Died on December 21

72 Thomas the Apostle one of the Twelve Apostles of Jesus Christ, according to the New Testament. He is best known from the account in the Gospel of Saint John, where he questioned Jesus' resurrection when first told of it, followed by his confession of faith as both "My Lord and my God" on seeing Jesus' wounded body
882 Hincmar one of the most remarkable figures in the ecclesiastical history of the Carolingian period. He belonged to a noble family of northern Francia
1001 Hugh Margrave of Tuscany the Margrave of Tuscany from 969 until his death, and the Duke of Spoleto and Margrave of Camerino from 989 to 996. He restored the state apparatus in Tuscany after decades of neglect by margraves whose main interests lay elsewhere. Hugh supported the new Ottonian dynasty , and was praised for his justice by the contemporary theologian Peter Damian in his De principis officio
1308 Henry I Landgrave of Hesse the first Landgrave of Hesse. He was the son of Henry II, Duke of Brabant and Sophie of Thuringia
1362 Constantine III King of Armenia the King of Armenian Cilicia from 1344 to 1362. He was the son of Baldwin, Lord of Neghir, a nephew of Hethum I of Armenia, and a distant cousin of Constantine II
1375 Giovanni Boccaccio an Italian author, poet, correspondent of Petrarch, and important Renaissance humanist. Boccaccio wrote a number of notable works, including the Decameron and On Famous Women. As a poet who wrote in the Italian vernacular, Boccaccio is particularly noted for his realistic dialogue, which differed from that of his contemporaries, medieval writers who usually followed formulaic models for character and plot
1446 Louis Count of Vendôme Count of Vendôme from 1393 and Count of Castres from 1425 until his death.
1536 John Seymour (1474–1536) an English soldier and a courtier who served both Henry VII and Henry VIII. Born into a prominent gentry family, he is best known as the father of the Henry VIII's third wife, Jane Seymour
1549 Marguerite de Navarre the princess of France, Queen of Navarre, and Duchess of Alençon and Berry. She was married to Henry II of Navarre. Her brother became King of France, as Francis I and the two siblings were responsible for the celebrated intellectual and cultural court and salons of their day in France
1597 Peter Canisius an important Jesuit Catholic priest who supported the Catholic faith during the Protestant Reformation in Germany, Austria, Bohemia, Moravia, and Switzerland. The restoration of the Catholic Church in Germany after the Protestant Reformation is largely attributed to the work there of the Society of Jesus, which he led. He is venerated in the Catholic Church as a saint and as a Doctor of the Church
1654 Nikita Romanov a son of Ivan Romanov and a cousin of Tsar Michael. He was the last Romanov of an unroyal line
1681 Lacuzon the name given to the Franc-Comtois leader Claude Prost.
1693 Hendrick Mommers a Dutch Golden Age landscape painter.
1696 Louise Moillon a French painter in the Baroque era. She became known as one of the best still life painters during her time. She worked for King Charles I of England, as well as the French nobility
1705 Christine of Baden-Durlach a German noblewoman.
1741 Bernard de Montfaucon a French Benedictine monk, and a scholar who founded the discipline of palaeography, as well as being an editor of works of the Fathers of the Church. He is also regarded to be one of the founders of modern archaeology
1750 Elisabeth Christine of Brunswick-Wolfenbüttel Princess of Brunswick-Wolfenbüttel, Holy Roman Empress, German Queen, Queen of Bohemia and Hungary; and Archduchess of Austria by her marriage to Emperor Charles She was renowned for her delicate beauty and also for being the mother of Empress Maria Theresa. She is also the maternal grandmother of Marie-Antoinette, Queen of France, though she died five years before her granddaughter's birth in 1755. She was also the longest serving Holy Roman Empress
1765 Prokop Diviš Dom Prokop Diviš, O.Praem. Czech pronunciation: was a Czech canon regular, theologian and natural scientist, who invented the first grounded lightning rod
1803 Nikolay Lvov a Russian artist of the Age of Enlightenment. Lvov, an amateur of Rurikid lineage, was a polymath who contributed to geology, history, graphic arts and poetry, but is known primarily as an architect and ethnographer, compiler of the first significant collection of Russian folk songs
1805 Manuel Maria Barbosa du Bocage a Portuguese Neoclassic poet, writing at the beginning of his career under the pen name Elmano Sadino.
1807 John Newton an English sailor, in the Royal Navy for a period, and later a captain of slave ships. He became ordained as an evangelical Anglican cleric, served Olney, Buckinghamshire for two decades, and also wrote hymns, known for Amazing Grace and Glorious Things of Thee are Spoken
1811 Margravine Louise of Brandenburg-Schwedt a Margravine of Brandenburg by births and by marriage a princess, and later Duchess, of Anhalt-Dessau.
