Died on February 20

702 K'inich Kan B'alam II king of the pre-Columbian Maya polity of Baakal in the Classic period of Mesoamerican chronology, based around the ceremonial center and city now known as the Maya archaeological site of Palenque. Kan B'alam took the throne on January 10, 684, several months after the death of his father and predecessor, Pacal the Great. He continued the ambitious project of adorning Palenque with fine art and architecture begun by his father; his most important addition to the city of Palenque was the Temple of the Cross which is the center piece of the Temple of the Cross Complex. He was succeeded by his younger brother, K'inich K'an Joy Chitam II
789 Saint Leo of Catania the fifteenth bishop of Catania, famed also for his love and care toward the poor. His feast day occurs on February 20, the day of his death in which he is venerated as a Saint both by Roman Catholics and by the Orthodox Church. He lived in the lapse of time between the reigns of the Emperors Justinian II and Constantine He struggled especially against the paganism and sorcery still prevalent in the Byzantine Sicily
1054 Yaroslav the Wise thrice Grand Prince of Novgorod and Kiev, uniting the two principalities for a time under his rule. Yaroslav's Christian name was George after Saint George
1154 Wulfric of Haselbury an anchorite and miracle worker in Wiltshire and Somerset, England, frequently visited by King Stephen. His feast day is 20 February
1171 Conan IV Duke of Brittany duke of Brittany, from 1156 to 1166. He was the son of Alan the Black, 1st Earl of Richmond and Bertha of Brittany. Conan IV was his father's heir as 2nd Earl of Richmond and his mother's heir as Duke of Brittany. From his father's side, Conan was great great grandson of duke Geoffrey I and great grandson of Odo of Brittany. Conan and his daughter Constance would be the only representatives of the Penthièvre dynasty of Brittany to hold the Duchy's crown
1183 Peter Cellensis a French Benedictine and bishop.
1258 Al-Musta'sim the last Abbasid Caliph in Baghdad; he ruled from 1242 until his death.
1408 Henry Percy 1st Earl of Northumberland the son of Henry de Percy, 3rd Baron Percy, and a descendent of Henry III of England. His mother was Mary of Lancaster, daughter of Henry, 3rd Earl of Lancaster, son of Edmund, Earl of Leicester and Lancaster, who was the son of Henry III. Henry Percy married Margaret Neville, daughter of Ralph Neville, 2nd Baron Neville de Raby, and Alice de Audley. They were the parents of Henry Percy, nicknamed "Harry Hotspur"
1429 Giovanni di Bicci de' Medici an Italian banker, a member of Medici family of Florence, and the founder of the Medici Bank. While other family members, such as Chiarissimo di Giambuono de' Medici, who served in the Signoria in 1201, and Salvestro de' Medici, who was implicated in the Ciompi Revolt of 1378, are historically significant, Giovanni's founding of the family bank truly began the family's rise to power in Florence. He was the father of Cosimo de' Medici , great-grandfather of Lorenzo de Medici and great-great-great-grandfather of Cosimo I de' Medici, Grand Duke of Tuscany
1431 Pope Martin V Pope from 14 November 1417 to his death in 1431. His election effectively ended the Western Schism
1459 Thomas Stanley 1st Baron Stanley a Privy Councillor, Comptroller of the Royal Household, Lieutenant-Governor of Ireland , Chief Steward of the Duchy of Lancaster, Knight of the Shire for Lancashire, Constable & Justice of Chester, Chamberlain of North Wales, Lord Chamberlain , and from 15 January 1456 was summoned by Writ to Parliament as Lord Stanley.
1513 John King of Denmark King of Denmark , Norway and as John II of Sweden in the Kalmar Union, and also Duke of Schleswig and Holstein. The three most important political goals of King John were the restoration of the Kalmar Union, reduction of the dominance of the Hanseatic League, and the building of a strong Danish royal power
1564 Diego López de Zúñiga 4th Count of Nieva the sixth viceroy of Peru, from April 17, 1561 to his death on February 20, 1564.
