Died on September 12

551 Sacerdos of Lyon a French saint whose Feast Day is September 12. He was Archbishop of Lyon, France from 544 to September 12, 551. He was the son of Rusticus, Archbishop of Lyon, and wife
640 Sak K'uk' now eastern Mexico.
1015 Lambert I Count of Louvain the first Count of Louvain in 1003. He was killed by Godfrey II, Duke of Lower Lorraine in battle for Godfrey's claim of Count of Verdun
1167 Welf VII the only son of Welf VI, Duke of Spoleto and Margrave of Tuscany, and Uta, daughter of Godfrey of Calw, count palatine of the Rhine. He was a member of the House of Welf
1185 Andronikos I Komnenos Byzantine Emperor from 1183 to 1185. He was the son of Isaac Komnenos and grandson of Emperor Alexios I Komnenos
1213 Peter II of Aragon the King of Aragon and Count of Barcelona from 1196 to 1213.
1348 Joan the Lame Queen of France as the first wife of King Philip Joan served as regent while her husband fought on military campaigns during the Hundred Years' War.
1362 Pope Innocent VI Pope from 18 December 1352 to his death in 1362. He was the fifth Avignon Pope
1368 Blanche of Lancaster a member of the English royal House of Plantagenet, daughter of the kingdom's wealthiest and most powerful peer, Henry of Grosmont, 1st Duke of Lancaster. She was the first wife of John of Gaunt, 1st Duke of Lancaster, and the mother of King Henry IV
1435 William III Duke of Bavaria Duke of Bavaria-Munich , together and in concord with his older brother Ernest, Duke of Bavaria. William III was a son of John II and a member of the Parakeet Society
1500 Albert III Duke of Saxony a Duke of Saxony. He was nicknamed Albert the Bold or Albert the Courageous and founded the Albertine line of the House of Wettin
1544 Clément Marot a French poet of the Renaissance period.
1573 Archibald Campbell 5th Earl of Argyll one of the leading figures in the politics of Scotland during the reign of Mary, Queen of Scots, and the early part of that of James VI.
1611 Simon Forman an Elizabethan astrologer, occultist and herbalist active in London during the reigns of Queen Elizabeth I and James I of England. His reputation, however, was severely tarnished after his death when he was implicated in the plot to kill Sir Thomas Overbury. Writers from Ben Jonson to Nathaniel Hawthorne came to characterize him as either as a fool or an evil magician in league with the devil
1612 Vasili IV of Russia Tsar of Russia between 1606 and 1610 after the murder of False Dmitriy His reign fell during the Time of Troubles. He was the only member of House of Shuysky to become Tsar and the last member of the Rurikid dynasty to rule
1640 William Alexander 1st Earl of Stirling a Scottish courtier and poet who was involved in the Scottish colonisation of Port Royal, Nova Scotia and Long Island, New York. His literary works include Aurora , The Monarchick Tragedies and Doomes-Day
1642 Henri Coiffier de Ruzé Marquis of Cinq-Mars a favourite of King Louis XIII of France who led the last and most nearly successful of the many conspiracies against the king's powerful first minister, the Cardinal Richelieu.
1651 William Hamilton 2nd Duke of Hamilton a Scottish nobleman who supported both Royalist and Presbyterian causes during the Wars of the Three Kingdoms.
1660 Jacob Cats a Dutch poet, humorist, jurist and politician. He is most famous for his emblem books
1661 Christoph Bach (musician) a German musician of the Baroque period. He was the grandfather of Johann Sebastian Bach
1665 Jean Bolland a Jesuit priest and prominent Flemish hagiographer.
1672 Tanneguy Le Fèvre a French classical scholar.
1674 Nicolaes Tulp a Dutch surgeon and mayor of Amsterdam. Tulp was well known for his upstanding moral nothing and as the subject of Rembrandt's famous painting The Anatomy Lesson of Dr Nicolaes Tulp
1683 Juraj Križanić often regarded as the earliest recorded pan-Slavist.
1683 Afonso VI of Portugal King of Portugal and the Algarves, the second of the House of Braganza, known as "the Victorious".
1685 Jacob Abendana hakham of London from 1680 until his death. Jacob was the eldest son of Joseph Abendana and brother to Isaac Abendana
1691 John George III Elector of Saxony Elector of Saxony from 1680 to 1691. He belonged to the Albertine line of the House of Wettin
1693 Gabrielle de Rochechouart de Mortemart a French noblewoman. A great beauty and wit, she was the older sister of Françoise de Rochechouart de Mortemart, Madame de Montespan
1712 Jan van der Heyden a Dutch Baroque-era painter, draughtsman, printmaker, a mennonite and inventor who significantly contributed to contemporary firefighting. He improved the fire hose in 1672, with his brother Nicolaes, who was a hydraulic engineer. He modified the manual fire engines, reorganised the volunteer fire brigade and wrote and illustrated the first firefighting manual. A comprehensive street lighting scheme for Amsterdam, which lasted from 1669 until 1840, designed and implemented by Van der Heyden, was adopted as a model by many other towns and abroad
1739 Ernest Louis Landgrave of Hesse-Darmstadt Landgrave of Hesse-Darmstadt from 1678 to 1739. His parents were Landgrave Louis VI of Hesse-Darmstadt and Elisabeth Dorothea of Saxe-Gotha-Altenburg
1739 Reinhard Keiser a popular German opera composer based in Hamburg. He wrote over a hundred operas. Johann Adolf Scheibe considered him an equal to Johann Kuhnau, George Frideric Handel and Georg Philipp Telemann , but his work was largely forgotten for many decades
1759 Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck the son of Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck and Princess Sophie of Hesse-Philippsthal.
