Died on April 12

45 Gnaeus Pompeius a Roman politician and general from the late Republic.
238 Gordian II Roman Emperor for one month with his father Gordian I in 238, the Year of the Six Emperors. Seeking to overthrow the Emperor Maximinus Thrax, he died in battle outside of Carthage
238 Gordian I Roman Emperor for one month with his son Gordian II in 238, the Year of the Six Emperors. Caught up in a rebellion against the Emperor Maximinus Thrax, he was defeated by forces loyal to Maximinus before committing suicide
352 Pope Julius I the bishop of Rome from 6 February 337 to his death in 352.
371 Zeno of Verona either an early Christian Bishop of Verona or a martyr. He is a saint in the Roman Catholic Church and in the Eastern Orthodox Church
1111 Berthold II Duke of Swabia the Duke of Swabia from 1092 to 1098.
1125 Vladislaus I Duke of Bohemia duke of Bohemia from 1109 to 1117 and from 1120 until his death.
1167 Charles VII of Sweden ruler of Gothenland, and then King of Sweden from circa 1161 to 1167, when he was assassinated.
1256 Margaret of Bourbon (1211–1256) the Countess of Champagne and Queen of Navarre. Margaret was the daughter of Archambaud VIII of Bourbon and his first wife Alix of Forez
1307 Humbert I of Viennois baron of la Tour-du-Pin and then also became, by his marriage, dauphin of Viennois. He was the son of Albert IV, baron of la Tour-du-Pin, and of Béatrice de Coligny
1411 Robert Duke of Bar Marquis of Pont-à-Mousson and Count and then Duke of Bar. He succeeded his elder brother Edward II of Bar as count in 1352, and the county was promoted to a duchy in 1354. Their parents were Henry IV of Bar and Yolande, granddaughter of Robert III, Count of Flanders
1443 Henry Chichele born at Higham Ferrers, Northamptonshire, in 1363 or 1364. Chicheley told Pope Eugene IV, in 1443, in asking leave to retire from the archbishopric, that he was in his eightieth year
1522 Piero di Cosimo an Italian Renaissance painter.
1530 Joanna la Beltraneja a claimant to the throne of Castile and queen of Portugal as the wife of her uncle, King Afonso V.
1550 Claude Duke of Guise a French aristocrat and general. He became the first Duke of Guise in 1528
1555 Joanna of Castile queen of Castile from 1504 and of Aragon from 1516. From the union of these two crowns modern Spain evolved. Joanna married Philip the Handsome, who was crowned King of Castile in 1506, initiating the rule of the Habsburgs in Spain. After Philip's death that same year, Joanna was deemed mentally ill and was confined to a nunnery for the rest of her life. Though she remained the legal queen of Castile throughout this time, her father, Ferdinand II of Aragon, was regent until his death, when she inherited his kingdom as well. From 1517, her son, Charles, ruled as king, while she nominally remained co-monarch
1572 Jean Crespin a French Protestant lawyer who became a significant printer and martyrologist in Geneva.
1675 Richard Bennett (Governor) an English Governor of the Colony of Virginia.
1678 Thomas Stanley (author) an English author and translator.
1681 Pietro Paolini an Italian painter of the Baroque period. He is also called Paolino which is an affectionate diminutive of his lastname
1684 Nicola Amati an Italian luthier from Cremona.
1687 Ambrose Dixon an early American Quaker pioneer who was born in England and emigrated to the America at an early age where he lived in the Virginia Colony before moving to Maryland.
1704 Jacques-Bénigne Bossuet a French bishop and theologian, renowned for his sermons and other addresses. He has been considered by many to be one of the most brilliant orators of all time and a masterly French stylist
1720 Balaji Vishwanath the first of a series of hereditary Peshwas hailing from the Maharashtrian Brahmin family who gained effective control of the Maratha Empire during the 18th century. Balaji Vishwanath assisted a young Maratha Emperor Shahu to consolidate his grip on a kingdom that had been racked by civil war and persistent attack by the Mughals under Aurangzeb
1722 Antonio Zanchi an Italian painter of the Baroque, active mainly in Venice, but his prolific works can also be seen in Padua, Treviso, Rovigo, Verona, Vicenza, Loreto, Brescia, Milan, and Bergamo, as well as Bavaria.
1725 Giovanni Battista Foggini an Italian sculptor active in Florence, renowned mainly for small bronze statuary.
1729 Louis-Guillaume Pécour a French dancer and choreographer. He is most well known for his work with the Académie Royale de Musique
1748 William Kent an eminent English architect, landscape architect and furniture designer of the early 18th century.
1750 Georg Wilhelm de Gennin a German-born Russian military officer and engineer who specialized in mining and metallurgy.
