Born on April 9

92 Yuan An regarded as the founder of the powerful Yuan clan of Ru'nan, one of the leading aristocratic families of the Eastern Han.
436 Tan Daoji a high level general of the Chinese dynasty Liu Song. He was one of the most respected generals during the Southern and Northern Dynasties era. Because of this, however, he was feared by Emperor Wen and even more so by Emperor Wen's brother, the prime minister Liu Yikang the Prince of Pengcheng, and during an illness of Emperor Wen, Liu Yikang had Tan arrested and executed on false accusations of treason
1283 Margaret Maid of Norway a Norwegian princess who reigned as Queen of Scots from 1286 until her death. Her death while traveling to Scotland sparked off the disputed succession which led to the Wars of Scottish Independence
1285 Ayurbarwada Buyantu Khan Emperor Renzong of Yuan regarded as the eighth Great Khan of the Mongols. His name means "blessed/good Khan" in the Mongolian language. His name "Ayurbarwada" was from a Sanskrit compound "Āyur-parvata", which means "the mountain of longevity", in contrast with Emperor Wuzong's name Qaišan
1396 John VIII Count of Harcourt a count of Aumale. He was the son of John VII of Harcourt, count of Harcourt, and of Marie of Alençon, a "princess of the blood"
1498 Jean Cardinal of Lorraine a French cardinal, who was archbishop of Reims, Lyon and Narbonne, bishop of Metz, Toul, Verdun, Thérouanne, Luçon, Albi, Valence, Nantes and Agen. He is sometimes known as the cardinal de Lorraine
1597 John Davenport (minister) an English Puritan clergyman and co-founder of the American colony of New Haven.
1598 Johann Crüger a German composer of well-known hymns.
1627 Johann Caspar Kerll a German baroque composer and organist.
1634 Countess Albertine Agnes of Nassau a regent of Friesland, Groningen and Drenthe. She was the sixth child and fifth daughter of stadtholder Frederick Henry, Prince of Orange and Amalia of Solms-Braunfels
1648 Henri de Massue Earl of Galway a French Huguenot soldier and diplomat who was influential in the English service in the Nine Years' War and the War of the Spanish Succession.
1649 James Scott 1st Duke of Monmouth an English nobleman. Originally called James Crofts or James Fitzroy, he was born in Rotterdam in the Netherlands, the eldest illegitimate son of Charles II of England, Scotland and Ireland and his mistress, Lucy Walter
1680 Philippe Néricault Destouches a French playwright who wrote 22 plays.
1686 James Craggs the Younger a British politician.
1691 Johann Matthias Gesner a German classical scholar and schoolmaster.
1717 Georg Matthias Monn an Austrian composer, organist and music teacher whose works were fashioned in the transition from the Baroque to Classical period in music.
1739 Bernardino da Ucria a Sicilian friar and botanist.
1757 Wojciech Bogusławski a Polish actor, theater director and playwright of the Polish Enlightenment. He was the director of the National Theatre, Warsaw, , during three distinct periods, as well as establishing a Polish opera. He is considered the "Father of Polish theatre."
1757 Michael Bryan (art historian) an English art historian, art dealer and connoisseur. He was involved in the purchase and resale of the great French Orleans Collection of art selling it on to a British syndicate, and owned a fashionable art gallery in Savile Row, London. His book, "Biographical and Critical Dictionary of Painters and Engravers", was a standard reference work throughout the 19th century, and was last republished in 1920; however it is now badly outdated
1762 Friedrich Graf Kleist von Nollendorf a Prussian field marshal and a member of the old junker family von Kleist.
1765 Antonio Nariño an ideological Colombian precursor and one of the early political and military leaders of the independence movement in the New Granada.
1768 Mariam Tsitsishvili the Queen of Georgia as the second wife and consort of the last King George XII of Georgia.
1770 Thomas Johann Seebeck a physicist who in 1821 discovered the thermoelectric effect.
1773 Étienne Aignan a French translator, political writer, librettist and playwright born in Beaugency, Loiret.
1777 Karl Wilhelm von Toll a Baltic German aristocrat and Russian subject who served in the Imperial Russian Army in the campaigns against the Napoleonic Army.
