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Society and history

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Cynthia Puranik

Cynthia Puranik is a researcher in writing development and early literacy who won the Presidential Early Career Award and is a professor at Georgia State University.

Cynthia V. Dixon

Cynthia Valenzuela Dixon, born 1969 in Tucson, Arizona, is a United States district judge for the Central District of California, nominated by President Biden and confirmed in 2024.

Cyntoia Brown

Cyntoia Brown (Cyntoia Brown-Long), born 1988, American advocate sentenced at 16 to life in prison for the 2004 killing of Johnny Allen in Nashville; granted clemency by Governor Bill Haslam in 2019 and released after 15 years.

Cypherpunk

A cypherpunk is a member of a digital privacy movement, centered on a mailing list founded in 1992, that advocates strong encryption and later influenced Bitcoin and WikiLeaks.

Cypress Hills Massacre

The Cypress Hills Massacre (June 1, 1873) saw American wolfers kill 15–35 Nakoda (Assiniboine) near Farwell's and Solomon's trading posts, Saskatchewan, over suspected horse theft; it hastened creation of the North-West Mounted Police.

Cypress Semiconductor

Cypress Semiconductor was a San Jose, California semiconductor company founded by T. J. Rodgers in 1982, best known for SRAMs, PSoC microcontrollers, and connectivity chips; Infineon acquired it in 2020.

Cypress-Fairbanks Independent School District

Cypress-Fairbanks Independent School District, also known as Cy-Fair ISD, is a public school district in northwestern Harris County, Texas, serving Cypress, Fairbanks, and Jersey Village with more than 110,000 students.

Cyprian

Cyprian, also known as Saint Cyprian of Carthage, was bishop of Carthage from 248 until his martyrdom in 258, leaving twelve treatises and many letters.

Cyprian I

Cyprian I was Ecumenical Patriarch of Constantinople who held the office twice, in 1707–1709 and 1713–1714, having earlier served seven years as metropolitan of Caesarea in Cappadocia.

Cypriot Bichrome ware

Cypriot Bichrome ware, also called Bichrome Wheel-made Ware, is a Late Bronze Age Cypriot pottery style, painted red and black, exported in quantity to Levantine sites like Megiddo.

Cypriot National Guard (Εθνική Φρουρά)

Cypriot National Guard (Εθνική Φρουρά): the armed forces of the Republic of Cyprus, created by Law 20 of June 1964 with conscription; fought in 1964 Tillyria and the 1974 invasion; 14-24 month service; not a NATO member.

Cypriot pound

The Cypriot pound (CYP) was the currency of Cyprus from 1879, under British administration, until it was replaced by the euro on 1 January 2008 at €1 = CYP 0.585274.

Cyprium Investors

Cyprium Investors, also known as Cyprium Partners, is a Cleveland, Ohio private equity firm formed in 2011 by the investment team of Key Principal Partners to make non-control investments in profitable middle-market companies.

Cyprus Convention

Cyprus Convention (Convention of Defensive Alliance), signed 4 June 1878 between Britain and the Ottoman Empire: Britain occupied and administered Cyprus, which stayed de jure Ottoman, in return for defending Batoum, Ardahan, and Kars against Russia; ended by Britain's 1914 annexation.

Cyprus problem

Cyprus problem: the unresolved division of Cyprus since the 1974 Turkish invasion following an Athens junta-backed coup; Republic of Cyprus in the south, Turkish Cypriot north recognized only by Turkey, UN buffer zone, stalled federation talks.

Cyprus Stock Exchange

The Cyprus Stock Exchange is the regulated securities market of the Republic of Cyprus, created under 1993 and 1995 laws, with its first trading session on 29 March 1996.

Cyrela Brazil Realty

Cyrela Brazil Realty is one of Brazil's largest residential real estate developers, founded by Elie Horn in 1962, headquartered in São Paulo, and listed on the B3 exchange.

CYREN

CYREN, formerly Commtouch Software, was an Israeli internet security company providing cloud-based email and web security to partners including Google and Microsoft until its 2023 bankruptcy.

Cyriacus

Cyriacus (Greek Κυριακός) was Ecumenical Patriarch of Constantinople from 595 to 606, who defended the title "ecumenical patriarch" against Pope Gregory I and crowned Phocas in 602.

Cyrielle Chatelain

Cyrielle Chatelain, born 1987, is a French politician of The Ecologists who leads the Écologiste et social group in the National Assembly and represents Isère's 2nd constituency.

Cyril

Cyril (Greek Kyrillos, Κύριλλος) is a masculine given name meaning "little lord", from kyrios "master", via Late Latin Cyrillus. Borne by saints of Jerusalem, Alexandria, and the Slavic missionary Cyril; forms include Kirill, Cyryl, Cirilo.

Cyril and Methodius

Cyril and Methodius, Byzantine brothers from Thessalonica, missioned to Great Moravia in 863, devising the Glagolitic alphabet and a Slavonic liturgy approved by the pope.

Cyril and Methodius Brotherhood

The Cyril and Methodius Brotherhood (Кирило-Мефодіївське братство) was a secret society of young Ukrainian intellectuals in Kyiv, 1845 to 1847, that sought a democratic federation of Slavic peoples.

Cyril Holland

Cyril Holland (born Cyril Wilde, 1885-1915), elder son of Oscar Wilde and Constance Lloyd; name changed after the 1895 trial; Royal Field Artillery officer killed by a sniper at Aubers/Festubert, 9 May 1915.

Cyril II

Cyril II Kontares was Ecumenical Patriarch of Constantinople who held the throne three times in the 1630s and died in exile in Tunis in 1640.

Cyril III

Cyril III (Κύριλλος Γʹ) was Ecumenical Patriarch of Constantinople who occupied the throne twice in the 1650s: a first term in 1652 and a second in 1654.

Cyril IV

Cyril IV (Κύριλλος Δʹ), born on Lesbos in the mid-17th century, was Ecumenical Patriarch of Constantinople from 1711 to 1713, having earlier been metropolitan of Cyzicus.

Cyril Jefferson

Cyril Jefferson is an American Democratic politician, mayor of High Point, North Carolina, and the 2026 Democratic nominee for the U.S. House in NC's 6th district.

Cyril Lucaris

Cyril Lucaris (Κύριλλος Λούκαρις) was a Greek Orthodox prelate from Candia, Crete, who served as Patriarch of Alexandria and five times as Ecumenical Patriarch of Constantinople before being strangled by Ottoman authorities in 1638.

Cyril of Alexandria

Saint Cyril of Alexandria was patriarch from 412 to 444 who presided over the Council of Ephesus in 431 that deposed Nestorius and upheld Mary as Theotokos.