Died on April 15

628 Empress Suiko the 33rd monarch of Japan, according to the traditional order of succession.
1053 Godwin Earl of Wessex one of the most powerful earls in England under the Danish king Cnut the Great and his successors. Cnut made him the first Earl of Wessex. Godwin was the father of King Harold Godwinson and Edith of Wessex, wife of King Edward the Confessor
1136 Richard Fitz Gilbert de Clare an Anglo-Norman nobleman. A marcher lord in Wales, he was also the founder of Tonbridge Priory in Kent
1220 Adolf of Altena Archbishop of Cologne from 1193 to 1205.
1389 William I Duke of Bavaria the second son of the emperor Louis IV the Bavarian from his second wife Margaret of Holland and Hainaut. He was also known as William V, Count of Holland, as William III, Count of Hainaut and as William IV, Count of Zeeland
1393 Elizabeth of Pomerania the fourth and final wife of Charles IV, Holy Roman Emperor and king of Bohemia. Her parents were Bogislaw V, Duke of Pomerania, and Elisabeth of Poland. Her maternal grandparents were Casimir III, King of Poland, and Aldona of Lithuania
1415 Manuel Chrysoloras a pioneer in the introduction of Greek literature to Western Europe during the late middle ages.
1446 Filippo Brunelleschi one of the foremost architects and engineers of the Italian Renaissance. He is perhaps most famous for his development of linear perspective and for engineering the dome of the Florence Cathedral, but his accomplishments also include other architectural works, sculpture, mathematics, engineering and even ship design. His principal surviving works are to be found in Florence, Italy
1502 John IV of Chalon-Arlay a prince of Orange and lord of Chalon-Arlay. He played an important role in the Mad War, a series of conflicts in which aristocrats sought to resist the expansion and centralisation of power under the French monarch
1515 Mikołaj Kamieniecki a Polish nobleman and the first Great Hetman of the Crown.
1517 Tuman bay II Al-Ashraf Tuman bay better known as Tuman bay II succeeded as Sultan of Egypt during the final period of Mamluk rule in Egypt prior to its conquest by the Ottoman Empire. He ascended the sultanic throne after the defeat of his predecessor Sultan Al-Ashraf Qansuh al-Ghawri by Ottoman Sultan Selim I at the Battle of Marj Dabiq in 1516 CE
1532 Michael Gaismair the son of a mining entrepreneur, which became secretary of the powerful bishop of Brixen. In 1525 Gaismair came in contact with the ideas of the Anabaptists Felix Mantz and Jörg Blaurock, who worked in the Eisacktal and Graubünden , and shortly after, in May, he received news of the German Peasants' War in Germany, captained by the reformer and revolutionary Thomas Müntzer, who shared some ideas with the Anabaptists
1549 Christine of Saxony a German noble, landgravine of Hesse. She was the regent of Hesse in 1547-1549
1558 Roxelana the favorite consort and later the legal wife of Ottoman Sultan Suleiman the Magnificent and the mother of Şehzade Mehmed, Mihrimah Sultan, Şehzade Abdullah, Sultan Selim II, Şehzade Bayezid and Şehzade Cihangir. She was one of the most powerful and influential women in Ottoman history and a prominent figure during the era known as the Sultanate of Women. She was "Haseki Sultan" when her husband, Suleiman I, reigned as Ottoman sultan. She achieved power and influenced the politics of the Ottoman Empire through her husband and played an active role in state affairs of the Empire
1575 Wolrad II Count of Waldeck the son of Philip III of Waldeck-Eisenberg and Adalheid of Hoya.
1610 Robert Persons an English Jesuit priest. He was a major figure in establishing the 16th-century "English Mission" of the Society of Jesus
1622 Leandro Bassano an Italian artist from Bassano del Grappa, the younger brother of Francesco Bassano the Younger and third son of Jacopo Bassano, who took their name from their town of Bassano del Grappa. Leandro studied with his brother in their father's workshop, but took over the studio when Francesco opened a workshop in Venice. Leandro followed in the tradition of his father’s religious works, but also became well known as a portrait painter
1632 George Calvert 1st Baron Baltimore an English politician and colonizer. He achieved domestic political success as a Member of Parliament and later Secretary of State under King James He lost much of his political power after his support for a failed marriage alliance between Prince Charles and the Spanish House of Habsburg royal family. Rather than continue in politics, he resigned all of his political offices in 1625 except for his position on the Privy Council and declared his Catholicism publicly. He was created Baron Baltimore in the Irish peerage upon his resignation. Baltimore Manor was located in County Longford, Ireland
1652 Patriarch Joseph of Moscow the sixth Patriarch of Moscow and All Russia, elected after an unusual one and a half year break.
1659 Simon Dach a Prussian German lyrical poet and writer of hymns, born in Memel in the Duchy of Prussia.
1690 Michael I Apafi a Hungarian Prince of Transylvania.
1695 Christoph Arnold a German amateur astronomer.
1704 Johannes Hudde a burgomaster of Amsterdam between 1672 – 1703, a mathematician and governor of the Dutch East India Company.
