Died on August 9

378 Valens the Eastern Roman Emperor from 364 to 378. He was given the eastern half of the empire by his brother Valentinian I after the latter's accession to the throne. Valens, sometimes known as the Last True Roman, was defeated and killed in the Battle of Adrianople, which marked the beginning of the collapse of the decaying Western Roman Empire
803 Irene of Athens the commonly known name of Irene Sarantapechaina , Byzantine empress regnant from 797 to 802. Prior to becoming empress regnant, Irene was empress consort from 775 to 780, and empress dowager and regent from 780 to 797
833 Al-Ma'mun an Abbasid caliph who reigned from 813 until his death in 833. He succeeded his brother al-Amin who was killed during the siege of Baghdad
1048 Pope Damasus II Pope from 17 July 1048 to his death in 1048. He was the second of the German pontiffs nominated by Emperor Henry III. A native of Bavaria, he was the third German to become Pope and had one of the shortest papal reigns. He was bishop of Brixen when the Emperor raised him to the papacy
1078 Peter I Count of Savoy count of Savoy and margrave of Turin jointly with his brother Amadeus II of Savoy from 1060 to 1078. He ruled only nominally, as true power was in the hands of his mother, Adelaide of Susa
1107 Emperor Horikawa the 73rd emperor of Japan, according to the traditional order of succession.
1135 Wartislaw I Duke of Pomerania the first historical ruler of the Duchy of Pomerania and the founder of the Griffin dynasty.
1157 Canute V of Denmark a King of Denmark from 1146 to 1157, as co-regent in shifting alliances with his Sweyn III and Valdemar Canute was killed at the so-called Bloodfeast of Roskilde in 1157. Nothing certain is known about his person and character
1211 William de Braose 4th Lord of Bramber also Lord of Gower, Abergavenny, Brecknock, Builth, Radnor, Kington, Limerick, Glamorgan, Skenfrith, Briouze in Normandy, Grosmont, and White Castle.
1250 Eric IV of Denmark king of Denmark from 1241 until his death in 1250. He was the son of King Valdemar II by his wife, Berengaria of Portugal, and brother of King Abel and King Christopher I
1296 Hugh Count of Brienne the second surviving son of Count Walter IV of Brienne and Marie de Lusignan of Cyprus.
1327 Osman I the leader of the Ottoman Turks and the founder and namesake of the dynasty that established and ruled the Ottoman Empire. The state, while only a small principality during Osman's lifetime, would prevail as a world empire under Osman's dynasty for the next six centuries after his death. It existed until the abolition of the sultanate in 1922
1341 Eleanor of Anjou the Queen consort of Frederick III of Sicily. She was a member of the Capetian House of Anjou by birth
1420 Pierre d'Ailly a French theologian, astrologer, and cardinal of the Roman Catholic Church.
1492 Beatrice of Silva a noblewoman of Portugal, who became the foundress of the monastic Order of the Immaculate Conception of Our Lady in Spain. She is honored as a saint by the Roman Catholic Church
1516 Hieronymus Bosch an Early Netherlandish painter. His work is known for its use of fantastic imagery to illustrate moral and religious concepts and narratives
1534 Thomas Cajetan an Italian philosopher, theologian, cardinal and the Master of the Order of Preachers 1508-18. He was a leading theologian of his day who is now best known as the spokesman for Catholic opposition to the teachings of Martin Luther and the Protestant Reformation while he was the Pope's Legate in Wittenberg, and perhaps also among Catholics for his extensive commentary on the Summa Theologica of Thomas Aquinas
1601 Michael the Brave the Prince of Wallachia , of Transylvania , and of Moldavia. He united the three principalitiesnote 1 under a single rule for a short period of time
1634 William Noy a noted British jurist.
1646 Margherita Aldobrandini a Duchess consort of Parma. She was the regent of Parma 1626-1628
1650 Jerzy Ossoliński a Polish nobleman , Crown Court Treasurer from 1632, governor of Sandomierz from 1636, Reichsfürst since 1634, Crown Deputy Chancellor from 1639, Great Crown Chancellor from 1643, sheriff of Bydgoszcz , Lubomel , Puck and Bolim , magnate, politician and diplomat. Famous for being extensively educated, he was a skillful politician and a persuasive public speaker
1652 Jan Dirksz Both a Dutch painter, draughtsman, and etcher, who made an important contribution to the development of Dutch Italianate landscape painting.