1567 Estácio de Sá a Portuguese soldier and officer. Sá travelled to the colony of Brazil on the orders of the Portuguese crown to wage war on the French colonists commanded by Nicolas Durand de Villegaignon. These French colonists had established themselves in 1555 at Guanabara Bay in Rio de Janeiro, in a settlement known as France Antarctique. He was the founder of Rio de Janeiro, now the second largest city in Brazil
1575 Maria of Jever the last ruler of the Lordship of Jever from the Wiemken family.
1579 Nicholas Bacon (Lord Keeper) an English politician during the reign of Queen Elizabeth I of England, notable as Lord Keeper of the Great Seal. He was the father of the philosopher and statesman Sir Francis Bacon
1580 Rodrigo de Quiroga a Spanish conquistador of Galician origin. He was twice the Royal Governor of Chile
1595 Archduke Ernest of Austria an Austrian prince, the son of Maximilian II, Holy Roman Emperor and Maria of Spain.
1618 Philip William Prince of Orange the eldest son of William the Silent by his first wife Anna van Egmont. He became Prince of Orange in 1584 and Knight of the Golden Fleece in 1599
1626 John Dowland an English Renaissance composer, lutenist, and singer. He is best known today for his melancholy songs such as "Come, heavy sleep" , "Come again", "Flow my tears", "I saw my Lady weepe" and "In darkness let me dwell", but his instrumental music has undergone a major revival, and with the 20th century's Early music revival has been a continuing source of repertoire for lutenists and classical guitarists
1653 Luigi Rossi an Italian Baroque composer. Rossi was born in Torremaggiore, a small town near Foggia, in the ancient kingdom of Naples and at an early age he went to Naples. There he studied music with the Franco-Flemish composer Jean de Macque who was organist of the Santa Casa dell’Annunziata and maestro di cappella to the Spanish viceroy. Rossi later entered the service of the Caetani, dukes of Traetta
1667 David HaLevi Segal one of the greatest Polish rabbinical authorities.
1685 Sophie Amalie of Brunswick-Lüneburg queen of Denmark and Norway as the consort of the King Frederick III of Denmark.
1697 Ivan Tsykler a Russian nobleman who was dismembered in 1697 on charges of conspiracy against Peter the Great.
1711 Prince Alexander of Imereti (1674–1711) a Georgian royal prince of the Kingdom of Imereti who lived as an émigré in the Tsardom of Russia and subsequently served as an artillery commander under Tsar Peter I of Russia. During the Great Northern War, he was taken prisoner at Narva and spent ten years in Swedish captivity. He died on his way back to Russia
1731 Antonio I Prince of Monaco the Prince of Monaco from 1701 to 1731. He was the elder son of Louis I, Prince of Monaco and Catherine Charlotte de Gramont
1762 Tobias Mayer a German astronomer famous for his studies of the Moon.
1771 Jean-Jacques d'Ortous de Mairan a French geophysicist, astronomer and most notably, chronobiologist, was born in the town of Béziers on 26 November 1678. De Mairan lost his father, François d'Ortous, at age four and his mother twelve years later at age sixteen. Over the course of his life, de Mairan was elected into numerous scientific societies and made key discoveries in a variety of fields including ancient texts and astronomy. His observations and experiments also inspired the beginning of what is now known as the study of biological circadian rhythms. At the age of 92, de Mairan died of pneumonia in Paris on 20 February 1771
1778 Laura Bassi the first woman in the world to earn a university chair in a scientific field of studies. She received a doctoral degree from the University of Bologna in May 1732, only the third academic qualification ever bestowed on a woman by a European university, and the first woman to earn a professorship in physics at a university in Europe. She was the first woman to be offered an official teaching position at a university in Europe
1780 Johannes Burman a Dutch botanist and physician. Burman specialized in plants from Ceylon, Amboina and Cape Colony. The name Pelargonium was introduced by Johannes Burman
1788 John Lightfoot (biologist) an English parson-naturalist, spending much of his free time as a conchologist and botanist. He was a systematic and effective curator of the private museum of Margaret Bentinck, Duchess of Portland. He is best known for his Flora Scotica which pioneered the scientific study of the plants and fungi of Scotland. He became a Fellow of the Royal Society for his scientific work
1790 Erik Pauelsen a Danish painter. He is most notable for his landscapes and was also a popular portraitist. However, he did not experience the same level of success as Jens Juel and Nicolai Abildgaard, his contemporaries, and in 1790 he committed suicide
1790 Joseph II Holy Roman Emperor Holy Roman Emperor from 1765 to 1790 and ruler of the Habsburg lands from 1780 to 1790. He was the eldest son of Empress Maria Theresa and her husband, Francis I, and was the brother of Marie Antoinette. He was thus the first ruler in the Austrian dominions of the House of Lorraine, styled Habsburg-Lorraine. Joseph was a proponent of enlightened absolutism; however, his commitment to modernizing reforms subsequently engendered significant opposition, which eventually culminated in an ultimate failure to fully implement his programmes. He has been ranked, with Catherine II of Russia and Frederick II of Prussia, as one of the three great Enlightenment monarchs. His policies are now known as Josephinism. He died with no sons and was succeeded by his younger brother, Leopold
