Born in 1784

Jan 2 Ernest I Duke of Saxe-Coburg and Gotha the last sovereign duke of Saxe-Coburg-Saalfeld and from 1826, the first sovereign duke of Saxe-Coburg and Gotha. He is a patrilineal ancestor and great-great-great-grandfather of Queen Elizabeth II
Jan 4 François Rude a French sculptor. He was the stepfather of Paul Cabet, a sculptor
Jan 15 Theoklitos Farmakidis a Greek scholar and journalist. He was a notable figure of the Modern Greek Enlightenment
Jan 17 Philippe Antoine d'Ornano a French soldier and political figure who rose to the rank of Marshal of France. He was made Count d'Ornano of the French Empire in 1808. He was born a son of Lodovico Antonio Ornano and Isabella Maria Buonaparte, making him a second cousin of Napoleon Bonaparte
Jan 27 Martin-Joseph Mengal a Belgian composer and instructor.
Jan 28 George Hamilton-Gordon 4th Earl of Aberdeen a British politician, diplomat and landowner, successively a Tory, Conservative and Peelite, who served as Prime Minister from 1852 until 1855 in a coalition between the Whigs and Peelites, with Radical and Irish support. The Aberdeen ministry was filled with powerful and talented politicians, whom Aberdeen was largely unable to control and direct. Despite trying to avoid this happening, it took Britain into the Crimean War, and fell when its conduct became unpopular, after which Aberdeen retired from politics
Jan 31 Pavel Kridener a Russian diplomat. He was the fourth Russian Ambassador to the United States, under John Quincy Adams
Jan 31 Bernard Barton known as the Quaker poet.
Feb 5 Nancy Lincoln best known as the mother of United States President Abraham Lincoln. Her marriage to Thomas Lincoln also produced a daughter, Sarah Lincoln. When Nancy and Thomas had been married for just over 10 years, the family moved from Kentucky to Spencer County, Indiana. Nancy Lincoln died from milk sickness at the Little Pigeon Creek settlement in Spencer County when Abraham was nine years old
Feb 13 Nikolay Gnedich a Russian poet and translator best known for his idyll The Fishers. His translation of the Iliad is still the standard one
Feb 14 Heinrich Baermann generally considered as being not only an outstanding performer of his time, but highly influential in the creation of several important composers' works for his instrument.
Feb 15 Camille Montagne a French military physician and botanist who specialized in the fields of bryology and mycology. He was born in the commune of Vaudoy in the department of Seine-et-Marne
Feb 20 John E. Wool an officer in the United States Army during three consecutive U.S. wars: the War of 1812, the Mexican-American War and the American Civil War. By the time of the Mexican-American War, he was widely considered one of the most capable officers in the army and a superb organizer
Feb 22 John Eatton Le Conte an American naturalist. He was born near Shrewsbury, New Jersey, the son of John Eatton Le Conte and Jane Sloane Le Conte. He graduated from Columbia College, where he showed an interest in science and was taught natural history by David Hosack, founder of Elgin Botanical Garden
Feb 24 Maciej Rybiński Polish general, last chief of State of November Uprising.
Feb 29 Leo von Klenze a German neoclassicist architect, painter and writer. Court architect of Bavarian King Ludwig I, Leo von Klenze was one of the most prominent representatives of Greek revival style
Mar 4 Alexander Abercromby (British Army officer) a senior British Army officer during the Napoleonic Wars. He also served for a short time as a Member of Parliament for Clackmannanshire
Mar 6 Anselme Gaëtan Desmarest a French zoologist and author. He was the son of Nicolas Desmarest and father of Anselme Sébastien Léon Desmarest. Desmarest was a disciple of Georges Cuvier and Alexandre Brongniart, and in 1815, he succeeded Pierre André Latreille to the professorship of zoology at the École nationale vétérinaire d'Alfort. In 1820 he was elected to the Académie Nationale de Médecine
Mar 12 William Buckland an English theologian who became Dean of Westminster. He was also a geologist and palaeontologist, writing the first full account of a fossil dinosaur, which he named Megalosaurus. His work proving that Kirkdale Cave had been a prehistoric hyena den, for which he was awarded the Copley Medal, was praised as an example of how scientific analysis could reconstruct events from the distant past. He was a pioneer in the use of fossilised faeces, for which he coined the term coprolites, to reconstruct ancient ecosystems
Mar 18 Benjamin Bathurst (diplomat) a British diplomatic envoy who disappeared in Germany during the Napoleonic Wars. He was the third son of Henry Bathurst, Bishop of Norwich
Mar 24 Matvey Ivanovich Muravyev a Russian explorer and chief manager of the Russian-American Company.