1719 Françoise d'Aubigné Marquise de Maintenon the second wife of King Louis XIV of France. She was known during her first marriage as Madame Scarron, and subsequently as Madame de Maintenon. Her marriage to the king was never officially announced or admitted
1754 Jacopo Riccati an Italian mathematician, born in Venice. He is now remembered for the Riccati equation. He died in Treviso in 1754
1757 Rosalba Carriera a Venetian Rococo painter. In her younger years, she specialized in portrait miniatures. She later became known for her pastel work, a medium appealing to Rococo styles for its soft edges and flattering surfaces
1761 William Oldys an English antiquarian and bibliographer.
1761 Archibald Campbell 3rd Duke of Argyll a Scottish nobleman, politician, lawyer, businessman and soldier. He was known as Lord Archibald Campbell from 1703 to 1706, and as the Earl of Ilay from 1706 until 1743, when he succeeded to the dukedom. He was the dominant political leader in Scotland in his day, and was involved in many civic projects
1763 Fyodor Volkov a Russian actor and founder of the first permanent Russian theater.
1764 Peder Horrebow a Danish astronomer. Born in Løgstør, Jutland to a poor family of fishermen, Horrebow entered the University of Copenhagen in 1703. He worked his way through grammar school and university by virtue of his technical knowledge: he repaired mechanical and musical instruments and cut seals. He received his MA from the university in 1716, and his MD in 1725. From 1703 to 1707, he served as an assistant to Ole Rømer and lived in Rømer's home. He worked as a household tutor from 1707 to 1711 to a Danish baron, and entered the governmental bureaucracy as an excise writer in 1711
1764 Madame de Pompadour a member of the French court and was the official chief mistress of Louis XV from 1745 to her death. She was trained from childhood to be a mistress, and learned her trade well. She took charge of the king’s schedule and was an indispensable aide and advisor, despite her frail health and many political enemies. She secured titles of nobility for herself and her relatives, and built a network of clients and supporters. She paid careful attention not to alienate the Queen, Marie Leszczyńska. She was a major patron of architecture and decorative arts such as porcelain. She was a patron of the philosophes of the Enlightenment, including Voltaire. Hostile critics at the time said she was responsible for the Seven Years' War, and generally tarred her as a malevolent political influence. Historians are more favourable, emphasizing her successes as a patron of the arts and a champion of French pride
1765 Mikhail Lomonosov a Russian polymath, scientist and writer, who made important contributions to literature, education, and science. Among his discoveries was the atmosphere of Venus. His spheres of science were natural science, chemistry, physics, mineralogy, history, art, philology, optical devices and others. Lomonosov was also a poet and influenced the formation of the modern Russian literary language
1769 Princess Maria Leopoldine of Anhalt-Dessau a princess of Anhalt-Dessau by birth and by marriage Countess of Lippe-Detmold.
1776 Natalia Alexeievna of Russia the first wife of the future Tsar Paul I of Russia, the only son of the Empress Catherine She was born as Princess Wilhelmina Louisa of Hesse-Darmstadt in Prenzlau, Uckermark, Brandenburg, Prussia as the fifth child of Louis IX, Landgrave of Hesse-Darmstadt and his spouse Caroline of Zweibrücken, Countess Palatine.
1788 Giuseppe Bonno an Austrian composer of Italian origin.
1791 Alexander Garden (naturalist) a Scottish physician, botanist and zoologist. The gardenia flower is named after him. He lived for many years in Charleston, South Carolina, using his spare time to study plants and living creatures, and sending specimens to Carolus Linnaeus
1793 Ignacije Szentmartony a Croatian Jesuit priest, missionary, mathematician, astronomer and explorer.
1808 Hubert Robert a French painter, noted for his landscape paintings and picturesque depictions of ruins.
1818 Pierre-Nicolas Beauvallet a French sculptor, draftsman and printmaker.
1819 Oliver Evans an American inventor, engineer and businessman. A pioneer in the fields of automation, materials handling and steam power, Evans was one of the most prolific and influential inventors in the early years of the United States. He left behind a long series of accomplishments, from designing or building the first fully automated industrial process; high-pressure steam engine; and amphibious vehicle
1824 Theodorus Frederik van Capellen a Dutch naval officer. He was married to Petronella de Lange. Alexandrine Tinné, female explorer and pioneering photographer, was his granddaughter
1840 Thomas Drummond an army officer, civil engineer and senior public official. Drummond used the Drummond light which was employed in the trigonometrical survey of Great Britain and Ireland. He is sometimes mistakenly given credit for the invention of limelight, at the expense of Sir Goldsworthy Gurney. However, it was Drummond who realised their value in surveying
1854 Arthur Aikin an English chemist, mineralogist and scientific writer.
1855 Wilhem de Haan a Dutch zoologist. He specialised in the study of insects and crustaceans, and was the first keeper of invertebrates at the Rijksmuseum in Leiden, now Naturalis. He was forced to retire in 1846, when he was partially paralysed by a spinal disease. He was responsible for the invertebrate volume of Siebold's Fauna Japonica, which was published in 1833, and introduced the western world for the first time to Japanese wildlife. He named a great many new taxa, and several taxa are named in his honour
1862 Frederick William Hope an English entomologist and founder of the Hope Department of Entomology at the University of Oxford.
1863 Alfred Moquin-Tandon a French naturalist and doctor.
1865 Abraham Lincoln the 16th president of the United States, serving from March 1861 until his assassination in April 1865. Lincoln led the United States through its Civil War—its bloodiest war and its greatest moral, constitutional and political crisis. In doing so, he preserved the Union, abolished slavery, strengthened the federal government, and modernized the economy
1869 August Wilhelm Bach a German composer and organist. He is unrelated to the family of Johann Sebastian Bach. He studied with his father, Gottfried, as well as with Carl Friedrich Zelter and Ludwig Berger. In 1832, he succeeded Zelter as the director of the Royal Institute of Church Music in Berlin. He also taught at the Royal Academy of Arts. His compositions largely consist of sacred works and works for keyboard. He also wrote a pipe organ method and a hymnbook
1870 Władysław Hieronim Sanguszko a Polish nobleman, landowner, conservative politician.
1872 Augustus Siebe a German-born British engineer chiefly known for his contributions to diving equipment.