Died on February 15

670 Oswiu of Northumbria a King of Bernicia. His father, Æthelfrith of Bernicia, was killed in battle, fighting against Rædwald, King of the East Angles and Edwin of Deira at the River Idle in 616. Along with his brothers and their supporters, Oswiu was then exiled until Edwin's death in 633
706 Tiberios III Byzantine emperor from 698 to 21 August 705. Although his rule was considered generally successful, especially in containing the Arab threat to the east, he was overthrown by the former emperor Justinian II and subsequently executed
706 Leontios Byzantine emperor from 695 to 698. He came to power by overthrowing the Emperor Justinian II, but was overthrown in his turn by Tiberios III. His actual and official name was Leo , but he is known by the name used for him in Byzantine chronicles
1145 Pope Lucius II Pope from 9 March 1144 to his death in 1145. His pontificate was notable for the unrest in Rome associated with the Commune of Rome and its attempts to wrest control of the city from the papacy
1152 Conrad III of Germany the first King of Germany of the Hohenstaufen dynasty. He was the son of Duke Frederick I of Swabia and Agnes, a daughter of the Salian Emperor Henry IV
1288 Henry III Margrave of Meissen Margrave of Meissen and last Margrave of Lusatia from 1221 until his death; from 1242 also Landgrave of Thuringia.
1370 Jean Le Bel a Flemish chronicler. His father, Gilles le Beal des Changes, was an alderman of Liege, where Jean himself was active
1417 Richard de Vere 11th Earl of Oxford the son and heir of Aubrey de Vere, 10th Earl of Oxford. He took part in the trial of Richard, Earl of Cambridge and Lord Scrope for their part in the Southampton Plot, and was one of the commanders at Agincourt in 1415
1508 Giovanni II Bentivoglio an Italian nobleman who ruled as tyrant of Bologna from 1463 until 1506. He had no formal position, but held power as the city's "first citizen." The Bentivoglio family ruled over Bologna from 1443, and repeatedly attempted to consolidate their hold of the Signoria of the city
1534 Barbara Jagiellon a princess of Poland and a Duchess of Saxony.
1575 Cesare I Gonzaga count of Guastalla from 1557 until his death. He was a member of the House of Gonzaga, the first-born son of the imperial condottiero Ferrante Gonzaga and Isabella di Capua. From the latter he inherited also the title of Count of Amalfi. He was also Duke of Ariano and Prince of Molfetta. On 21 May 1558 he was appointed commander-in-chief of the troops in Lombardy by Philip On 12 March 1560 he married Camilla Borromeo, sister of Charles Borromeo and niece of Giovanni Angelo de' Medici, who had recently been elected Pope with the name of Pius IV
1600 José de Acosta a Spanish 16th-century Jesuit missionary and naturalist in Latin America.
1621 Michael Praetorius a German composer, organist, and music theorist. He was one of the most versatile composers of his age, being particularly significant in the development of musical forms based on Protestant hymns, many of which reflect an effort to improve the relationship between Protestants and Catholics
1634 Wilhelm Fabry the first educated and scientific German surgeon. He is one of the most prominent scholars in the iatromechanics school and author of 20 medical books. His Observationum et Curationum Chirurgicarum Centuriae, published posthumously in 1641, is the best collection of case records of the century and gives clear insight into the variety and methods of his surgical practice
1637 Ferdinand II Holy Roman Emperor Holy Roman Emperor , King of Bohemia , and King of Hungary. His rule coincided with the Thirty Years' War
1682 Gu Yanwu a Chinese philologist and geographer. He spent his youth during the Manchu conquest of China in anti-Manchu activities after the Ming Dynasty had been overthrown. He never served the Qing Dynasty. Instead, he traveled throughout the country and devoted himself to studies
1714 Hans Wachtmeister admiral general of the Swedish Navy and advisor to King Charles XI of Sweden and King Charles XII of Sweden. He served in the Scanian War of 1675–1679 and during the following twenty years of peace worked to build up the Swedish Navy. When the Great Northern War began in 1700 he was able to take his fleet to sea in good condition
1731 Mary of Jesus de León y Delgado a Spanish Dominican nun, mystic and visionary, known popularly as "La Siervita". She lived a life which was austere and simple, and many miracles were attributed to her, as well as levitation, ecstasy, bilocation, the stigmata, clairvoyance and healing, among others
1738 Matthias Braun a sculptor and carver active in the Czech lands, one of the most prominent late baroque style sculptors in the area.