1652 Frédéric Maurice de La Tour d'Auvergne ruler of the independent principality of Sedan, and a general in the French royal army. Born in Sedan, Ardennes, he was the son of Henri de La Tour d'Auvergne, Duke of Bouillon, Prince of Sedan and Elisabeth of Orange-Nassau. His brother was the renowned Turenne, Marshal of France. Raised as a Protestant, he received a military education in Holland under his uncles, Maurice of Nassau, Prince of Orange and Frederick Henry of Nassau, Prince of Orange
1696 Wacław Potocki a Polish nobleman , moralist, poet, and writer. He was the podczaszy of Kraków from 1678 to 1685. He is remembered as one of the most important Polish baroque artists. His most famous works are: Transakcja wojny chocimskiej and his collection of epigrams, Ogród fraszek. They give a vivid picture of ideas and manners among the szlachta towards the end of the Polish Golden Age, and of many political and religious conflicts
1720 Simon Ockley a British Orientalist.
1744 James Brydges 1st Duke of Chandos the first of fourteen children of Sir James Brydges, 3rd Baronet of Wilton Castle, Sheriff of Herefordshire, 8th Baron Chandos; and Elizabeth Barnard. Three days after his father's death on 16 October 1714, when he became 9th Baron Chandos, he was created 1st Viscount Wilton and 1st Earl of Carnarvon; he became 1st Duke of Chandos and 1st Marquess of Carnarvon in 1719. He was a member of parliament for Hereford from 1698 to 1714
1790 James Trevenen an officer in the Royal Navy and the Imperial Russian Navy.
1805 Nikolay Zubov the eldest of the Zubov brothers who, together with Count Pahlen, masterminded the conspiracy to assassinate Tsar Paul of Russia.
1807 Valentin Rose (pharmacologist) a German pharmacologist from Berlin, Margraviate of Brandenburg. Son of Valentin Rose the Elder
1809 Josef Philipp Vukassovich a Croatian soldier who joined the army of Habsburg Monarchy and fought against both Ottoman Empire and the First French Republic. During the French Revolutionary Wars, he commanded a brigade in the 1796–1797 Italian campaign against Napoleon Bonaparte. He led a division during the Napoleonic Wars and received a fatal wound in action
1814 Antin Angelovych the first Metropolitan Archbishop of the re-built Metropolitan of Lviv from 1808 until his death in 1814.
1816 Johann August Apel a German writer and jurist. Apel was born and died in Leipzig
1817 Leopold III Duke of Anhalt-Dessau a German prince of the House of Ascania. From 1751 until 1807 he was Reigning prince of the Principality of Anhalt-Dessau and from 1807 the first Duke of the Duchy of Anhalt-Dessau
1820 Anders Erikson Sparrman a Swedish naturalist, abolitionist and an apostle of Carl Linnaeus.
1828 Friedrich Bouterwek born to a mining director at Oker, today a district of Goslar in Lower Saxony, and studied law and philology under Christian Gottlob Heyne and Johann Georg Heinrich Feder at the University of Göttingen.
1848 Frederick Marryat a British Royal Navy officer, novelist, and an acquaintance of Charles Dickens, noted today as an early pioneer of the sea story. He is now known particularly for the semi-autobiographical novel Mr Midshipman Easy and his children's novel The Children of the New Forest, and for a widely used system of maritime flag signalling, known as Marryat's Code
1851 Karl Gützlaff a German missionary to the Far East, notable as one of the first Protestant missionaries in Bangkok, Thailand and in Korea. He wrote widely read books, such as Journal of Three Voyages along the Coast of China in 1831, 1832 and 1833, with notices of Siam, Corea, and the Loo-Choo Islands. He served as interpreter for British diplomatic missions during the First Opium War. Gutzlaff was one of the first Protestant missionaries in China to wear Chinese clothing. Gutzlaff Street in Hong Kong was named after him
1852 Casimir Lefaucheux a French gunsmith. He was born in Bonnétable and died in Paris
1853 Józef Maria Hoene-Wroński a Polish Messianist philosopher who worked in many fields of knowledge, not only as philosopher but also as mathematician, physicist, inventor, lawyer, and economist. He was born Hoene but changed his name in 1815
1854 Frederick Augustus II of Saxony King of Saxony and a member of the House of Wettin.
1877 Timothy Abbott Conrad an American geologist and malacologist.
1883 Robert Moffat (missionary) a Scottish Congregationalist missionary to Africa, and father-in-law of David Livingstone.
1883 Yulia Zhadovskaya a Russian poet and writer of fiction.
1886 Samuel Ferguson an Irish poet, barrister, antiquarian, artist and public servant. Perhaps the most important Ulster-Scot poet of the 19th century, because of his interest in Irish mythology and early Irish history he can be seen as a forerunner of William Butler Yeats and the other poets of the Irish Literary Revival
1888 Charles Cros a French poet and inventor. He was born in Fabrezan, Aude, France, 35 km to the East of Carcassonne
1890 Eduard von Bauernfeld born at Vienna.
1890 Jeptha Wade an American industrialist, philanthropist, and one of the founding members of Western Union Telegraph. Wade was born in Romulus, New York, the youngest of nine children of Jeptha and Sarah Wade. He made the first Daguerreotypes west of New York, was a portrait painter, and moved to Adrian, Michigan in 1840 before developing an interest in the telegraph
1899 Edward Frankland a British chemist. He was an expert in water quality and analysis, and originated the concept of combining power, or valence, in chemistry. He was also one of the originators of organometallic chemistry
1899 Grand Duke George Alexandrovich of Russia the third son of Emperor Alexander III and Empress Marie of Russia. At times he was referred to by his relatives as "weeping willow" and was a much beloved member of the imperial family
1902 Moritz Szeps an Austrian journalist and newspaper owner.