coup of Elizabeth (Переворот 25 ноября 1741 года) was a 1741 palace revolution in Saint Petersburg that deposed Emperor Ivan VI and made Elizabeth Petrovna empress.
Coup of Elizabeth Petrovna
The Coup of Elizabeth Petrovna (Переворот Елизаветы Петровны) was a bloodless palace revolution in St Petersburg in 1741 that brought Elizabeth to the Russian throne.
Coup of Liu Jishu and imprisonment of Emperor Zhaozong
The Coup of Liu Jishu and imprisonment of Emperor Zhaozong (Liu季述幽帝) was a late Tang palace coup where Liu Jishu deposed Zhaozong and installed Li Zhen.
Coup of Tran Thu Do and end of the Ly dynasty
The coup of Tran Thu Do was the 1225 transfer of the throne of Dai Viet from the Ly dynasty to the Tran clan, without bloodshed.
Coupang
Coupang is a South Korean e-commerce retailer founded in 2010, known for Rocket Delivery, which promises dawn delivery of orders placed by midnight through its own logistics network.
Coupon
A coupon, also called a promo code, is a certificate or digital offer entitling the holder to a discount on a product, issued by manufacturers or retailers and redeemed at checkout.
COUR Pharmaceuticals
COUR Pharmaceuticals (Cour Pharmaceutical Development Company, Inc.) is a clinical-stage biotechnology company in Skokie, Illinois, founded around 2014 as a Northwestern University spinout, developing tolerogenic nanoparticles for autoimmune disease.
Courage
Courage: the virtue of voluntary action despite perceived risk or fear. Types include physical, moral, vital, and psychological courage; Aristotle framed it as the mean between rashness and cowardice.
Courant Institute of Mathematical Sciences
Courant Institute of Mathematical Sciences (CIMS), NYU's math, computer science, and data science center in Warren Weaver Hall, founded by Richard Courant after fleeing Göttingen; top-ranked in applied mathematics.
Coureur des bois
The coureur des bois was an itinerant fur trader of New France who canoed trade goods into the interior and returned with furs, often without permits.
Courier and relay system (yizhuan)
The yizhuan (驿传) was the Ming dynasty's courier and relay system, a network of 1,936 stations supplying horses, lodging, and document post for officials and envoys.
Courland Pocket
Courland Pocket (Kurzemes katls, Kurland-Kessel): encirclement of German Army Group North, renamed Army Group Courland in January 1945, on the Courland Peninsula, Latvia, October 1944 to May 1945; six repelled Soviet offensives, sea-supplied via Liepāja, surrendered at Ezere.
Cournot competition
Cournot competition, also called the Cournot model or Cournot duopoly, is an oligopoly model in which firms choose output quantities simultaneously and market price follows.
Couronian colonization of Tobago
The Couronian colonization of Tobago was the Duchy of Courland's attempt to hold the Caribbean island of Tobago, founding New Courland in 1654 and leaving in 1690.
Course Hero
Course Hero: American ed-tech platform founded 2006 by Andrew Grauer and others; subscription or upload-to-unlock access to over 100 million course-specific study documents; distinct from Chegg's textbook solutions; valued at $1.1 billion in 2020.
Court
Court: a judicial tribunal with authority to decide legal disputes and try criminal cases; also a sovereign's household. Covers etymology, English court origins, and hierarchies in the US, Canada, UK, and other systems.
Court and chancery of the Bulgarian tsars at Tarnovo
The court and chancery of the Bulgarian tsars at Tarnovo was the central government of the Second Bulgarian Tsardom, ended by the Ottoman conquest of 1396.
Court Brahmans of Siam
The Court Brahmans of Siam were hereditary Brahman priests and astrologers in the royal household who performed state rituals and crowned kings, an institution dating from the Sukhothai period that survives in Bangkok today.