Born on April 7

1144 Ulrich I Duke of Carinthia the Duke of Carinthia and Margrave of Verona from 1135 until his death. He was the eldest son of Duke Engelbert and Uta, daughter of Burggrave Ulrich of Passau, his namesake. His father abdicated in 1135 and Ulrich was appointed his successor by the Emperor Lothair II at an imperial diet being held in Bamberg
1206 Otto II Wittelsbach Duke of Bavaria the Duke of Bavaria and Count Palatine of the Rhine. He was a son of Louis I and Ludmilla of Bohemia and a member of the Wittelsbach dynasty
1330 John 3rd Earl of Kent an English nobleman who was the posthumous son of Edmund of Woodstock, 1st Earl of Kent, and the cousin of King Edward III of England.
1470 Edward Stafford 2nd Earl of Wiltshire an English nobleman.
1477 Ōuchi Yoshioki a samurai of the Ōuchi family who lived during Japan's early Sengoku period. He is famous for his role in restoring the Shogun Ashikaga Yoshitane to power in 1508, and in building Saijō castle
1506 Francis Xavier a Roman Catholic missionary born in Xavier, Kingdom of Navarre , and co-founder of the Society of Jesus. He was a study companion of Ignatius of Loyola and one of the first seven Jesuits who took vows of poverty and chastity at Montmartre, in 1534. He led an extensive mission into Asia, mainly in the Portuguese Empire of the time. He was influential in evangelization work most notably in India. He also ventured into Japan, Borneo, the Maluku Islands, and other areas which had, until then, not been visited by Christian missionaries. In these areas, being a pioneer and struggling to learn the local languages in the face of opposition, he had less success than he had enjoyed in India. It was a goal of Xavier to extend his missionary preaching to China but he died in Shangchuan Island shortly before doing so
1539 Tobias Stimmer a Swiss painter and illustrator. His most famous work is the paintings on the Strasbourg astronomical clock. He died in Strasbourg
1613 Gerrit Dou a Dutch Golden Age painter, whose small, highly polished paintings are typical of the Leiden fijnschilders. He specialised in genre scenes and is noted for his trompe l'oeil "niche" paintings and candlelit night-scenes with strong chiaroscuro
1629 John of Austria the Younger a Spanish general and political figure. He was the only natural son of Philip IV of Spain to be acknowledged by the King and trained for military command and political administration. Don John advanced the causes of the Spanish Crown militarily and diplomatically at Naples, Sicily, Catalonia, the Netherlands, Portugal, Dunkirk and other fronts, and remained a popular hero even as the fortunes of Imperial Spain began to decline. In 1677 in a palace coup he took control of the monarchy of his half-brother Charles II of Spain, but he proved far from the savior Spain had hoped he would He remained in power until his death in 1679
1636 Gregório de Matos the most famous Colonial Brazilian Baroque poet. Although he wrote many lyrical and religious poems, he was more well known by his satirical ones, most of them frontally criticizing the Catholic Church, rendering him the nickname "Boca do Inferno"
1644 François de Neufville duc de Villeroy a French soldier.
1652 Pope Clement XII Pope from 12 July 1730 to his death in 1740.
1713 Nicola Sala an Italian composer and music theorist. He was born in Tocco Caudio and died in Naples. He was chapel-master and professor at Naples, having devoted himself to the collection of the finest models of printed music
1718 Hugh Blair a Scottish minister of religion, author and rhetorician, considered one of the first great theorists of written discourse.
1726 Charles Burney an English music historian, composer and musician, and father of the writers Frances Burney and Sarah Burney.
1727 Michel Adanson a French naturalist of Scottish descent.
1750 Maria Beatrice d'Este Duchess of Massa heiress of Modena and Reggio as well as the sovereign of Massa and Carrara from 1790 until 1797 and from 1816 until her death in 1829.
1755 Donatien-Marie-Joseph de Vimeur vicomte de Rochambeau a French soldier, the son of Jean-Baptiste Donatien de Vimeur, comte de Rochambeau.
1763 Domenico Dragonetti an Italian double bass virtuoso and composer with a 3 string double bass. He stayed for thirty years in his hometown of Venice, Italy and worked at the Opera Buffa, at the Chapel of San Marco and at the Grand Opera in Vicenza. By that time he had become notable throughout Europe and had turned down several opportunities, including offers from the Tsar of Russia. In 1794, he finally moved to London to play in the orchestra of the King's Theatre, and settled there for the remainder of his life. In fifty years, he became a prominent figure in the musical events of the English capital, performing at the concerts of the Philharmonic Society of London as well as in more private events, where he would meet the most influential persons in the country, like the Prince Consort and the Duke of Leinster. He was acquainted with composers Joseph Haydn and Ludwig van Beethoven, whom he visited on several occasions in Vienna, and to whom he showed the possibilities of the double bass as a solo instrument. His ability on the instrument also demonstrated the relevance of writing scores for the double bass in the orchestra separate from that of the cello, which was the common rule at the time. He is also remembered today for the Dragonetti bow, which he evolved throughout his life
1770 William Wordsworth a major English Romantic poet who, with Samuel Taylor Coleridge, helped to launch the Romantic Age in English literature with their joint publication Lyrical Ballads.