Mar 25 François-Joseph Fétis a Belgian musicologist, composer, critic and teacher. He was one of the most influential music critics of the 19th century, and his enormous compilation of anecdotes, biographical data, and fabrications in the Biographie universelle des musiciens remains an interesting artifact today; as much for the outcry it provoked upon publication as for the insight it provides into Fétis' mindset. His wife, Adélaïde Robert, was the daughter of the French politician Pierre-François-Joseph Robert
Mar 27 Sándor Kőrösi Csoma a Hungarian philologist and Orientalist, author of the first Tibetan-English dictionary and grammar book. He was called Phyi-glin-gi-grwa-pa in Tibetan, meaning "the foreign pupil" and was given the title of Bosatsu or Boddhisatva by the Japanese in 1933. He was born in Kőrös, Grand Principality of Transylvania. His birth date is often given as 4 April, although this is actually his baptism day and the year of his birth is debated by some authors who put it at 1787 or 1788 rather than 1784. The Magyar ethnic group, the Székelys, to which he belonged believed that they were derived from a branch of Attila's Huns who had settled in Transylvania in the fifth century. Hoping to study the claim and to find the place of origin of the Székelys and the Magyars by studying language kinship, he set off to Asia in 1820 and spent his lifetime studying the Tibetan language and Buddhist philosophy. Csoma de Kőrös is considered as the founder of Tibetology. He was said to have been able to read in seventeen languages. He died in Darjeeling while attempting to make a trip to Lhasa in 1842 and a memorial was erected in his honour by the Asiatic Society of Bengal
Apr 5 Louis Spohr a German composer, violinist and conductor. Highly regarded during his lifetime, Spohr composed ten symphonies, ten operas, eighteen violin concerti, four clarinet concerti, four oratorios and various works for small ensemble, chamber music and art songs. Spohr was the inventor of both the violin chinrest and the orchestral rehearsal mark. His output occupies a pivotal position between Classicism and Romanticism, but fell into obscurity following his death, when his music was rarely heard. The late 20th century saw a revival of interest in his oeuvre, especially in Europe
Apr 7 Alexander Turgenev a Russian statesman and historian.
Apr 8 Dionisio Aguado y García a Spanish classical guitarist and composer.
Apr 9 Rafael del Riego a Spanish general and liberal politician, who played a key role in the outbreak of the Liberal Triennium.
Apr 13 Friedrich Graf von Wrangel a Generalfeldmarschall of the Prussian Army. He was nicknamed Papa Wrangel and a member of the Baltic German noble family of Wrangel
Apr 16 Émilie Bigottini a French dancer of Italian ancestry.
Apr 24 Peter Vivian Daniel an American jurist who served as an Associate Justice on the Supreme Court of the United States.
Apr 29 Samuel Turell Armstrong a U.S. political figure. Born in 1784 in Dorchester, Massachusetts, he was a printer and bookseller in Boston, specializing in religious materials. Among his works were an early stereotype edition of Scott's Family Bible, which was very popular, and The Panoplist, a religious magazine devoted to missionary interests
May 4 Heinrich Boie a German zoologist. He was the brother of Friedrich Boie. In the field of herpetology they described 49 new species of reptiles and several new species of amphibians
May 9 Duke George of Oldenburg a younger son of Peter I, Grand Duke of Oldenburg and his wife Duchess Frederica of Württemberg. He was a son-in-law of Paul I of Russia through marriage to his daughter Grand Duchess Catherine Pavlovna of Russia. He was referred to as a prince in Russia, Prince Georgy Petrovich Oldenburgsky
May 10 Carlo Filangieri a Neapolitan soldier and statesman. He was the son of Gaetano Filangieri, a celebrated philosopher and jurist
May 11 Urban Jarnik a Carinthian Slovene priest, historian, poet, author and ethnographer.
