Died on December 17

658 Judicael ap Hoel the King of Domnonée and a Breton high king in the mid-seventh century.
693 Begga the daughter of Pepin of Landen, mayor of the palace of Austrasia, and his wife Itta von Swaibia. On the death of her husband, she took the veil, founded seven churches, and built a convent at Andenne on the Meuse River where she spent the rest of her days as abbess. She was buried in Saint Begga's Collegiate Church in Andenne
779 Saint Sturm a disciple of Saint Boniface and founder and first abbot of the Benedictine monastery and abbey of Fulda in 742 or 744. Sturm's tenure as abbot lasted from 747 until 779
796 Ecgfrith of Mercia king of Mercia from July to December 796. He was the son of Offa, the greatest king of Mercia, and Cynethryth. In 787, Ecgfrith had been consecrated king, the first known consecration of an English king, probably arranged by Offa in imitation of the consecration of Charlemagne's sons by the pope in 781
942 William I of Normandy the second ruler of Normandy, from 927 until his assassination.
1187 Pope Gregory VIII born Alberto di Morra, reigned from 25 October to his death in 1187.
1195 Baldwin V Count of Hainaut count of Hainaut , margrave of Namur as Baldwin I and count of Flanders as Baldwin VIII.
1213 John of Matha a Christian saint of the 12th century and founder of the Order of the Most Holy Trinity, dedicated to ransoming captive Christians.
1219 Conon de Béthune a crusader and "trouvère" poet.
1273 Rumi a 13th-century Persian poet, jurist, theologian, and Sufi mystic. Rumi's influence transcends national borders and ethnic divisions: Iranians, Turks, Cappadocian Greeks, Afghans, Tajiks, other Central Asian Muslims, and the Muslims of South Asia have greatly appreciated his spiritual legacy for the past seven centuries. His poems have been widely translated into many of the world's languages and transposed into various formats. He has been described as the "most popular poet in America" and the "best selling poet in the US"
1288 Ibn al-Nafis mostly famous for being the first to describe the pulmonary circulation of the blood.
1471 Isabella of Portugal Duchess of Burgundy Duchess of Burgundy as the third wife of Duke Philip the Good. Born a Portuguese infanta of the House of Aviz, Isabella was the only surviving daughter of King John I of Portugal and his wife Philippa of Lancaster. Her son by Philip was Charles the Bold, the last Valois Duke of Burgundy. Isabella was the regent of the Burgundian Low Countries during the absence of her spouse in 1432 and in 1441–1443. She served as her husband's representative in negotiations with England regarding trade relations in 1439 and those with the rebellious cities of Holland in 1444
1562 Eleanor of Toledo a Spanish noblewoman who was Duchess of Florence from 1539. She is credited with being the first modern first lady, or consort. She served as regent of Florence during the absence of her spouse
1638 François Leclerc du Tremblay a French Capuchin friar, confidant and agent of Cardinal Richelieu. He was the original éminence grise—the French term for a powerful advisor or decision-maker who operates secretly or unofficially
1655 Ukita Hideie the daimyo of Bizen and Mimasaka provinces , and one of the council of Five Elders appointed by Toyotomi Hideyoshi. Son of Ukita Naoie, he married Gohime, a daughter of Maeda Toshiie. Having fought against Tokugawa Ieyasu in the Battle of Sekigahara he was exiled to the island prison of Hachijōjima, where he died
1663 Nzinga of Ndongo and Matamba a 17th-century queen of the Ndongo and Matamba Kingdoms of the Mbundu people in Angola.
1697 Eleanor of Austria Queen of Poland Josefa of Austria was, by her two marriages, Queen of Poland and Duchess of Lorraine.
1721 Richard Lumley 1st Earl of Scarbrough an English soldier and statesman best known for his role in the Glorious Revolution.
