| 124111 | October 30 | Birth | 1988 – Janel Parrish, American actress and singer |
| 124112 | October 30 | Birth | 1989 – Seth Adkins, American actor |
| 124113 | October 30 | Birth | 1989 – Ashley Barnes, Austrian-English footballer |
| 124114 | October 30 | Birth | 1989 – Nastia Liukin, Russian-American gymnast and actress |
| 124115 | October 30 | Birth | 1989 – Vanessa White, English singer-songwriter and dancer (The Saturdays) |
| 124116 | October 30 | Birth | 1990 – Suwaibou Sanneh, Gambian sprinter |
| 124117 | October 30 | Birth | 1992 – MC Daleste, Brazilian rapper (d. 2013) |
| 124118 | October 30 | Birth | 1992 – Tequan Richmond, American actor and rapper |
| 124119 | October 30 | Birth | 1992 – Camila Silva, Chilean tennis player |
| 124120 | October 30 | Birth | 1993 – Marcus Mariota, American football player |
| 124121 | October 30 | Birth | 1996 – Mizuki Fukumura, Japanese singer and actress (Morning Musume and Shugo Chara Egg!) |
| 124122 | October 30 | Death | 1459 – Poggio Bracciolini, Italian scholar and translator (b. 1380) |
| 124123 | October 30 | Death | 1522 – Jean Mouton, French composer and educator (b. 1459) |
| 124124 | October 30 | Death | 1553 – Jacob Sturm von Sturmeck, German politician (b. 1489) |
| 124125 | October 30 | Death | 1602 – Jean-Jacques Boissard, French poet and illustrator (b. 1528) |
| 124126 | October 30 | Death | 1611 – Charles IX of Sweden (b. 1550) |
| 124127 | October 30 | Death | 1626 – Willebrord Snell, Dutch astronomer and mathematician (b. 1580) |
| 124128 | October 30 | Death | 1632 – Henri II de Montmorency, French admiral and politician (b. 1595) |
| 124129 | October 30 | Death | 1654 – Emperor Go-Kōmyō of Japan (b. 1633) |
| 124130 | October 30 | Death | 1680 – Antoinette Bourignon, French-Flemish mystic (b. 1616) |
| 124131 | October 30 | Death | 1685 – Michel Le Tellier, French lawyer and politician, French Secretary of State for War (b. 1603) |
| 124132 | October 30 | Death | 1730 – Nedîm, Turkish poet (b. 1681) |
| 124133 | October 30 | Death | 1757 – Osman III, Ottoman sultan (b. 1699) |
| 124134 | October 30 | Death | 1757 – Edward Vernon, English admiral and politician (b. 1684) |
| 124135 | October 30 | Death | 1809 – William Cavendish-Bentinck, 3rd Duke of Portland, English politician, Prime Minister of the United Kingdom (b. 1738) |
| 124136 | October 30 | Death | 1816 – Frederick I of Württemberg (b. 1754) |
| 124137 | October 30 | Death | 1842 – Allan Cunningham, Scottish author and poet (b. 1784) |
| 124138 | October 30 | Death | 1853 – Pietro Raimondi, Italian composer (b. 1786) |
| 124139 | October 30 | Death | 1883 – Dayananda Saraswati, Indian philosopher and scholar (b. 1824) |
| 124140 | October 30 | Death | 1883 – Robert Volkmann, German pianist and composer (b. 1815) |