Suicides by poison

The Prince of Hongnong (176–190) (simplified Chinese: 弘农王; traditional Chinese: 弘農王; pinyin: Hóngnóng Wáng; also translated as King of Hongnong) was briefly an emperor of China during the Han dynasty.

Jenny Laura Marx (26 September 1845 – 25 November 1911), better known as Laura Marx, was the second daughter of Karl Marx and Jenny von Westphalen.

Christiaan Antonius Lindemans (Rotterdam, 24 October 1912 – Scheveningen, 18 July 1946), the fourth son of Joseph Hendrik Lindemans and Christina Antonia van Uden, was a Dutch double agent during the Second World War, working under Russian control.

Paul Lafargue (French: [lafaʁg]; 15 January 1842 – 25 November 1911) was a French revolutionary Marxist socialist journalist, literary critic, political writer and activist; he was Karl Marx's son-in-law having married his second daughter, Laura.

Sir John Suckling (10 February 1609 – after May 1641) was an English poet and a prominent figure among those renowned for careless gaiety and wit, the accomplishments of a Cavalier poet.

Nadezhda Konstantinovna Sigida (Russian: Наде́жда Константи́новна Сиги́да), née Malaxiano (Russian: Малаксиано) (1862–1889), was a Russian revolutionary, heroine of the Kara katorga tragedy of 1889.

Alexander Dmitrievich Ogorodnik (Russian: Александр Дмитриевич Огородник, 1939 – June 22, 1977) was a Soviet diplomat who, while stationed in Bogotá, was contacted by the Colombian intelligence agency and the CIA to spy on the Soviet Union, operating under the code name Trigon.

Cai Lun ([tsʰâi̯ lu̯ə̌n]; Chinese: 蔡倫; AD 48– 121), courtesy name Jingzhong (敬仲), was a Han dynasty Chinese eunuch and official.

Marshall Herff Applewhite, Jr.

Francis Ellingwood Abbot (November 6, 1836 – October 23, 1903) was an American philosopher and theologian who sought to reconstruct theology in accord with scientific method.

Abbot Howard "Abbie" Hoffman (November 30, 1936 – April 12, 1989) was an American political and social activist and anarchist who co-founded the Youth International Party ("Yippies").

Hong Xiuquan (1 January 1814 – 1 June 1864), born Hong Renkun and with the courtesy name Huoxiu, was a Hakka Chinese leader of the Taiping Rebellion against the Qing Dynasty, establishing the Taiping Heavenly Kingdom over varying portions of southern China, with himself as the "Heavenly King" and self-proclaimed brother of Jesus Christ.

Jean-Joseph Rabearivelo (4 March 1901 or 1903 – 22 June 1937), born Joseph-Casimir Rabearivelo, is widely considered to be Africa's first modern poet and the greatest literary artist of Madagascar.

Eleanor Marx Aveling (born Jenny Julia Eleanor Marx; 16 January 1855 – 31 March 1898) was the English-born youngest daughter of Karl Marx.

Charles Laure Hugues Théobald, duc de Choiseul-Praslin (29 June 1805 – 24 August 1847) was a French nobleman and politician, who served as a member of the Chamber of Deputies in 1838–1842.

Von Pechmann also discovered polyethylene plastics serendipitously in 1898, when accidentally heating diazomethane.

Terry Luther Long (July 21, 1959 – June 7, 2005) was an American college and professional football player who was an offensive lineman in the National Football League (NFL) for eight seasons during the 1980s and early 1990s.

Khurshid (Middle Persian: , Khōrshēd; Tabari/Persian: اسپهبد خورشید‎‎, Spāhbed Khōrshīd 'General Khorshid'; 734–761), erroneously designated Khurshid II by earlier scholars, was the last Dabuyid ispahbadh of Tabaristan.

Javed Iqbal Mughal (8 October 1956 – 8 October 2001), was a Pakistani serial killer who was found guilty of the sexual abuse and murder of 100 children.

Peter Vogel (22 March 1937 – 21 September 1978) was a German film actor.

Guo Zhongmin (June 24, 1966 - February 23, 2003) was a Chinese mass murderer who killed 13 people in Yangxiaoxiang, Huludao, People's Republic of China on February 18, 2003, before committing suicide.

Isabella "Issie" Blow (19 November 1958 – 7 May 2007) was an English magazine editor.

Börries Albrecht Conon August Heinrich Freiherr von Münchhausen (20 March 1874 – 16 March 1945) was a German poet and Nazi activist.

Alma Vetsera Hayne (1890–1919) was a New York City socialite who passed herself off as the daughter of Rudolf, Crown Prince of Austria and Baroness Mary Vetsera and called herself Princess Vetsera of Austria.

Wang Yirong (Chinese: 王懿榮; pinyin: Wáng Yìróng; 1845–1900) was a director of the Chinese Imperial Academy, best known as the first to recognize that the symbols inscribed on oracle bones were an early form of Chinese writing.

Liu Buchan (simplified Chinese: 刘步蟾; traditional Chinese: 劉步蟾; pinyin: Liú Bùchán) (born 1852, died 10 February 1895) was a naval officer of the Beiyang Fleet, the most prominent of China's naval units in the late Qing Dynasty.

