Born on August 20

535 Mochta the last surviving disciple of Patrick.
1086 Bolesław III Wrymouth a Prince of Lesser Poland, Silesia and Sandomierz between 1102-1107 and over the whole Poland between 1107-1138. He was the only child of Prince Władysław I Herman and his first wife Judith, daughter of Vratislaus II of Bohemia
1179 William le Gros 1st Earl of Albemarle the Count of Aumale , Earl of York, and Lord of Holderness. He was the eldest son of Stephen, Count of Aumale, and his spouse, Hawise, daughter of Ralph de Mortimer of Wigmore
1377 Shahrukh Mirza the Timurid ruler of the eastern portion of the empire established by his father, Central Asian warlord Timur who founded the Timurid dynasty, governing most of Persia and Transoxiana between 1405 and 1447. Shāhrukh was the fourth and youngest son of Timur and child of one of his concubines
1517 Antoine Perrenot de Granvelle a Burgundian statesman, made a cardinal, who followed his father as a leading minister of the Spanish Habsburgs, and was one of the most influential European politicians during the time which immediately followed the appearance of Protestantism in Europe; "the dominating Imperial statesman of the whole century". He was also a notable art collector, the "greatest private collector of his time, the friend and patron of Titian and Leoni and many other artists"
1561 Jacopo Peri often called the inventor of opera. He wrote the first work to be called an opera today, Dafne , and also the first opera to have survived to the present day, Euridice
1597 Józef Bartłomiej Zimorowic a Polish poet and historian of the Baroque era, most famous for his pastoral poems Sielanki nowe ruskie , first published in Kraków in 1663. He was born into a Lwów Armenian family, his father was of a stonemason, Stanisŀaw Ozimek, and educated at the cathedral school in the city. He began to work for the city chancellery and in 1624 changed his surname to Zimorowic in order to advance his career by distancing himself from his artisanal background. He married Katarzyna Duchnicówna, the daughter of a rich goldsmith. In 1640, he took over the running of the city chancellery, became a councillor and was several times mayor of Lwów, which allowed him to take part in the election of King Jan Kazimierz in 1648
1609 Jean Rotrou a French poet and tragedian.
1613 Duchess Elisabeth Sophie of Mecklenburg a German poet and composer.
1625 Thomas Corneille a French dramatist.
1632 Louis Bourdaloue a French Jesuit and preacher.
1664 János Pálffy a Hungarian noble, Imperial Field marshal and Palatine of Hungary.
1671 Qamar-ud-din Khan Asif Jah I a Mughal and Turkic nobleman the founder of the Asaf Jahi dynasty. He established the Hyderabad state, and ruled it from 1724 to 1748. He is also known by his titles Chin Qilich Khan , Nizam-ul-Mulk and Asaf Jah
1672 George Ducas three times Prince of Moldavia and one time Prince of Wallachia.
1685 Farrukhsiyar the Mughal emperor between 1713 and 1719. Noted as a handsome ruler he was easily swayed by his advisers, he lacked the ability, knowledge and character to rule independently. He was the son of Azim-ush-Shan—the second son of emperor Bahadur Shah I—and Sahiba Nizwan
1694 Christiane Charlotte of Württemberg-Winnental a German princess of the Württemberg-Winnental line. Born in Kirchheim unter Teck, her parents were Frederick Charles, Duke of Württemberg-Winnental, and his wife Eleonore Juliane of Brandenburg-Ansbach, a daughter of Albert II, Margrave of Brandenburg-Ansbach
1710 Thomas Simpson a British mathematician, inventor and eponym of Simpson's rule to approximate definite integrals. The attribution, as often in mathematics, can be debated: this rule had been found 100 years earlier by Johannes Kepler, and in German is the so-called Keplersche Fassregel
1719 Christian Mayer (astronomer) a Czech astronomer and teacher.
1720 Bernard de Bury a French musician and court composer of the late Baroque era.
1730 Paul Henri Mallet a Swiss writer.
1740 Henry Jerome de Salis an English churchman. He was Rector of Antholin in the City of London and Vicar of Wing in Buckinghamshire. He was also known as: Revd Henry Jerome de Salis, MA; the Hon. & Rev. Henry Jerome De Salis, Count of the Holy Roman Empire; de Salis; Rev. Henry Jerome de Salis, and, from 1809, Rev. Count Henry Jerome de Salis
1742 Tadeusz Rejtan a Polish nobleman. He was a member of the Polish Sejm from the constituency of Nowogródek. Rejtan is remembered for a dramatic gesture he made in September 1773, as a deputy of the Partition Sejm. There, Rejtan tried to prevent the legalization of the first partition of Poland, a scene that has been immortalized in the painting Rejtan by Jan Matejko. He has been the subject of many other art works, and is a symbol of patriotism in Poland. Despite his efforts, the partition of Poland was legalized soon afterwards
1752 Landgravine Friederike of Hesse-Darmstadt a member of the House of Hesse and by marriage a Duchess of Mecklenburg-Strelitz.