1812 Jean Ambroise Baston de Lariboisière a general of artillery of the First French Empire. He fought in the French Revolutionary Wars and the Napoleonic Wars and died of fatigue at Königsberg in East Prussia on 21 December 1812, during the Grand Army's retreat from Moscow
1816 Jean-Pierre-André Amar a French political figure of the Revolution and Freemason.
1819 Jean-Mathieu-Philibert Sérurier a French soldier and political figure who rose to the rank of Marshal of France.
1824 James Parkinson an English surgeon, apothecary, geologist, palaeontologist, and political activist. He is most famous for his 1817 work, An Essay on the Shaking Palsy in which he was the first to describe "paralysis agitans", a condition that would later be renamed Parkinson's disease by Jean-Martin Charcot
1827 Anton II of Georgia a member of the Georgian royal family and churchman. A son of Heraclius II, the penultimate King of Kartli and Kakheti, he was the Catholicos Patriarch of Georgia from 1788 to 1811
1839 Andrew Dũng-Lạc a Vietnamese priest executed by beheading in the reign of Minh Mạng. He is a saint and martyr of the Catholic Church
1845 Robert Sale a British Army officer who commanded the garrison of Jalalabad during the First Afghan War and was killed in action during the First Anglo-Sikh War.
1857 Carl Friedrich Bruch a German ornithologist. He was the younger brother of bryologist Philipp Bruch
1862 Carl Ludwig Christian Rümker a German astronomer. In German, his name is spelt Karl Ludwig Christian Rümker; he was also known as Charles Rümker, Charles Rumker, Charles Luis Rumker, Christian Carl Ludwig Rümker and Charles Stargard Rumker
1863 Giuseppe Gioachino Belli an Italian poet, famous for his sonnets in Romanesco, the dialect of Rome.
1864 Archduke Louis of Austria the 14th child of Holy Roman Emperor Leopold II, King of Hungary and Bohemia, Grand Duke of Tuscany and Infanta Maria Luisa of Spain.
1866 William J. Fetterman an officer in the United States Army during the American Civil War and the subsequent Red Cloud's War on the Great Plains. Fetterman and his command of 80 men were killed in the Fetterman Fight
1867 Karl Friedrich Schimper a German botanist, naturalist and poet. Born in Mannheim, he was a theology student at Heidelberg University and taught at Munich University. He pioneered research in the field of plant morphology, particularly phyllotaxis. He is perhaps best known as the originator of the theory of prehistoric hot and cold eras, and was one of the initiators of the modern theories of ice ages and climatic cycles. He was a brother of botanist Georg Wilhelm Schimper and cousin of botanist Wilhelm Philippe Schimper
1869 Wilhelm Wackernagel a German-Swiss philologist specializing in Germanic studies. He was the father of Indo-Europeanist Jacob Wackernagel
1869 Friedrich Ernst Scheller a German jurist and politician. He served as a member of the Frankfurt Parliament
1871 Paul Guigou a French landscape painter.
1871 Luise Aston a German author and feminist, who championed the rights of women, and was known for dressing in male attire. She was an advocate of democracy and free love and sexuality
1871 Victor Müller a German painter.
1872 Ambrose R. Wright a lawyer, Georgia politician, and Confederate general in the American Civil War.
1873 Francis Garnier a French officer and explorer known for his exploration of the Mekong River in Southeast Asia.
1878 Alpheus S. Williams a lawyer, judge, journalist, U.S. Congressman, and a Union general in the American Civil War
1881 Francesco Hayez an Italian painter, the leading artist of Romanticism in mid-19th-century Milan, renowned for his grand historical paintings, political allegories and exceptionally fine portraits.
1883 Karl Bogislaus Reichert a German anatomist.
1889 Friedrich August von Quenstedt a German geologist and palaeontologist.
1889 Joseph Lightfoot an English theologian and Bishop of Durham.
1890 Johanne Luise Heiberg one of the greatest Danish actresses of the 19th century. She is most famous for her work at the Royal Theatre in Copenhagen, where she achieved great success
1890 Niels Gade a Danish composer, conductor, violinist, organist and teacher. He is considered the most important Danish musician of his day
1891 George Sirian a Greek war orphan brought into the United States aboard the USS Constitution. He served in the United States Navy with distinction for over fifty years, first as an ordinary seaman, and later as a master gunner and warrant officer