1763 Giuseppe Spinelli an Italian Cardinal. He was a prefect of the Congregation for the Evangelization of Peoples
1777 Claude Prosper Jolyot de Crébillon a French novelist.
1782 Metastasio an Italian poet and librettist, considered the most important writer of opera seria libretti.
1788 Carlo Antonio Campioni an Italian composer, as well as a collector of early music.
1794 Jean-Baptiste-Joseph Gobel a French Roman Catholic cleric and politician of the Revolution. He was executed during the Reign of Terror
1795 Johann Kaspar Basselet von La Rosée a leading Bavarian general.
1811 D'Ewes Coke rector of Pinxton and South Normanton in Derbyshire, a colliery owner and philanthropist.
1814 Charles Burney an English music historian, composer and musician, and father of the writers Frances Burney and Sarah Burney.
1817 Charles Messier a French astronomer most notable for publishing an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects". The purpose of the catalogue was to help astronomical observers, in particular comet hunters such as himself, distinguish between permanent and transient visually diffuse objects in the sky
1820 Arthur Young (agriculturist) an English writer on agriculture, economics, social statistics, and campaigner for the rights of agricultural workers.
1821 François Joseph de Gratet vicomte Dubouchage an artillery general, politician, and French Minister of Marine in 1792 and 1815, and Minister of Foreign Affairs 1792.
1825 Anna Ivanovna Baryatinskaya Tolstoy Countess Anna Ivanovna Baryatinskaya Tolstoy - the sister of prince Ivan Baryatinsky, wife of Marshal Nikolai Alexandrovich Tolstoy , a close friend of the Empress Elizabeth Alexeyevna and memoirist Countess Varvara Golovina.
1827 Friederike Auguste Sophie of Anhalt-Bernburg a princess consort of Anhalt-Zerbst. She was married to Frederick Augustus, Prince of Anhalt-Zerbst, and sister-in-law to the Russian Empress Catherine the Great. She was the regent governor of Jever from April 1793 until October 1806
1830 Christian Wilhelm Ahlwardt a German classical philologist. He was the father of orientalist Wilhelm Ahlwardt
1850 Adoniram Judson an American Congregationalist and later Baptist missionary, who served in Burma for almost forty years. At the age of 25, Adoniram Judson became the first Protestant missionary sent from North America to preach in Burma. His mission and work with Luther Rice led to the formation of the first Baptist association in America to support missionaries
1858 Siegfried Dehn a German music theorist, editor, teacher and librarian.
1859 Angiolina Bosio an Italian operatic soprano who had a major international career from 1846 until her premature death in 1859 at the age of 29. She sang at the most important opera houses in Boston, Havana, London, Madrid, Moscow, New York, Paris, Philadelphia, Saint Petersburg, and Verona. She was particularly admired for her performances in operas by Giuseppe Verdi
1863 Nicolae Vogoride a caimacam who ruled Moldavia between 1857–1858, following the Crimean War.
1863 Stefan Bobrowski a Polish 19th-century politician and an activist for Polish independence. Bobrowski was a participant in the January Uprising and was one of the leaders of the "Red" faction among the insurrectionists as a member of the Central National Committee and the Provisional National Government. He advocated land reform and an end to serfdom in order to rally peasants to the cause, while at the same time he tried to ensure support of the szlachta. He also tried to establish links with potential revolutionaries within Russia who opposed the Tsar. He died in 1863 in a duel with a member of the "White" faction, Count Adam Grabowski, to which he agreed but which he was sure to lose, on account of his extreme near-sightedness
1866 Peter Hesketh-Fleetwood an English landowner, developer and Member of Parliament, who founded the town of Fleetwood, in Lancashire, England. Born Peter Hesketh, he changed his name by Royal assent to Hesketh-Fleetwood, incorporating the name of his ancestors, and was later created Baronet Fleetwood. Predeceased by an older brother, he inherited estates in west Lancashire in 1824. Inspired by the transport developments of the early 19th century, he decided to bring the railway to the Lancashire coast and develop a holiday resort and port. He hired architect Decimus Burton to design his new town, which he named Fleetwood; construction began in 1836. Hesketh-Fleetwood was instrumental in the formation of the Preston and Wyre Railway Company and with his financial support, a railway line was built between Preston and Fleetwood which opened in 1840
1866 Daniel S. Dickinson a New York politician, most notable as a United States Senator from 1844 to 1851.