Died on May 25

9 Julius Nepos Western Roman Emperor de facto from 474 to 475 and de jure until 480. He was also the ruler of Roman Dalmatia from 468 to 480. Some historians consider Nepos to be the last Western Roman Emperor, while others consider the western line to have ended with Romulus Augustulus in 476. In contrast, the Eastern Roman Empire and its line of Emperors survived this period of history essentially intact
615 Pope Boniface IV Pope from 25 September 608 to his death in 615. He is venerated as a saint in the Catholic Church
675 Li Hong a crown prince of the Chinese dynasty Tang Dynasty. He was the fifth son of Emperor Gaozong and the oldest son of his second wife Empress Wu , and he was made the crown prince in 656. As he grew older, he often came in conflict with his ambitious mother Empress Wu, and it is commonly believed by traditional historians that she poisoned him to death in 675. His father Emperor Gaozong, then still reigning, posthumously honored him with an imperial title
709 Aldhelm born before the middle of the 7th century. He is said to have been the son of Kenten, who was of the royal house of Wessex. He was certainly not, as his early biographer Faritius asserts, the brother of King Ine. After his death he was venerated as a saint, his feast day being the day of his death, 25 May
916 Flann Sinna the son of Máel Sechnaill mac Máele Ruanaid of Clann Cholmáin, a branch of the southern Uí Néill. He was King of Mide from 877 onwards and is counted as a High King of Ireland. His mother Lann was a sister of Cerball mac Dúnlainge the king of Osraige
992 Mieszko I of Poland the ruler of the Polans from about 960 until his death. A member of the Piast dynasty, he was a son of Siemomysł, a grandchild of Lestek, the father of Bolesław I the Brave , the likely father of Sigrid the Haughty and the grandfather of Cnut the Great
1085 Pope Gregory VII Pope from 22 April 1073 to his death in 1085.
1102 Pope Michael IV of Alexandria also known as Khail IV, 68th Pope of Alexandria & Patriarch of the See of Mark.
1200 Nicholas I Lord of Mecklenburg the ruling Lord of Mecklenburg from 1178 until his death. He was the son of Wertislaw, Lord of Rostock and Prince of the Obotrites
1261 Pope Alexander IV Pope from 12 December 1254 to his death in 1261.
1310 Otto III Duke of Carinthia a member of the Meinhardiner family. He was Duke of Carinthia from 1295 to 1310. He was also Count of Gorizia and Vienna. He was a son of Meinhard, Duke of Carinthia and his wife Elisabeth of Bavaria
1401 Maria Queen of Sicily Queen of Sicily and Duchess of Athens and Neopatria from 1377 until her death.
1448 Danutė of Lithuania a Lithuanian princess, daughter of Kęstutis, Grand Duke of Lithuania. She was married to Janusz I of Warsaw, one of the dukes of Masovia. Very little reliable information is known about her life
1452 John Stafford (bishop) an English statesman and Archbishop of Canterbury.
1463 Stephen Tomašević of Bosnia the last sovereign from the Bosnian Kotromanić dynasty. His father, King Stephen Thomas, arranged for him to marry Maria of Serbia and become Despot of Serbia in April 1459. The marriage was meant to unite Bosnia and Serbia in their fight against the expanding Ottoman Empire, but it failed in that regard. After ruling Serbia for merely two months, Stephen Tomašević surrendered it to the Ottomans and fled back to his father's court
1464 Charles I Count of Nevers the son of Philip II, Count of Nevers and Bonne of Artois.
1510 Georges d'Amboise a French Roman Catholic cardinal and minister of state. He belonged to the house of Amboise, a noble family possessed of considerable influence: of his nine brothers, four were bishops. His father, Pierre d'Amboise, seigneur de Chaumont, was chamberlain to Charles VII and Louis XI and ambassador at Rome. Georges' eldest brother, Charles, was governor of the Île-de-France, Champagne and Burgundy, and councillor of Louis XI
1555 Gemma Frisius a physician, mathematician, cartographer, philosopher, and instrument maker. He created important globes, improved the mathematical instruments of his day and applied mathematics in new ways to surveying and navigation
1555 Henry II of Navarre born at Sangüesa, was the King of Navarre from 1517, although his kingdom had been reduced to a small territory north of the Pyrenees by the Spanish conquest of 1512. Henry succeeded his mother, Queen Catherine, and her husband, King John III
1595 Philip Neri an Italian priest noted for founding a society of secular clergy called the "Congregation of the Oratory".
1595 Valens Acidalius a German critic and poet writing in the Latin language.
1607 Magdalena de Pazzi an Italian Carmelite mystic and saint of the Roman Catholic Church.
1622 Pedro Páez a Spanish Jesuit missionary in Ethiopia. Páez is considered by many experts on Ethiopia to be the most effective Catholic missionary in Ethiopia. He is believed to be the first European to see and describe the source of the Blue Nile