1732 Joseph Johann Adam Prince of Liechtenstein the Prince of Liechtenstein from 1721 to his death.
1742 François-Joseph de Beaupoil de Sainte-Aulaire a French poet and army officer.
1746 José Antonio de Mendoza 3rd Marquis of Villagarcía a Spanish colonial administrator in the Americas. From February 4, 1736 to December 15, 1745 he was Viceroy of Peru
1746 Richard Lestock an officer in the Royal Navy, eventually rising to the rank of Admiral. He fought in a number of battles, and was a controversial figure, most remembered for his part in the defeat at the Battle of Toulon, and the subsequent court-martial
1763 Frederick Christian Elector of Saxony the Prince-Elector of Saxony for less than three months in 1763. He was a member of the House of Wettin. He was the third but eldest surviving son of Frederick Augustus II, Prince-Elector of Saxony and King of Poland, by his wife, Maria Josepha of Austria
1765 Conrad Friedrich Hurlebusch a German/Dutch composer and organist.
1778 Johann Erich Thunmann a linguist, historian and theologian born in Thoresund in Sweden. He studied at Strängnäs and Uppsala then left Sweden to study at Greifswald. Thunmann was professor of philosophy at the University of Halle
1808 Charles Jenkinson 1st Earl of Liverpool a British statesman. He was the father of Prime Minister Robert Jenkinson, 2nd Earl of Liverpool
1827 Countess Friederike of Schlieben the consort of Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck.
1830 Simón Bolívar a Venezuelan military and political leader. Bolívar played a key role in Latin America's successful struggle for independence from the Spanish Empire, and is today considered one of the most influential politicians in the history of the Americas
1833 Kaspar Hauser a German youth who claimed to have grown up in the total isolation of a darkened cell. Hauser's claims, and his subsequent death by stabbing, sparked much debate and controversy. Theories propounded at the time linked him with the grand ducal House of Baden. These have long since been rejected by historians
1835 Pierre Louis Roederer a French politician, economist, and historian, politically active in the era of the French Revolution and First French Republic. Roederer's son, Baron Antoine Marie Roederer , also became a noted political figure
1835 Joseph Lainé a French lawyer and politician.
1838 Józef Zawadzki (publisher) a Polish pressman, publisher, typographer and bibliopolist, one of the most prominent Polish publisher in the 19th century. Bibliopolist of the Vilnius University and initiator of national bibliography. He published 851 books, mostly in Polish language, but also in Latin, Greek, Hebrew and Lithuanian
1840 Friedrich August von Staegemann a Prussian politician and diplomat.
1841 Julius Rudolph Theodor Vogel a German botanist.
1844 Franz Sieber a botanist and collector who travelled to Europe, the Middle East, Southern Africa and Australia.
1847 Marie Louise Duchess of Parma an Austrian archduchess who reigned as Duchess of Parma from 1814 until her death. She was Napoleon's second wife and, as such, Empress of the French from 1810 to 1814
1857 Francis Beaufort an Irish hydrographer and officer in Britain's Royal Navy. Beaufort was the creator of the Beaufort Scale for indicating wind force
1858 Charles François Antoine Morren a Belgian botanist and horticulturist, and Director of the Jardin botanique de l’Université de Liège.
1859 Jan Feliks Piwarski a Polish painter and professor of art, one of first Polish lithographers.
1860 Désirée Clary Queen of Sweden and Norway as the consort of King Charles XIV John, a former French General and founder of the House of Bernadotte, and one-time fiancée of Napoleon Bonaparte. She officially changed her name there to Desideria, a Latin name which she did not use herself
1864 Myrtilla Miner an American educator and abolitionist whose school for African American girls, established against considerable opposition, grew to a successful and long-lived teachers institution.
1867 Carl Heinrich 'Bipontinus' Schultz a German physician and botanist, and a brother to Friedrich Wilhelm Schultz.
1870 Saverio Mercadante an Italian composer, particularly of operas. While Mercadante may not have retained the international celebrity of Gaetano Donizetti or Gioachino Rossini beyond his own lifetime, he composed as impressive a number of works as either; and his development of operatic structures, melodic styles and orchestration contributed significantly to the foundations upon which Giuseppe Verdi built his dramatic technique
1871 Henry Theodore Tuckerman an American writer, essayist and critic.
1876 Costantino Patrizi Naro a long-serving Italian Cardinal who became Dean of the College of Cardinals. Cardinal Benedetto Naro was his great-uncle
1881 Isaac Israel Hayes an Arctic explorer, physician and politician.
1881 Giulio Briccialdi an Italian flautist and composer.
1881 Lewis H. Morgan a pioneering American anthropologist and social theorist who worked as a railroad lawyer. He is best known for his work on kinship and social structure, his theories of social evolution, and his ethnography of the Iroquois. Interested in what holds societies together, he proposed the concept that the earliest human domestic institution was the matrilineal clan, not the patriarchal family
1889 Wilhelm von Giesebrecht a German historian.
1891 Patrick Edward Connor a Union General during the American Civil War. He was most famous for his campaigns against Native Americans in the American Old West