May 12 James Sheridan Knowles an Irish dramatist and actor.
May 21 Ernst Raupach a German dramatist.
Jun 3 William Yarrell an English zoologist, prolific writer, bookseller and naturalist admired by his contemporaries for his precise scientific work.
Jun 8 Marie-Antoine Carême an early practitioner and exponent of the elaborate style of cooking known as grande cuisine, the "high art" of French cooking: a grandiose style of cookery favoured by both international royalty and by the newly rich of Paris. Carême is often considered as one of the first internationally renowned celebrity chefs
Jun 14 Francesco Morlacchi an Italian composer of more than twenty operas. During the many years he spent as the royal Royal Kapellmeister in Dresden, he was instrumental in popularizing the Italian style of opera
Jun 17 Friedrich Thiersch a German classical scholar and educationist.
Jun 24 Juan Antonio Lavalleja an Uruguayan revolutionary and political figure. Today's Lavalleja Department is named after him
Jun 29 Alejandro María Aguado 1st Marquis of the Guadalquivir Marshes born of Old Christian parentage, originally from La Rioja, at Seville. He began life as a soldier, fighting with distinction in the Spanish War of Independence first against French, then on the side of Joseph Bonaparte. After the Battle of Baylen he entered the French army, in which he rose to be colonel and aide-de-camp to Marshal Soult. He was exiled in 1815, and immediately started business as a commission-agent in Paris, where, chiefly through his family connexions in Havana and Mexico, he acquired in a few years enough wealth to enable him to undertake banking. The Spanish government gave him full powers to negotiate the loans of 1823, 1828, 1830 and 1831; and Ferdinand VII. rewarded him with the title of marquis, the decorations of several orders and valuable mining concessions in Spain. Aguado also negotiated the Greek loan of 1834. In 1828, having become possessed of large estates in France, including the Château Margaux, famous for its wine, he was naturalized as a French citizen. He died at in Spain on April 14, 1842, leaving a fortune 'computed at 60,000,000 francs, and a splendid collection of pictures which at his death was sold by auction
Jul 1 Joseph Marshall Walker a Louisiana soldier and politician. He was the 13th Governor of Louisiana, from 1850-1853
Jul 7 Wilibald Swibert Joseph Gottlieb von Besser an Austrian-born botanist who worked most of his life within the territory of western Ukraine.
Jul 17 Andrew Crosse a British amateur scientist who was born and died at Fyne Court, Broomfield, Somerset. Crosse was an early pioneer and experimenter in the use of electricity, and one of the last of the "gentlemen scientists". He became widely known after press reports of an electrocrystallization experiment he conducted in 1836, during which insects "appeared"
Jul 22 Friedrich Bessel a German astronomer, mathematician. He was the first astronomer to determine the distance from the sun to another star by the method of parallax
Jul 23 Bagyidaw the seventh king of Konbaung dynasty of Burma from 1819 until his abdication in 1837. Prince of Sagaing, as he was commonly known in his day, was selected as crown prince by his grandfather King Bodawpaya in 1808, and became king in 1819 after Bodawpaya's death. Bagyidaw moved the capital from Amarapura back to Ava in 1823
Jul 27 George Onslow (composer) a French composer of English descent. His wealth, position and personal tastes allowed him to pursue a path unfamiliar to most of his French contemporaries, more similar to that of his contemporary German romantic composers; his music also had a strong following in Germany and in England. His principal output was chamber music but he also wrote four symphonies and four operas. Esteemed by many of the critics of his time, his reputation declined swiftly after his death and has only been revived in recent years
Jul 27 Denis Davydov a Russian soldier-poet of the Napoleonic Wars who invented a specific genre – hussar poetry noted for its hedonism and bravado – and spectacularly designed his own life to illustrate such poetry.