| 144361 | December 23 | Birth | 1988 – Thomai Apergi, Greek singer |
| 144362 | December 23 | Birth | 1988 – Eri Kamei, Japanese singer and actress (Morning Musume, Morning Musume Sakuragumi, and Tanpopo) |
| 144363 | December 23 | Birth | 1988 – Yuka Kashino, Japanese singer and dancer (Perfume) |
| 144364 | December 23 | Birth | 1988 – Eliana Ramos, Uruguayan model (d. 2007) |
| 144365 | December 23 | Birth | 1989 – Liis Koger, Estonian painter and poet |
| 144366 | December 23 | Birth | 1990 – Anna Maria Perez de Taglé, American actress and singer |
| 144367 | December 23 | Birth | 1992 – Jeff Schlupp, German footballer |
| 144368 | December 23 | Birth | 1993 – Ruriko Kojima, Japanese model and sportscaster |
| 144369 | December 23 | Death | 484 – Huneric, Vandal king |
| 144370 | December 23 | Death | 668 – Mor Gabriel, Turkish bishop and saint (b. 594) |
| 144371 | December 23 | Death | 679 – Dagobert II, Frankish king (b. 650) |
| 144372 | December 23 | Death | 761 – Gaubald, Frankish bishop (b. 700) |
| 144373 | December 23 | Death | 910 – Saint Naum, Bulgarian missionary and scholar (b. 830) |
| 144374 | December 23 | Death | 918 – Conrad I of Germany (b. 890) |
| 144375 | December 23 | Death | 1230 – Berengaria of Navarre (b. 1165) |
| 144376 | December 23 | Death | 1556 – Nicholas Udall, English cleric, playwright, and educator (b. 1504) |
| 144377 | December 23 | Death | 1568 – Roger Ascham, English educator and scholar (b. 1515) |
| 144378 | December 23 | Death | 1575 – Akiyama Nobutomo, Japanese samurai (b. 1531) |
| 144379 | December 23 | Death | 1588 – Henry I, Duke of Guise (b. 1550) |
| 144380 | December 23 | Death | 1631 – Michael Drayton, English poet and playwright (b. 1563) |
| 144381 | December 23 | Death | 1646 – François Maynard, French poet (b. 1582) |
| 144382 | December 23 | Death | 1652 – John Cotton, English-American minister and theologian (b. 1585) |
| 144383 | December 23 | Death | 1675 – Caesar, duc de Choiseul, French general and diplomat (b. 1602) |
| 144384 | December 23 | Death | 1722 – Pierre Varignon, French mathematician and academic (b. 1654) |
| 144385 | December 23 | Death | 1761 – Alastair Ruadh MacDonnell, Scottish spy (b. 1725) |
| 144386 | December 23 | Death | 1763 – Antoine François Prévost, French author (b. 1697) |
| 144387 | December 23 | Death | 1771 – Marie-Marguerite d'Youville, Canadian nun and saint, founded Grey Nuns (b. 1701) |
| 144388 | December 23 | Death | 1779 – Augustus Hervey, 3rd Earl of Bristol, English admiral and politician, Chief Secretary for Ireland (b. 1724) |
| 144389 | December 23 | Death | 1789 – Charles-Michel de l'Épée, French priest and educator (b. 1712) |
| 144390 | December 23 | Death | 1795 – Henry Clinton, English general and politician (b. 1730) |