| 121801 | October 24 | Birth | 1990 – Kirby Bliss Blanton, American actress |
| 121802 | October 24 | Birth | 1991 – Torstein Andersen Aase, Norwegian footballer |
| 121803 | October 24 | Birth | 1991 – Marek Bednar, Slovak ice hockey player |
| 121804 | October 24 | Birth | 1991 – Bojan Dubljević, Montenegrin basketball player |
| 121805 | October 24 | Birth | 1992 – Marrion Gopez, Filipino actor, singer, and dancer |
| 121806 | October 24 | Birth | 1993 – Nabil Jeffri, Malaysian race car driver |
| 121807 | October 24 | Birth | 1994 – Krystal, American-South Korean singer, dancer, and actress (f(x) and SM the Ballad) |
| 121808 | October 24 | Birth | 1994 – Tereza Martincová, Czech tennis player |
| 121809 | October 24 | Birth | 1996 – Kyla Ross, American gymnast |
| 121810 | October 24 | Birth | 1997 – Claudia Fragapane, English gymnast |
| 121811 | October 24 | Birth | 1997 – Raúl Chávez Sarmiento, Peruvian mathematician |
| 121812 | October 24 | Death | 996 – Hugh Capet, French king (b. 938) |
| 121813 | October 24 | Death | 1260 – Qutuz, Egyptian sultan |
| 121814 | October 24 | Death | 1375 – Valdemar IV of Denmark (b. 1320) |
| 121815 | October 24 | Death | 1537 – Jane Seymour, English wife of Henry VIII of England (b. 1508) |
| 121816 | October 24 | Death | 1572 – Edward Stanley, 3rd Earl of Derby, English admiral and politician, Lord Lieutenant of Lancashire (b. 1508) |
| 121817 | October 24 | Death | 1601 – Tycho Brahe, Danish astronomer and alchemist (b. 1546) |
| 121818 | October 24 | Death | 1633 – Jean Titelouze, French organist and composer (b. 1562/3) |
| 121819 | October 24 | Death | 1655 – Pierre Gassendi, French priest, astronomer, and mathematician (b. 1592) |
| 121820 | October 24 | Death | 1669 – William Prynne, English lawyer and author (b. 1600) |
| 121821 | October 24 | Death | 1672 – John Webb, English architect and scholar (b. 1611) |
| 121822 | October 24 | Death | 1725 – Alessandro Scarlatti, Italian composer and educator (b. 1660) |
| 121823 | October 24 | Death | 1799 – Carl Ditters von Dittersdorf, Austrian violinist and composer (b. 1739) |
| 121824 | October 24 | Death | 1821 – Elias Boudinot, American lawyer and politician, 10th President of the Continental Congress (b. 1740) |
| 121825 | October 24 | Death | 1852 – Daniel Webster, American lawyer and politician, 14th United States Secretary of State (b. 1782) |
| 121826 | October 24 | Death | 1875 – Raffaello Carboni, Italian-Australian author and poet (b. 1817) |
| 121827 | October 24 | Death | 1898 – Pierre Puvis de Chavannes, French painter and illustrator (b. 1824) |
| 121828 | October 24 | Death | 1915 – Désiré Charnay, French archaeologist and photographer (b. 1828) |
| 121829 | October 24 | Death | 1917 – James Carroll Beckwith, American painter and academic (b. 1852) |
| 121830 | October 24 | Death | 1922 – George Cadbury, English businessman (b. 1839) |