1741 Georg Rafael Donner one of the most prolific Austrian sculptors of the 18th century. His style was baroque with some pseudo-ancient additions. He educated many German sculptors of his era, including his son Matthäus Donner
1744 František Václav Míča a Czech conductor and composer.
1761 Carlo Cecere an Italian composer of operas, concertos and instrumental duets including, for example, some mandolin duets and a concerto for mandolin. Cecere worked in the transitional period between the Baroque and Classical eras
1767 Mikhail Illarionovich Vorontsov a Russian statesman and diplomat, who laid foundations for the fortunes of the Vorontsov family.
1775 Peter Dens a Flemish Roman Catholic theologian.
1778 Johann Gottlieb Görner a German composer and organist. His brother was the composer Johann Valentin Görner and his son the organist Karl Friedrich Görner. He was a student at the Thomasschule zu Leipzig and University of Leipzig, then organist of the city's Paulinerkirche from 1716 then its Nikolaikirche from 1721. In 1723 he founded a Collegium Musicum, which competed with Johann Sebastian Bach's. He died in Leipzig
1781 Gotthold Ephraim Lessing a German writer, philosopher, dramatist, publicist and art critic, and one of the most outstanding representatives of the Enlightenment era. His plays and theoretical writings substantially influenced the development of German literature. He is widely considered by theatre historians to be the first dramaturg
1793 Johan Theodor Holmskjold a Danish botanist, courtier and administrator.
1802 Ignacy Wyssogota Zakrzewski a notable Polish nobleman, politician, art collector, Freemason, and the Mayor of Warsaw during the last years of the Polish-Lithuanian Commonwealth, shortly before the Partitions of Poland.
1810 Józef Klemens Czartoryski a Polish nobleman who owned the Korets Castle. Knight of the Order of the White Eagle, awarded in 1767
1813 Józef Mikołaj Radziwiłł a Polish-Lithuanian noble.
1818 Frederick Louis Prince of Hohenlohe-Ingelfingen a Prussian general.
1819 Fernando Serrano a Neogranadine statesman, lawyer, and officer who became Governor of the Province of Pamplona and wrote its Constitution in 1815. He also served as the last President of the United Provinces of the New Granada before its dissolution and complete Reconquista
1820 Pierre-Joseph Cambon a French statesman.
1830 Antoine Marie Chamans comte de Lavalette a French politician and general.
1830 Prince Ioane of Georgia a Georgian prince , writer and encyclopedist.
1830 Pierre Marc Gaston de Lévis Duke of Lévis a French politician, aphorist and député to the National Constituent Assembly. His father was the first duke of Lévis, marshal Francis de Gaston. In 1816 he was elected to seat 6 of the Académie française. He is credited with the quotation "Boredom is an illness for which work is the remedy"
1833 Nikolay Gnedich a Russian poet and translator best known for his idyll The Fishers. His translation of the Iliad is still the standard one
1835 Henry Hunt (politician) a British radical speaker and agitator remembered as a pioneer of working-class radicalism and an important influence on the later Chartist movement. He advocated parliamentary reform and the repeal of the Corn Laws
1839 François-Marie-Thomas Chevalier de Lorimier a notary who fought as a Patriote and Frère chasseur for the independence of Lower Canada in the Lower Canada Rebellion. For these actions, he was incarcerated at the Montreal Pied-du-Courant Prison and was hanged at the site by the British authorities
1840 Domenico Viviani an Italian botanist and naturalist.
1841 Harriette Campbell a writer.
1842 Archibald Menzies a Scottish surgeon, botanist and naturalist.
1842 Carlo Andrea Pozzo di Borgo a Corsican politician who became a Russian diplomat.
1844 Henry Addington 1st Viscount Sidmouth a British statesman, and Prime Minister from 1801 to 1804. He is best known for obtaining the Treaty of Amiens in 1802, an unfavourable peace with France. When that broke down he resumed the war but he was without allies and conducted a relatively weak defensive war. He is also known for his ruthless and efficient crackdown on dissent as Home Secretary 1812-1822
1846 Otto von Kotzebue a Baltic German navigator in Russian service.
1846 William Henry Clinton a British general during the French Revolutionary and Napoleonic Wars as well as the First Miguelist War. He was also the grandson of Admiral George Clinton and elder brother of Lieutenant General Sir Henry Clinton
1847 José de Palafox y Melci an Aragonese general who fought in the Peninsular War.
1847 Germinal Pierre Dandelin a mathematician, soldier, and professor of engineering.
1848 Hermann von Boyen a Prussian army officer who helped to reform the Prussian Army in the early 19th century. He also served as minister of war of Prussia in the period 1810-1813 and later again from 1 March 1841 – 6 October 1847
1849 Pierre François Verhulst a mathematician and a doctor in number theory from the University of Ghent in 1825.