Born on April 6

861 Prudentius of Troyes bishop of Troyes, and a celebrated opponent of Hincmar of Reims in the controversy on predestination.
1151 Rostislav Yuryevich the Prince of Novgorod and Pereyaslavl, oldest son of Yuri Dolgoruky, and brother of Andrei Bogolyubsky.
1222 Nichiren a Buddhist monk who lived during the Kamakura period in Japan. Nichiren taught devotion to the Lotus Sutra — which contained Gautama Buddha's teachings towards the end of his life — as the exclusive means to attain enlightenment. Nichiren believed that this sutra contained the essence of all of Gautama Buddha's teachings relating to the laws of cause and effect, karma and to lead all people without distinction to enlightenment. This devotion to the sutra entails the chanting of Nam Myōhō Renge Kyō as the essential practice of the teaching
1573 Margaret of Brunswick-Lüneburg a German noblewoman member of the House of Welf and by marriage Duchess of Saxe-Coburg.
1595 Henri II d'Orléans Duke of Longueville a major figure in the civil war of France, the Fronde, and served as governor of Picardy, then of Normandy.
1595 Pieter de Molijn a Dutch Golden Age painter and engraver born in England.
1612 James Stewart 1st Duke of Richmond a Scottish nobleman. He was the eldest son of Esmé Stewart, 3rd Duke of Lennox and his wife Katherine Clifton, 2nd Baroness Clifton
1632 Maria Leopoldine of Austria the second spouse of her first cousin, Holy Roman Emperor Ferdinand III. As such, she was empress of the Holy Roman Empire. She died while giving birth to the couple's only child, Archduke Charles Joseph of Austria
1651 André Dacier a French classical scholar and editor of texts. He began his career with an edition and commentary of Festus' De verborum significatione, and was the first to produce a "readable" text of the 20-book work. His wife, Anne Dacier, was also an influential classical scholar and translator
1653 Frederick Louis Duke of Schleswig-Holstein-Sonderburg-Beck a Duke of Schleswig-Holstein-Sonderburg-Beck and field marshal of the Prussian Army. He was the son of August Philipp, Duke of Schleswig-Holstein-Sonderburg-Beck and Countess Marie Sibylle of Nassau-Saarbrücken
1660 Johann Kuhnau a German composer, organist and harpsichordist. He was the predecessor of Johann Sebastian Bach as Thomaskantor in Leipzig from 1701 to 1722
1664 Arvid Horn a Swedish soldier, diplomat and politician. He served twice as President of the Privy Council Chancellery and was one of the leading figures of the Swedish Age of Liberty
1671 Jean-Baptiste Rousseau a French dramatist and poet, particularly noted for his short cynical epigrams.
1672 André Cardinal Destouches a French composer best known for the opéra-ballet Les élémens.
1682 Princess Johanna Charlotte of Anhalt-Dessau a princess of Anhalt-Dessau from the House of Ascania by birth and Margravine of Brandenburg-Schwedt by marriage. From 1729 until her death she was Abbess of Herford Abbey
1706 Louis de Cahusac a French playwright and librettist, and Freemason, most famous for his work with the composer Jean-Philippe Rameau. He provided the libretti for several of Rameau's operas, namely Les fêtes de l'Hymen et de l'Amour , Zaïs , Naïs , Zoroastre , La naissance d'Osiris , and Anacréon. He is also credited with writing the libretto of Rameau's final work, Les Boréades. Cahusac contributed to the Encyclopédie and was the lover of Marie Fel
1708 Johann Georg Reutter an Austrian composer. According to Wyn Jones, in his prime he was "the single most influential musician in Vienna"
1725 Pasquale Paoli a Corsican patriot and leader, the president of the Executive Council of the General Diet of the People of Corsica. Paoli designed and wrote the Constitution of the state
1726 Gerard Majella C.Ss.R. was an Italian lay brother of the Congregation of the Redeemer, better known as the Redemptorists, who is honored as a saint by the Catholic Church. His intercession is sought for children, unborn children, women in childbirth, mothers, expectant mothers, motherhood, falsely accused people, good confessions, lay brothers and Muro Lucano, Italy
1732 José Celestino Mutis a Spanish priest, botanist and mathematician.
1741 Nicolas Chamfort a French writer, best known for his witty epigrams and aphorisms. He was secretary to Louis XVI's sister, and of the Jacobin club
1747 Jean Gaspard de Vence a French privateer, admiral and Maritime Prefect of Toulon.
1749 William Blount an American statesman and land speculator, and a signer of the United States Constitution. He was a member of the North Carolina delegation at the Constitutional Convention of 1787, and led efforts in North Carolina to ratify the Constitution in 1789. He subsequently served as the only governor of the Southwest Territory, and played a leading role in helping the territory gain admission to the Union as the State of Tennessee. He was selected as one of Tennessee's initial U.S. senators in 1796
1754 Frédéric-César de La Harpe a Swiss political leader and Vaudois patriot, who played a leading role in the creation of the Helvetic Republic.