1771 Fra Diavolo the popular name given to Michele Pezza, a famous Neapolitan guerrilla leader who resisted the French occupation of Naples, proving an “inspirational practitioner of popular insurrection”. Pezza figures prominently in folk lore and fiction. He appears in several works of Alexandre Dumas, including The Last Cavalier: Being the Adventures of Count Sainte-hermine in the Age of Napoleon, not published until 2007 and in Washington Irving's short story "The Inn at Terracina"
1771 Louis Binot Governor General of Pondicherry in 1802. Binot was "Colonel / Chief of Brigade" in 121st Regiment of infantry of line which is made under the French Revolution. On 22 November 1806, he was made as "General of Brigade". He was given the order of Legion of Honour on 25 December 1805. He was killed at the Battle of Eylau
1772 Charles Fourier a French philosopher and an important early socialist thinker later associated with "utopian socialism". An influential thinker, some of Fourier's social and moral views, held to be radical in his lifetime, have become mainstream thinking in modern society. Fourier is, for instance, credited with having originated the word feminism in 1837
1781 Francis Leggatt Chantrey an English sculptor. He became the leading portrait sculptor in the Regency era Britain, producing busts and statues of many notable figures of the time. He left the Chantrey Bequest or Chantrey Fund for the purchase of works of art for the nation, which was available from 1878 after the death of his widow
1784 Alexander Turgenev a Russian statesman and historian.
1785 Lorenzo Hammarsköld a Swedish author.
1786 Izidor Guzmics born at Vámos-Család in the county of Sopron.
1786 William R. King an American politician and diplomat. He was the 13th Vice President of the United States for six weeks in 1853 before his death. Earlier he had been elected as a U.S. Representative from North Carolina and a Senator from Alabama. He also served as Minister to France during the reign of King Louis Phillippe
1794 Giovanni Battista Rubini an Italian tenor, as famous in his time as Enrico Caruso in a later day. His ringing and expressive coloratura dexterity in the highest register of his voice, the tenorino, inspired the writing of operatic roles which today are almost impossible to cast. As a singer Rubini was the major early exponent of the Romantic style of the bel canto era of Vincenzo Bellini and Gaetano Donizetti
1797 Pierre Leroux born at Bercy, now a part of Paris, the son of an artisan.
1803 Flora Tristan a socialist writer and activist. She was one of the founders of modern feminism. She wrote several works, the best known of which are Peregrinations of a Pariah , Promenades in London , and The Workers' Union
1803 James Curtiss an American politician who twice served as Mayor of Chicago, Illinois for the Democratic Party.
1804 Salomon Müller a German naturalist. He was born in Heidelberg, and died in Freiburg im Breisgau
1809 Gaspard Auguste Brullé a French entomologist.
1817 Francesco Selmi an Italian chemist and patriot, one of the founders of colloid chemistry.
1817 Hermann von Rosenberg a German naturalist born in Darmstadt. He published a few books and several articles concerning his work in the East Indies. In these he describes the geography, zoology, linguistics and ethnography of the islands
1818 Martin Hertz a German classical philologist.
1819 Hubert Léonard a famous Belgian violinist, born at Bellaire, Liège. His earliest preparatory training was given by Rouma, after which he entered the Paris Conservatory in 1836, where he studied for three years under Habeneck. In 1844 he started his extended tours which established his reputation as one of the greatest of virtuosos. From 1848 to 1867 he held the position of principal professor of violin playing at the Conservatory of Brussels, having succeeded the celebrated de Bériot. Owing to ill health, he resigned and settled in Paris where he taught private lessons. Among his notable students are Alfred De Sève, Martin Pierre Marsick, Henri Marteau, Henry Schradieck, and César Thomson. He wrote a notably instructive work titled Ecole Léonard. Léonard died in Paris in 1890
1820 György Klapka a Hungarian soldier.
1822 Victor Massé a French composer.
1825 Augustin Mouchot a 19th-century French inventor of the earliest solar-powered engine, converting solar energy into mechanical steam power.
1832 Ferdinand Kittel a priest and indologist with the Basel Mission in south India and worked in Mangalore, Madikeri and Dharwad in Karnataka. His father's name is Gottfried Christian Kittel and his mother's name is Helen Hubert. He is most famous for his studies of the Kannada language and for producing the first ever Kannada-English dictionary of about 70,000 words in 1894. He also composed numerous Kannada poems
1832 Robert Kells a recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.
1832 Wilhelm Launhardt a German mathematician and economist.
1836 Thomas Hill Green an English philosopher, political radical and temperance reformer, and a member of the British idealism movement. Like all the British idealists, Green was influenced by the metaphysical historicism of G.W.F. Hegel. He was one of the thinkers behind the philosophy of social liberalism
1840 George Henry Horn a U.S. entomologist who specialized in the study of beetles.
1841 Alfred Cogniaux a Belgian botanist. Amongst other plants, the genus Neocogniauxia of orchids is named after him
1844 Paschal Grousset a French politician, journalist, translator and science fiction writer. Grousset published under the pseudonyms of André Laurie, Philippe Daryl, Tiburce Moray and Léopold Virey
1846 William Ogilvie (surveyor) a Canadian Dominion land surveyor, explorer and Commissioner of the Yukon Territory.
1847 Jens Peter Jacobsen a Danish novelist, poet, and scientist, in Denmark often just written as "J. Jacobsen". He began the naturalist movement in Danish literature and was a part of the Modern Breakthrough