"Patty" Cannon, whose birth name may have been, Lucretia Patricia Hanly (c. 1760 or 1759 or 1769-May 11, 1829) was an illegal slave trader and the co-leader of the Cannon-Johnson Gang of Maryland-Delaware, which operated for about a decade in the early 19th century kidnapping free blacks and fugitive slaves, to sell into slavery in the South, which came to be known as the Reverse Underground Railroad.

Yu-ri Kim (Hangul: 김유리, August 29, 1989 – April 18, 2011) was a South Korean fashion model, who was active from late 2000s to early 2010s.

Kathleen "Kate" Newton (née Kelly; 1854–1882) was the Irish muse and mistress of French artist James Jacques Tissot.

Bernhard Förster (March 31, 1843 – June 3, 1889) was a German teacher.

Arthemus Ward "Art" Acord (April 17, 1890 – January 4, 1931) was an American silent film actor and rodeo champion.

Mathilde Wurm (30 September 1874 – 1 April 1935) was a German politician, social worker and journalist.

Leila Lopes (19 November 1959 – 3 December 2009) was a Brazilian actress, journalist, porn star and presenter of television, known for her appearance in soap operas on the Rede Globo channel, and later for entering the pornographic cinema.

Arno Assmann (30 July 1908 – 30 November 1979) was a German actor, film director and television writer.

Saeid Emami (Persian: سعید امامی‎‎; né Saeid Eslami also known as Daniyal Ghavami; 1958–1999) was the Iranian deputy minister of intelligence under Ali Fallahian, and an intelligence officer under Ghorbanali Dorri-Najafabadi.

Sai Prashanth (7 June 1985 – 13 March 2016) was an Indian actor, who has appeared in Tamil language films and television serials.

Frederick Oscar Bratschi (January 16, 1892 – January 10, 1962) was a left fielder in Major League Baseball between 1921 and 1927.

Orrick Glenday Johns (June 2, 1887 – July 8, 1946) was an American poet and playwright and was part of the literary group that included T.

Nicholas Vachel Lindsay (/ˈveɪtʃəl ˈlɪnzi/; November 10, 1879 – December 5, 1931) was an American poet.

Bernhard Hirzel (12 August 1807 – 6 June 1847 in Paris) was a Swiss theologian and Orientalist.

Henry Alexander (1860 in San Francisco – May 15, 1894 in New York) was an American painter from California.

Adela Florence Nicolson (née Cory) (9 April 1865 – 4 October 1904) was an English poet who wrote under the pseudonym Laurence Hope.

Dave Clement (2 February 1948 – 31 March 1982) was a football player.

Antoine Trial (13 October 1737, Avignon - 5 February 1795, Paris) was a French singer and actor.

Veronica Micle (born Ana Câmpeanu; April 22, 1850 – August 3, 1889) was an Imperial Austrian-born Romanian poet, whose work was influenced by Romanticism.

Arturo Borja Pérez (1892 – November 13, 1912) was an Ecuadorian poet who was part of a group known as the "Generación decapitada" (Decapitated Generation).

Henry William Chandler (31 January 1828 – 16 May 1889) was an English classical scholar.

Richard Realf (born 14 June 1832 in Framfield, East Sussex, England - died 28 October 1878 in Oakland, California) was a poet who lived in many places throughout the United States, and whose work was informed by these travels.

Wan Yu (died 272) was a chancellor of Eastern Wu during the Three Kingdoms period of Chinese history.

Chizuko Mifune (御船 千鶴子, Mifune Chizuko, 17 July 1886 – 19 January 1911) was a self-proclaimed clairvoyant during the late Meiji period in Japan.

William Pitts II (1790–1840) was an English silver-chaser and sculptor.

George Periolat (February 5, 1874 – February 20, 1940) was an American actor.

George Henry Westmore (27 June 1879 – 12 July 1931) was a hairdresser who emigrated to the United States with his family, including several relatives who became prominent in Hollywood.

Robert Cochrane (26 January 1931 – 3 July 1966), who was born as Roy Bowers, was an English occultist who founded the tradition of Pagan Witchcraft known as Cochrane's Craft.

Levie Jacob "Louis" Fles (October 19, 1872 – May 24, 1940) was a Dutch businessman, activist and author.

Phan Thanh Giản (November 11, 1796–1867) was a Grand Counsellor at the Nguyễn court in Vietnam.

Arthur Woodcock was a first class cricketer who played in 121 first-class matches for Leicestershire CCC from 1894 to 1908 and appeared for London County in 1900.

Charles Sylvester "Chick" Stahl (January 10, 1873 – March 28, 1907) was an American outfielder in Major League Baseball who was among the most feared and consistent hitters in his time.

Marvel Rea (November 9, 1901 – June 17, 1937) was an American silent film actress best known for her work aside Ford Sterling.

Maria Antonina Czaplicka (25 October 1884 – 27 May 1921), also referred to as Marya Antonina Czaplicka and Marie Antoinette Czaplicka, was a Polish cultural anthropologist who is best known for her ethnography of Siberian shamanism.

Edward FitzGerald, 7th Duke of Leinster, etc.

Patricia "Pat" Cutts (20 July 1926 – 6 September 1974) was an English film and television actress.

Joe Bodolai (May 11, 1948 – December 26, 2011) was an American film and television producer and writer.