| 141421 | December 15 | Birth | 1991 – Jehue Gordon, Trinidadian hurdler |
| 141422 | December 15 | Birth | 1994 – Emma Lockhart, American actress |
| 141423 | December 15 | Birth | 1997 – Magdalena Fręch, Polish tennis player |
| 141424 | December 15 | Birth | 1997 – Zach Banks, American racing driver |
| 141425 | December 15 | Birth | 1998 – Chandler Canterbury, American actor |
| 141426 | December 15 | Death | 1025 – Basil II, Byzantine emperor (b. 958) |
| 141427 | December 15 | Death | 1072 – Alp Arslan, Turkish sultan (b. 1029) |
| 141428 | December 15 | Death | 1230 – Ottokar I of Bohemia (b. 1155) |
| 141429 | December 15 | Death | 1574 – Selim II, Ottoman sultan (b. 1524) |
| 141430 | December 15 | Death | 1598 – Philips of Marnix, Lord of Saint-Aldegonde (b. 1540) |
| 141431 | December 15 | Death | 1621 – Charles d'Albert, duc de Luynes, French courtier, Constable of France (b. 1578) |
| 141432 | December 15 | Death | 1673 – Margaret Cavendish, Duchess of Newcastle-upon-Tyne (b. 1623) |
| 141433 | December 15 | Death | 1675 – Johannes Vermeer, Dutch painter (b. 1632) |
| 141434 | December 15 | Death | 1683 – Izaak Walton, English author (b. 1593) |
| 141435 | December 15 | Death | 1688 – Gaspar Fagel, Dutch politician (b. 1634) |
| 141436 | December 15 | Death | 1715 – George Hickes, English minister and scholar (b. 1642) |
| 141437 | December 15 | Death | 1753 – Richard Boyle, 3rd Earl of Burlington, English architect, designed Chiswick House (b. 1694) |
| 141438 | December 15 | Death | 1792 – Joseph Martin Kraus, Swedish pianist, violinist, and composer (b. 1756) |
| 141439 | December 15 | Death | 1855 – Jacques Charles François Sturm, French mathematician and academic (b. 1803) |
| 141440 | December 15 | Death | 1878 – Alfred Bird, English chemist and businessman, invented baking powder (b. 1811) |
| 141441 | December 15 | Death | 1890 – Sitting Bull, American tribal chief (b. 1831) |
| 141442 | December 15 | Death | 1943 – Fats Waller, American singer-songwriter and pianist (b. 1904) |
| 141443 | December 15 | Death | 1944 – Glenn Miller, American bandleader and composer (b. 1904) |
| 141444 | December 15 | Death | 1947 – Arthur Machen, Welsh journalist and author (b. 1863) |
| 141445 | December 15 | Death | 1950 – Vallabhbhai Patel, Indian lawyer and politician, 1st Deputy Prime Minister of India (b. 1875) |
| 141446 | December 15 | Death | 1953 – Robert Stangland, American jumper (b. 1881) |
| 141447 | December 15 | Death | 1958 – Wolfgang Pauli, Austrian-Swiss physicist and academic, Nobel Prize laureate (b. 1900) |
| 141448 | December 15 | Death | 1962 – Charles Laughton, English-American actor, director, and producer (b. 1899) |
| 141449 | December 15 | Death | 1965 – M. Balasundaram, Sri Lankan journalist, lawyer, and politician (b. 1903) |
| 141450 | December 15 | Death | 1966 – Keith Arbuthnott, 15th Viscount of Arbuthnott, Scottish soldier and peer (b. 1897) |