Born on May 1

1218 John I Count of Hainaut the count of Hainaut from 1246 to his death. Born in Houffalize, he was the eldest son of Margaret II of Flanders by her first husband, Bouchard IV of Avesnes. As the marriage of Margaret and Bouchard was papally dissolved, he was considered illegitimate
1218 Rudolf I of Germany King of the Romans from 1273 until his death. Rudolf was the first of the count-kings, so-called by the historian Bernd Schneidmüller
1224 Jean de Joinville one of the great chroniclers of medieval France. He is most famous for writing Life of Louis, a biography of Louis IX of France that chronicled the Seventh Crusade
1238 Magnus VI of Norway King of Norway from 1263 to 1280. One of his greatest achievements was his modernisation and nationalisation of the Norwegian law-code, after which he is known as Magnus the Law-mender. He was the first Norwegian monarch known to personally have used an ordinal number, although originally counting himself as "IV"
1278 William II of Villehardouin the last Villehardouin prince of Achaea and ruled the principality at the height of its power and influence.
1285 Edmund FitzAlan 9th Earl of Arundel an English nobleman prominent in the conflict between Edward II and his barons. His father, Richard FitzAlan, 2nd Earl of Arundel, died 09/03/1301 while Edmund was still a minor. He therefore became a ward of John de Warenne, Earl of Surrey, and married Warenne's granddaughter Alice. In 1306 he was styled Earl of Arundel, and served under Edward I in the Scottish Wars, for which he was richly rewarded
1326 Rinchinbal Khan Emperor Ningzong of Yuan a son of Kuśala who was briefly installed to the throne of the Yuan Dynasty, but died soon after he seized the throne of Great Khan of the Mongols and Emperor of China. He was the shortest-reigning Mongol emperor in history
1503 Celio Secondo Curione an Italian humanist, grammarian and suspected antitrinitarian. He may have assisted or influenced Castellio in his anonymous tract appealing for religious tolerance
1582 Marco da Gagliano an Italian composer of the early Baroque era. He was important in the early history of opera and the development of the solo and concerted madrigal
1585 Sophia Olelkovich Radziwill the last descendant of the family Olelkovich-Slutsk who were descended from Prince Algirdas. She was canonized by the Orthodox Church in 1983. The church of Sophia of Slutsk in Minsk is named after her
1592 Johann Adam Schall von Bell a German Jesuit and astronomer. He spent most of his life as a missionary in China and became an adviser to the Shunzhi Emperor of the Qing dynasty
1594 John Haynes a colonial magistrate and one of the founders of the Connecticut Colony. He served one term as governor of the Massachusetts Bay Colony and was the first governor of Connecticut, ultimately serving eight separate terms
1604 Louis Count of Soissons Count of Soissons. He was the son of Charles de Bourbon, Count of Soissons and Anne de Montafié. He was the second cousin of King Louis XIII of France and a held the rank of prince of the blood
1644 Jean Jouvenet a French painter, especially of religious subjects.
1671 Claude Capperonnier born at Montdidier. Though destitute of a learned education, he attained a considerable knowledge of the Latin and Greek, of which last language he became professor at Paris. He studied at Amiens and Paris, and took orders in the Church of Rome, but devoted himself almost entirely to classical studies. He declined a professorship in the University of Basle, and was afterwards appointed to the Greek chair in the Collège de France
1672 Joseph Addison an English essayist, poet, playwright, and politician. He was the eldest son of The Reverend Lancelot Addison. His name is usually remembered alongside that of his long-standing friend, Richard Steele, with whom he founded The Spectator magazine
1680 Konstanty Władysław Sobieski the son of Jan III Sobieski, King of Poland, and his wife, Marie Casimire Louise de la Grange d'Arquien. In 1708 he married Maria Józefa Wessel
1731 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
1734 Sir Joshua Rowley 1st Baronet the fourth son of Admiral Sir William Rowley. Sir Joshua was from an ancient English family, originating in Staffordshire and was born on 1 May 1734 in Dublin Rowley served with distinction in a number of battles throughout his career and was highly praised by his contemporaries. Unfortunately whilst his career was often active he did not have the opportunity to command any significant engagements and always followed rather than led. His achievements have therefore been eclipsed by his contemporaries such as Keppel, Hawke, Howe and Rodney. Rowley however remains one of the stalwart commanders of the wooden walls that kept Britain safe for so long
1735 Jan Hendrik van Kinsbergen a Dutch naval officer. Having had a good scientific education, Van Kinsbergen was a proponent of fleet modernization and wrote many books about naval organization, discipline and tactics
1751 Judith Sargent Murray an early American advocate for women's rights, an essayist, playwright, poet, and letter writer. She was one of the first American proponents of the idea of equality of the sexes—that women, like men, had the capability of intellectual accomplishment and should be able to achieve economic independence. Among many other influential pieces, her landmark essay "On the Equality of the Sexes" paved the way for new thoughts and ideas proposed by other feminist writers of the century