1757 Friedrich Karl Ludwig Duke of Schleswig-Holstein-Sonderburg-Beck the fifth and penultimate Duke of Schleswig-Holstein-Sonderburg-Beck. Friedrich Karl Ludwig was the son of Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck and his wife Countess Charlotte of Dohna-Schlodien
1760 Sir Alexander Campbell 1st Baronet a senior officer of the British Army during the early nineteenth century. His long and varied career saw extensive action, including engagements in Europe during the American Revolutionary War, in India during the Fourth Anglo-Mysore War and subsequently in the Peninsular War as one of the Duke of Wellington's generals. Badly wounded during the Peninsular campaign, Campbell was rewarded with a knighthood and a baronetcy, later holding a number of prestigious military commands
1764 Samuel L. Mitchill an American physician, naturalist, and politician who lived in Plandome, New York.
1778 Bernardo O'Higgins a Chilean independence leader who, together with José de San Martín, freed Chile from Spanish rule in the Chilean War of Independence. Although he was the second Supreme Director of Chile , he is considered one of Chile's founding fathers, as he was the first holder of this title to head a fully independent Chilean state. O'Higgins was of Spanish and Irish ancestry
1779 Jöns Jacob Berzelius a Swedish chemist. Berzelius is considered, along with Robert Boyle, John Dalton, and Antoine Lavoisier, to be one of the founders of modern chemistry
1797 Francesco Zantedeschi an Italian priest and physicist.
1799 James Prinsep an English scholar, orientalist and antiquary. He was the founding editor of the Journal of the Asiatic Society of Bengal and is best remembered for deciphering the Kharosthi and Brahmi scripts of ancient India. He studied, documented and illustrated many aspects of numismatics, metallurgy, meteorology apart from pursuing his career in India as an assay master at the mint in Benares
1801 Jacques Leroy de Saint Arnaud a French soldier and Marshal of France. He served as French Minister of War until the Crimean War when he became Commander-in-chief of the army of the East
1801 Arcisse de Caumont a French historian and archaeologist.
1802 Frederick William Elector of Hesse I was, between 1847 and 1866, the last Elector of Hesse-Kassel.
1807 Narcisse Virgilio Díaz a French painter of the Barbizon school.
1810 Ludwig von Rochau a German journalist and politician. He engaged in the Frankfurter Wachensturm of 1833 and subsequently spent ten years of exile in France. He published the famous Grundsätze der Realpolitik: angewendet auf die staatlichen Zustände Deutschlands in 1853. From this work, the Austrian diplomat Klemens Wenzel, Prince von Metternich coined the term "Realpolitik," a political philosophy based on a practical or pragmatic approach to political policy
1813 Vladimir Sollogub a minor Russian writer, author of novelettes, essays, plays, and memoirs.
1814 Raffaele Piria an Italian chemist from Scilla, lived in Palmi, who converted the substance Salicin into a sugar and a second component, which on oxidation becomes salicylic acid, a major component of the analgesic drug Aspirin. Other reactions discovered by Piria were the conversion of aspartic acid to malic acid by action of nitrogen dioxide, and the reaction of aromatic nitro compounds with sulfite towards aminosulfonic acids
1817 Cölestin Josef Ganglbauer a Cardinal of the Roman Catholic Church and Archbishop of Vienna.
1818 John Ball (naturalist) an Irish politician, naturalist and Alpine traveller.
1824 Alois Bubák a Czech painter of landscapes and an illustrator.
1827 Charles De Coster a Belgian novelist whose efforts laid the basis for a native Belgian literature.
1827 Josef Strauss an Austrian composer.
1830 Gerhard vom Rath a German mineralogist, born at Duisburg in Prussia.
1831 Eduard Suess an Austrian geologist who was an expert on the geography of the Alps. He is responsible for hypothesising two major former geographical features, the supercontinent Gondwana and the Tethys Ocean
1832 Olexander Paul a Ukrainian archaeologist, geologist, ethnographer and businessman who became world famous after discovering Kryvbas, the main iron ore region of Eastern Europe. He studied Krivoy Rog iron ore for 15 years and proved its industrial importance, personally contributed to the fact that in 1881 began industrial development, which determined the further rapid economic development of Dnieper region
1833 Benjamin Harrison the 23rd President of the United States ; he was the grandson of the ninth President, William Henry Harrison. Harrison had become a prominent local attorney, Presbyterian church leader and politician in Indianapolis, Indiana. During the American Civil War, he served the Union for most of the war as a colonel and on February 14, 1865 was confirmed by the U.S. Senate as a brevet brigadier general of volunteers to rank from January 23, 1865. Afterwards, he unsuccessfully ran for the governorship of Indiana but was later elected to the U.S. Senate by the Indiana legislature
1834 Louis A. Wiltz an American politician from the state of Louisiana. He served as 29th Governor of Louisiana from 1880 to 1881 and before that time was mayor of New Orleans, lieutenant governor of Louisiana, and a member of the Louisiana House of Representatives
1843 Christina Nilsson a Swedish operatic soprano. She possessed a brilliant bel canto technique and was considered a rival to the Victorian era's most famous diva, Adelina Patti. Nilsson became a member of the Royal Swedish Academy of Music in 1869
1845 Albert Chmielowski a Polish Religious Brother and founder of the Albertine Brothers and Sisters. He is honored as a saint of the Catholic Church. Albert is known in Polish as Brat Albert ; in recognition of his holiness, he is often called "Our God's Brother"
1846 Duke Eugen of Württemberg (1846–1877) a German prince and a staff officer of Württemberg.