1632 Adam Tanner (mathematician) an Austrian Jesuit professor of mathematics and philosophy.
1667 Gustaf Bonde a Swedish statesman. He was a persistent advocate of a pacifist policy at a time when war on the slightest provocation was the watchword of every Swedish politician
1676 Johann Rahn credited with the first use of the division symbol, ÷ and the therefore sign, ∴. He is known for his Teutsche algebra, the first time the Geteiltzeichen characters appear in print. The symbol is used in Teutsche Algebra, published in 1659. John Pell collaborated with Rahn in this book, which contains an example of the Pell equation, Pell-loading of the English translation of the book of Rahn. There is a controversy in Pell awards, rather than Rahn, authorship notations. Rahn was also, it seems, mayor of the city of Zurich in 1655
1681 Pedro Calderón de la Barca a dramatist, poet and writer of the Spanish Golden Age. During certain periods of his life he was also a soldier and a Roman Catholic priest. Born when the Spanish Golden Age theatre was being defined by Lope de Vega, he developed it further, his work being regarded as the culmination of the Spanish Baroque theatre. As such, he is regarded as one of Spain's foremost dramatists and one of the finest playwrights of world literature
1693 Madame de La Fayette a French writer, the author of La Princesse de Clèves, France's first historical novel and one of the earliest novels in literature.
1741 Daniel Ernst Jablonski German theologian and reformer of Czech origin, known for his efforts to bring about a union between Lutheran and Calvinist Protestants.
1782 Vigilius Eriksen a Danish painter. He was the royal portraitist to Christian VI of Denmark
1784 Michał Hieronim Krasiński a Polish noble, cześnik of Stężyca, podkomorzy of Różan, starost of Opiniogóra, deputy to many Sejms, one of the leaders of Bar Confederation.
1786 Peter III of Portugal became King of the Kingdom of Portugal and the Algarves by the accession of his wife and niece Queen Maria I in 1777, and co-reigned alongside her until his death.
1787 Carl Gustav Jablonsky a Berlin naturalist, entomologist and illustrator. He was also the private secretary to the Queen of Prussia, Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern
1789 Anders Dahl a Swedish botanist and student of Carolus Linnaeus. The dahlia flower is named after him
1797 John Griffin 4th Baron Howard de Walden a British nobleman and soldier. Born John Whitwell, he served as a junior officer with the Pragmatic Army in the Netherlands and Germany during the War of the Austrian Succession. After changing his surname to Griffin in 1749, he commanded a brigade of at least four battalions at the Battle of Corbach in July 1760 during the Seven Years' War. He also commanded a brigade at the Battle of Warburg and was wounded at the Battle of Kloster Kampen
1798 Kazimierz Nestor Sapieha a Polish-Lithuanian noble and one the creators of the Constitution of May 3.
1798 Asmus Jacob Carstens a Danish-German painter, one of the most committed artists of German Neoclassicism. His career was erratic, partly because of his difficult personality, and the majority of his large projects were left incomplete, or subsequently destroyed. Much of what survives is in the form of drawings, many using "a schematic, pale colouring as a timid and humble accessory to the dominating figure-drawing", that were planned for large fresco commissions that never materialized
1801 Charles Stuart (British Army officer) a British nobleman and soldier. The fourth son of John Stuart, 3rd Earl of Bute and Mary Wortley Montagu, he was born in Kenwood House, London
1805 William Paley an English clergyman, Christian apologist, philosopher, and utilitarian. He is best known for his natural theology exposition of the teleological argument for the existence of God in his work Natural Theology or Evidences of the Existence and Attributes of the Deity, which made use of the watchmaker analogy
1816 Anne Françoise Elisabeth Lange a French actress of the Comédie-Française and a 'Merveilleuse' of the French Directory. Her stage name was Mademoiselle Lange
1826 Amarindra Queen Amarindra ,was the Queen Consort of King Buddha Yodfa Chulaloke , the founder of the Chakri Dynasty. Her birth name was Nak. She was a daughter of a wealthy Mon from Bang Chang, in Samut Songkhram Province
1840 Alexander Korsakov a Russian general remembered as an unlucky assistant to Alexander Suvorov during his Swiss expedition of 1799–1800.
1849 Benjamin D'Urban best known for his frontier policy when he was the Governor in the Cape Colony.
1850 Lykourgos Logothetis a Samian who became the island's leader during the Greek War of Independence.
1860 Abramo Bartolommeo Massalongo an Italian paleobotanist and lichenologist. He was born in Tregnago in the Province of Verona and took a great interest in botany as a young man. Massalongo joined the faculty of medicine at the University of Padua in 1844. Along with Gustav Wilhelm Körber, he founded the "Italian-Silesian" school of lichenology. He was the husband of Maria Colognato and the father of hepaticalogist Caro Benigno Massalongo
1862 Johann Nestroy a singer, actor and playwright in the popular Austrian tradition of the Biedermeier period and its immediate aftermath. Dubbed the "Austrian Shakespeare", in style he is more comparable to Molière
1862 Princess Mathilde Caroline of Bavaria the second child and eldest daughter of Ludwig I of Bavaria and Therese of Saxe-Hildburghausen.
1863 Peter Andreas Munch usually known as A. Munch, was a Norwegian historian, known for his work on the medieval history of Norway. Munch’s scholarship included Norwegian archaeology, geography, ethnography, linguistics, and jurisprudence. He was also noted for his Norse Legendary saga translations
1863 August Wilhelm Knobel a German theologian born near Sorau, Niederlausitz.
1865 Madeleine Sophie Barat a French saint of the Catholic Church and was the founder of the Society of the Sacred Heart.