1778 Louis de Beaupoil de Saint-Aulaire a French politician.
1784 Rafael del Riego a Spanish general and liberal politician, who played a key role in the outbreak of the Liberal Triennium.
1787 Johann Gottlob von Quandt a German artist, art scholar and collector.
1794 Søren Christian Sommerfelt a Norwegian priest and botanist.
1794 Theobald Boehm a German inventor and musician, who perfected the modern Western concert flute and its improved fingering system. He was a Bavarian court musician, a virtuoso flautist, and a celebrated composer for the flute
1801 Viktor Nikitich Panin conservative Russian Minister of Justice.
1802 Elias Lönnrot a Finnish physician, philologist and collector of traditional Finnish oral poetry. He is best known for compiling Kalevala, the national epic of Finland, from national folk tales that he gathered during several expeditions in Finland, Russian Karelia, the Kola Peninsula and Baltic countries
1806 Isambard Kingdom Brunel an English mechanical and civil engineer who built dockyards, the Great Western Railway, a series of steamships including the first propeller-driven transatlantic steamship and numerous important bridges and tunnels. His designs revolutionised public transport and modern engineering
1806 Heinrich Mücke a prominent Realist painter known for his liturgical and genre paintings as well as frescoes, which still adorn some of Germany's ancient castles and cathedrals. His paintings are hung today in Germany's leading museums, including the National Gallery Berlin, Breslau Museum and the Brunn Museum. His son, Karl Mücke, was also a recognized genre painter. Heinrich Mücke was a professor at the Düsseldorf Academy and received the Portuguese Medal for Art and Sciences as well as the Breslau Medal. He is associated with the Düsseldorf school of painting
1811 Joseph Kleutgen a German Jesuit theologian and philosopher.
1814 Carl Johan Malmsten a Swedish mathematician and politician. He is notable for early research into the theory of functions of a complex variable, for the evaluation of several important logarithmic integrals and series, for his studies in the theory of Zeta-function related series and integrals, as well as for helping Mittag-Leffler start the journal Acta Mathematica
1816 Charles-Eugène Delaunay a French astronomer and mathematician. His lunar motion studies were important in advancing both the theory of planetary motion and mathematics
1819 Václav Treitz a Czech pathologist who was a native of Hostomice, Bohemia.
1821 Charles Baudelaire a French poet who also produced notable work as an essayist, art critic, and pioneering translator of Edgar Allan Poe. His most famous work, Les Fleurs du mal , expresses the changing nature of beauty in modern, industrializing Paris during the 19th century. Baudelaire's highly original style of prose-poetry influenced a whole generation of poets including Paul Verlaine, Arthur Rimbaud and Stéphane Mallarmé among many others. He is credited with coining the term "modernity" to designate the fleeting, ephemeral experience of life in an urban metropolis, and the responsibility art has to capture that experience
1825 Davis Hanson Waite an American politician. He was a member of the Populist Party, and he served as the eighth Governor of Colorado from 1893 to 1895
1826 Karl Blind a German revolutionist and writer on politics, history, mythology and German literature.
1827 Maria Susanna Cummins an American novelist.
1830 Eadweard Muybridge an English photographer important for his pioneering work in photographic studies of motion, and early work in motion-picture projection. He adopted the name Eadweard Muybridge, believing it to be the original Anglo-Saxon form of his name
1834 Edmond Laguerre a French mathematician, a member of the Académie française. His main works were in the areas of geometry and complex analysis. He also investigated orthogonal polynomials. Laguerre's method is a root-finding algorithm tailored to polynomials. He laid the foundations of a geometry of oriented spheres , including the Laguerre transformation or Transformation by reciprocal directions
1835 Leopold II of Belgium chiefly remembered for the founding and exploitation of the Congo Free State as a private venture. Born in Brussels as the second son of Leopold I and Louise of Orléans, he succeeded his father to the throne on 17 December 1865, reigning for 44 years until his death. This was the longest reign of any Belgian monarch
1837 Henry Becque a French dramatist. He was born in Paris
1840 Praskovya Uvarova an amateur Russian archaeologist.
1841 William George Aston a British diplomat, author and scholar-expert in the language and history of Japan and Korea.
1846 Paolo Tosti an Italian, later British, composer and music teacher.
1848 Helene Lange a pedagogue and feminist, and a symbol of the Women's Movement in Germany.