| 119161 | October 18 | Birth | 1875 – Len Braund, English cricketer, coach, and umpire (d. 1955) |
| 119162 | October 18 | Birth | 1878 – James Truslow Adams, American historian and author (d. 1949) |
| 119163 | October 18 | Birth | 1880 – Ze'ev Jabotinsky, Ukrainian-Russian general, journalist, and theorist (d. 1940) |
| 119164 | October 18 | Birth | 1882 – Lucien Petit-Breton, French cyclist (d. 1917) |
| 119165 | October 18 | Birth | 1887 – Takashi Sakai, Japanese general and politician, Governor of Hong Kong (d. 1946) |
| 119166 | October 18 | Birth | 1893 – Sidney Holland, New Zealand lieutenant and politician, 25th Prime Minister of New Zealand (d. 1961) |
| 119167 | October 18 | Birth | 1893 – George Ohsawa, Japanese philosopher and academic (d. 1966) |
| 119168 | October 18 | Birth | 1894 – H. L. Davis, American author and poet (d. 1960) |
| 119169 | October 18 | Birth | 1894 – Tibor Déry, Hungarian author and translator (d. 1977) |
| 119170 | October 18 | Birth | 1897 – Isabel Briggs Myers, American theorist and author (d. 1980) |
| 119171 | October 18 | Birth | 1898 – Lotte Lenya, Austrian-American singer and actress (d. 1981) |
| 119172 | October 18 | Birth | 1901 – Annette Hanshaw, American singer (d. 1985) |
| 119173 | October 18 | Birth | 1902 – Miriam Hopkins, American actress and singer (d. 1972) |
| 119174 | October 18 | Birth | 1902 – Pascual Jordan, German physicist and theorist (d. 1980) |
| 119175 | October 18 | Birth | 1903 – Lina Radke, German runner and coach (d. 1983) |
| 119176 | October 18 | Birth | 1904 – A. J. Liebling, American journalist and author (d. 1963) |
| 119177 | October 18 | Birth | 1904 – Haim Shirman, Ukrainian-Israeli scholar and academic (d. 1981) |
| 119178 | October 18 | Birth | 1905 – Jan Gies, Dutch activist (d. 1993) |
| 119179 | October 18 | Birth | 1905 – Félix Houphouët-Boigny, Ivorian union leader and politician, 1st President of Côte d'Ivoire (d. 1993) |
| 119180 | October 18 | Birth | 1906 – James Brooks, American painter and educator (d. 1992) |
| 119181 | October 18 | Birth | 1909 – Norberto Bobbio, Italian philosopher and theorist (d. 2004) |
| 119182 | October 18 | Birth | 1914 – Raymond Lambert, Swiss mountaineer (d. 1997) |
| 119183 | October 18 | Birth | 1915 – Victor Sen Yung, American actor (d. 1980) |
| 119184 | October 18 | Birth | 1918 – Molly Geertsema, Dutch lawyer and politician, Deputy Prime Minister of the Netherlands (d. 1991) |
| 119185 | October 18 | Birth | 1918 – Constantine Mitsotakis, Greek lawyer and politician, 178th Prime Minister of Greece |
| 119186 | October 18 | Birth | 1918 – Bobby Troup, American singer-songwriter, pianist, and actor (d. 1999) |
| 119187 | October 18 | Birth | 1919 – Ric Nordman, Canadian captain and politician (d. 1996) |
| 119188 | October 18 | Birth | 1919 – Anita O'Day, American singer (d. 2006) |
| 119189 | October 18 | Birth | 1919 – Pierre Trudeau, Canadian lawyer, academic, and politician, 15th Prime Minister of Canada (d. 2000) |
| 119190 | October 18 | Birth | 1919 – Camilla Williams, American soprano and educator (d. 2012) |