1797 Domenico Merlini an Italian-Polish architect whose work was mostly in the classical style.
1799 Georg Christian Unger a German architect who was a pupil of the architect Carl von Gontard and served Frederick II of Prussia. Among his works were the Brandenburg Gate in Potsdam and the Gendarmenmarkt in Berlin
1803 Marie Dumesnil a French actress.
1806 Lachlan McIntosh a British-born American military and political leader during the American Revolution and the early United States. In a 1777 duel, he fatally shot Button Gwinnett, a signer of the Declaration of Independence
1808 Gerard Lake 1st Viscount Lake a British general. He commanded British forces during the Irish Rebellion of 1798 and later served as Commander-in-Chief of the military in British India
1810 Andreas Hofer a Tyrolean innkeeper and drover, who in 1809 became the leader of the Tyrolean Rebellion against the French and Bavarian occupation forces during the War of the Fifth Coalition. He was subsequently captured and executed
1811 Friedrich Christian Meuschen a German diplomat and conchologist born in Hanau. He was the son of theologian Johann Gerhard Meuschen
1813 Charles White (physician) an English physician and a co-founder of the Manchester Royal Infirmary, along with local industrialist Joseph Bancroft. White was an able and innovative surgeon who made significant contributions in the field of obstetrics
1824 Bogislav Friedrich Emanuel von Tauentzien a Prussian general of the Napoleonic Wars.
1830 Robert Anderson (editor and biographer) a Scottish author and critic.
1841 Princess Maria Antonia of Parma a Princess of Parma, daughter of Duke Ferdinand I of Parma and his wife, Archduchess Maria Amalia of Austria. Contrary to what has been frequently stated, she was not named after her aunt, Queen Marie Antoinette of France, who was not her godmother. Maria Antonia's godparents were her uncle, Emperor Joseph II, and her father's aunt, Maria Antonia of Spain, Queen of Sardinia, after whom the princess was named
1841 Friedrich Sertürner a German pharmacist, who discovered morphine in 1804.
1850 Valentín Canalizo a Mexican President, state governor, city mayor, army general, defense minister and conservative politician. He is as yet the only Mexican President from the city of Monterrey. He was a supporter of a centralist national government, and a confidante of President of Mexico General Antonio López de Santa Anna. Canalizo was President of Mexico two times, for a total of about one year in 1843 and 1844, during the complex Mexican historical times after the one decade-long Mexican War of Independence and before the Mexican-American War. Valentín Canalizo had previously been the Mayor of Mexico City, after being Governor of Puebla state, and years before, Mayor of the city of Cuernavaca
1852 Antonio Francesco Orioli a cardinal of the Catholic Church.
1853 Jean-François Bayard a French playwright. He was the nephew of fellow playwright Eugène Scribe
1853 William Broughton (bishop) the first Bishop of Australia of the Church of England.
1855 Joseph Hume a Scottish doctor and Radical MP, born in Montrose, Angus.