1765 Charles Felix of Sardinia the Duke of Savoy, Piedmont, Aosta and King of Sardinia from 1821 to 1831.
1766 Wilhelm von Kobell a German painter, printmaker and teacher.
1767 Alexandre-Vincent Pineux Duval a French dramatist, sailor, architect, actor, theatre manager. He was the eighth member elected to occupy seat 4 of the Académie française in 1812
1768 Marie-Charles Damoiseau a French astronomer.
1773 James Mill a Scottish historian, economist, political theorist, and philosopher. He was a founder of classical economics, together with David Ricardo, and the father of John Stuart Mill, the philosopher of liberalism. His influential "History of British India" contains a complete denunciation and rejection of Indian culture and civilisation
1798 James Beckwourth an American mountain man, fur trader, and explorer. An African American born into slavery in Virginia, he was freed by his father and apprenticed to a blacksmith; later he moved to the American West. As a fur trapper, he lived with the Crow for years. He is credited with the discovery of Beckwourth Pass through the Sierra Nevada Mountains between present-day Reno, Nevada and Portola, California during the California Gold Rush years, and improved the Beckwourth Trail, which thousands of settlers followed to central California
1801 Hugh Rose 1st Baron Strathnairn a senior British Army officer. He served as a military adviser to the Ottoman Army who were seeking to secure the expulsion of the forces of Mehemet Ali from Syria during the Egyptian–Ottoman War. He then fought with the French Army at the Battle of Alma, the Battle of Inkerman and at the Battle of Mamelon during the Crimean War. During the Indian Mutiny Rose was given command of the Central Indian Field Force and secured the defeat of the mutineers at Jhansi in April 1858, at Lahore in May 1858 and at Gwalior in June 1858. He went on to be Commander of the Bombay Army, Commander-in-Chief, India and then Commander-in-Chief, Ireland
1803 Ralph Abercromby 2nd Baron Dunfermline a Scottish nobleman and diplomat, styled The Honourable from 1839 to 1858.
1806 Friedrich Wilhelm Ritschl a German scholar best known as a student of Plautus.
1810 Philip Henry Gosse an English naturalist and popularizer of natural science, virtually the inventor of the seawater aquarium, and a painstaking innovator in the study of marine biology. Gosse was also the author of Omphalos, an attempt to reconcile the geological ages presupposed by Charles Lyell with the biblical account of creation. After his death, Gosse was portrayed as a despotic father of uncompromising religious views in Father and Son , a memoir written by his son, the poet and critic Edmund Gosse
1812 Alexander Herzen a Russian writer and thinker known as the "father of Russian socialism" and one of the main fathers of agrarian populism. He is held responsible for creating a political climate leading to the emancipation of the serfs in 1861. His autobiography My Past and Thoughts, written with grace, energy, and ease, is often considered the best specimen of that genre in Russian literature. He also published the important social novel Who is to Blame?
1812 Aaron Bernstein a German Jewish author, reformer and scientist.
1814 Miklós Ybl one of Europe's leading architects in the mid to late nineteenth century as well as Hungary's most influential architect during his career. His most well-known work is the Hungarian State Opera House in Budapest
1815 Robert Volkmann a German composer.
1816 Victor Antoine Signoret a French pharmacologist, physician and entomologist.
1818 Aasmund Olavsson Vinje remembered for poetry, travel writing, and his pioneering use of Landsmål.
1820 Nadar (photographer) the pseudonym of Gaspard-Félix Tournachon , a French photographer, caricaturist, journalist, novelist, and balloonist.
1823 Joseph Medill an American newspaper editor, publisher, and politician. He was co-owner and managing editor of the Chicago Tribune, and was Mayor of Chicago
1824 George Marsden Waterhouse a Premier of South Australia from 8 October 1861 until 3 July 1863 and the seventh Premier of New Zealand from 11 October 1872 to 3 March 1873.
1826 Gustave Moreau a French Symbolist painter whose main emphasis was the illustration of biblical and mythological figures. As a painter, Moreau appealed to the imaginations of some Symbolist writers and artists
1828 C. F. Varley an English engineer, particularly associated with the development of the electric telegraph and the transatlantic telegraph cable.
1828 Charles W. Field a career military officer, serving in the United States Army and then, during the American Civil War, in the Confederate States Army. His division was considered as one of the finest in the Army of Northern Virginia. Field was one of a handful of American officers who advised the army of Egypt following the Civil War
1828 Willoughby Smith an English electrical engineer who discovered the photoconductivity of the element selenium. This discovery led to the invention of photoelectric cells, including those used in the earliest television systems
1833 Johan Hendrik Caspar Kern a Dutch linguist and Orientalist. In the literature, he is usually referred to as Kern or Hendrik Kern; a few other scholars bear the same surname
1836 Nikolay Sklifosovsky a Russian surgeon and physiologist of Ukrainian origin. He was born near the town of Dubasari, which is now in Transnistria. Sklifosovsky was a professor of medicine in Saint Petersburg and Kiev. The Moscow Institute of Emergency First Aid, often abbreviated as Sklif, bears his name since 1923
1836 Ronglu a Manchu statesman and general during the late Qing dynasty. Born into the powerful Guwalgiya clan of the Plain White Banner in the Eight Banners, he was cousin to Empress Dowager Cixi. He served in a number of important positions in the Imperial Court, including the Zongli Yamen and the Grand Council, Grand Scholar, Viceroy of Zhili, Beiyang Minister, Minister of Board of War, Nine Gates Infantry Commander, Wuwei Troop Commander that safeguard the military security of the Forbidden City