1763 Hugues-Bernard Maret duc de Bassano a French statesman and journalist.
1764 Benjamin Henry Latrobe best known for his design of the United States Capitol, on "Capitol Hill" in Washington, D.C., along with his additional later work on the Old Baltimore Cathedral/The Baltimore Basilica. The first Roman Catholic Cathedral constructed in the United States, was built on "Cathedral Hill" along Cathedral Street, between West Franklin and West Mulberry Streets in the future Mount Vernon-Belvedere neighborhood, then known as "Howard's Woods", a part of the country estate of "Belvidere" of American Revolutionary War hero and commander of the famed "Maryland Line" regiments of the Continental Army, Col. John Eager Howard, , who owned and donated much of the land north of Baltimore Town. The new Catholic Cathedral site was north of and overlooking the city's downtown business district and the "harbor basin" of the Patapsco River. In addition, Latrobe also designed the largest structure in America at the time, the "Merchants' Exchange", an H-shaped, three-story structure between East Lombard, South Gay, German , Second, and Water Streets which contained offices and wings for the Federal government - , numerous maritime businesses, shippers and law firms, along with some city government offices , and miscellaneous meeting and classrooms. With extensive balconied atriums through the wings and a large central rotunda under a low dome which dominated the city and was completed in 1820 after five years of work following the War of 1812 and endured into the early 20th Century, when it was replaced by the current U.S. Custom House, completed 1904-1905. Latrobe was one of the first formally trained, professional architects in the new United States, drawing influences from his travels in Italy, as well as British and French Neoclassical architects such as Claude Nicolas Ledoux
1769 Arthur Wellesley 1st Duke of Wellington a British soldier and statesman, a native of Ireland from the Anglo-Irish Ascendancy, and one of the leading military and political figures of the 19th century. His importance in national history is such that he is often referred to as "the Duke of Wellington" instead of "the 1st Duke of Wellington"
1772 Karl Friedrich von Gaertner a well-known German botanist, and the son of Joseph Gaertner. He was a pioneer in the study of hybrids, and he is considered an important influence for Gregor Mendel
1780 Princess Augusta of Prussia a German salonist and Electress consort of Hesse. She was the third daughter and fifth child of Frederick William II of Prussia and Frederika Louisa of Hesse-Darmstadt. She was the first consort of William II, Elector of Hesse. Augusta was a talented painter. Among the messages left by her works are also self-portraits
1780 Philip Marheineke a German Protestant church leader within the Evangelical Church in Prussia.
1780 John McKinley a U.S. Senator from the state of Alabama and an associate justice of the United States Supreme Court
1787 Juan Felipe Ibarra an Argentine soldier and politician. He was one of the caudillos who dominated the Argentine interior during the formation of the national state, and ruled the province of his birth for decades
1803 James Clarence Mangan an Irish poet.
1807 František Zach a Czech-born soldier and military theorist, best known for being the first acting General and Chief of the General Staff to the Principality of Serbia from 1876 to 1877.
1811 Andreas Laskaratos a satirical poet and writer from the Ionian island of Cefalonia , representative of the Heptanese School. He was excommunicated by the Greek Orthodox Church because his satire targeted many of the church's prominent members
1812 Ignaz Kuranda an Austrian deputy and political writer.
1814 Prince Karl of Auersperg a Bohemian and an Austrian nobleman and statesman. He served as the 1st Minister-President of Cisleithania
1814 Marie-Alphonse Ratisbonne a French Jew who converted to Catholicism and became a Jesuit Catholic priest and missionary. He later was a co-founder of the Congregation of Our Lady of Sion, a religious congregation dedicated to the conversion of Jews to the Catholic faith
1817 Karl Isidor Beck an Austrian poet.
1820 Henry Yule a Scottish Orientalist. He published many travel books including translations of the work of Marco Polo and Mirabilia by the 14th century Dominican FriarJordanus. He was also the compiler of a dictionary of Anglo-Indian terms, the Hobson-Jobson along with Arthur Coke Burnell
1821 Karl von Scherzer an Austrian explorer, diplomat and natural scientist.
1822 Julius von Haast a German geologist. He founded Canterbury Museum at Christchurch, New Zealand
1824 Alexander William Williamson an English chemist of Scottish descent. He is best known today for the Williamson ether synthesis
1825 Johann Jakob Balmer a Swiss mathematician and mathematical physicist.
1825 George Inness an influential American landscape painter. His work was influenced, in turn, by that of the old masters, the Hudson River school, the Barbizon school, and, finally, by the theology of Emanuel Swedenborg, whose spiritualism found vivid expression in the work of Inness' maturity. Often called "the father of American landscape painting," Inness is best known for these mature works that not only exemplified the Tonalist movement but also displayed an original and uniquely American style
1826 Julian Sas-Kuilovsky the Metropolitan Archbishop of the Ukrainian Greek Catholic Church from 1899 until his death in 1900.
1827 August Cappelen a Norwegian painter. Cappelen was best known for his melancholic, dramatic and romantic landscape compositions
1827 Jules Breton a 19th-century French Realist painter. His paintings are heavily influenced by the French countryside and his absorption of traditional methods of painting helped make Jules Breton one of the primary transmitters of the beauty and idyllic vision of rural existence
1829 José de Alencar a Brazilian lawyer, politician, orator, novelist and dramatist. He is considered to be one of the most famous and influential Brazilian Romantic novelists of the 19th century, and a major exponent of the literary tradition known as "Indianism". Sometimes he signed his works with the pen name Erasmo
1829 Frederick Sandys an English Pre-Raphaelite painter, illustrator and draughtsman, of the Victorian era.
1830 Guido Gezelle an influential writer and poet and a Roman Catholic priest from Belgium. He is famous for the use of the West Flemish dialect
1831 Emily Stowe the first female doctor to practice in Canada and an activist for women's rights and suffrage. Stowe helped found the women's suffrage movement in Canada and campaigned for Canada's first medical college for women
1837 Walter Hauser a Swiss politician and member of the Swiss Federal Council.