1764 Jean-Philippe Rameau one of the most important French composers and music theorists of the Baroque era. He replaced Jean-Baptiste Lully as the dominant composer of French opera and is also considered the leading French composer for the harpsichord of his time, alongside François Couperin
1775 Charles-Louis Mion a French composer of the Baroque era. He was the grand-nephew of Michel Richard Delalande who also taught him music. Between 1710 and 1718 he was a choirboy at the Sainte-Chapelle du Palais. Later in life he became music teacher to his patroness Madame de Pompadour. In 1755 he was appointed master of music to Les Enfants de France. He wrote motets and operas, one of which earned him a royal pension of 2,000 livres
1778 Duke Louis of Mecklenburg-Schwerin heir to the Dukedom of Mecklenburg-Schwerin from 1756 to his death. He was also the father of the first Grand Duke of Mecklenburg-Schwerin Frederick Francis I
1779 Richard Grenville-Temple 2nd Earl Temple a British politician. He is best known for his association with his brother-in-law William Pitt who he served with in government during Britain's participation in the Seven Years War between 1756 and 1761. He resigned along with Pitt in protest at the cabinet's failure to declare war on Spain
1781 Peter Scheemakers a Flemish sculptor who worked for most of his life in London, Great Britain where his public and church sculptures in a classicist style had an important influence on the development of sculpture.
1789 Franz Xaver Richter an Austro-Moravian singer, violinist, composer, conductor and music theoretician who spent most of his life first in Austria and later in Mannheim and in Strasbourg, where he was music director of the cathedral. From 1783 on Haydn’s favourite pupil Ignaz Pleyel was his deputy at the cathedral
1792 Ulrike Louise of Solms-Braunfels a Countess of Solms-Braunfels by birth, and by marriage a Landgravine of Hesse-Homburg. From 1751 to 1766, she was also regent of Hesse-Homburg, on behalf of her minor son from 1751 to 1766, and regent of the county land
1800 John Blair Jr. an American politician, Founding Father and jurist.
1810 Sir Francis Baring 1st Baronet an English merchant banker, a member of the Baring family, later becoming the first of the Baring baronets.
1812 Elias Stein (chess player) a Dutch chess master.
1813 Edmund Randolph an American attorney, the seventh Governor of Virginia, the second Secretary of State, and the first United States Attorney General.
1814 Robert Ross (British Army officer) an Irish officer in the British Army who participated in the Napoleonic Wars and the War of 1812. He is most well known for the Burning of Washington, which included the destruction of the White House and The Capitol, and for his failure to invest Baltimore. He died at the Battle of North Point before the infamous Bombardment of Fort McHenry the next day
1819 Gebhard Leberecht von Blücher a Prussian Generalfeldmarschall who led his army against Napoleon I at the Battle of the Nations at Leipzig in 1813 and the Battle of Waterloo in 1815. He was made an honorary citizen of Berlin, Hamburg and Rostock, and was nicknamed "German: Marschall Vorwärts" by the soldiers he commanded because of his aggressive approach in warfare
1829 Juan Ignacio Molina a Chilean Jesuit priest, naturalist, historian, botanist, ornithologist and geographer. He is usually referred to as Abate Molina , and is also sometimes known by the Italian form of his name, Giovanni Ignazio Molina
1831 Jippensha Ikku the pen name of Shigeta Sadakazu , a Japanese writer active during the late Edo period of Japan. He lived primarily in Edo in the service of samurai, but also spent some time in Osaka as a townsman. He was among the most prolific yellow-backed novel writers of the late Edo period — between 1795 and 1801 he wrote a minimum of twenty novels a year, and thereafter wrote sharebon , kokkeibon and over 360 illustrated stories
1836 Christian Dietrich Grabbe a German dramatist of the Vormärz era. He wrote many historical plays conceiving a disillusioned and pessimistic world view, with some shrill scenes. Heinrich Heine saw him as one of Germany's foremost dramatists, calling him "a drunken Shakespeare"
1837 Friedrich August Rosen a German Orientalist, brother of Georg Rosen and a close friend of Felix Mendelssohn Bartholdy. He studied in Leipzig, and from 1824 in Berlin under Franz Bopp. He was briefly professor of oriental literature at the University of London and became secretary of the Royal Asiatic Society in 1831
1838 Ludwig-Wilhelm Tepper de Ferguson a Polish–Russian musician and composer, a music teacher mainly associated with the Imperial Lycée in Tsarskoye Selo.