| 93601 | August 18 | Birth | 1774 – Meriwether Lewis, American soldier, explorer, and politician, co-leader of the Lewis and Clark Expedition (d. 1809) |
| 93602 | August 18 | Birth | 1792 – John Russell, 1st Earl Russell, English politician, Prime Minister of the United Kingdom (d. 1878) |
| 93603 | August 18 | Birth | 1803 – Nathan Clifford, American lawyer, jurist, and politician, 19th United States Attorney General (d. 1881) |
| 93604 | August 18 | Birth | 1819 – Grand Duchess Maria Nikolaevna of Russia (d. 1876) |
| 93605 | August 18 | Birth | 1822 – Isaac P. Rodman, American general and politician (d. 1862) |
| 93606 | August 18 | Birth | 1830 – Franz Joseph I of Austria (d. 1916) |
| 93607 | August 18 | Birth | 1831 – Ernest Noel, Scottish businessman and politician (d. 1931) |
| 93608 | August 18 | Birth | 1834 – Marshall Field, American businessman, founded Marshall Field's (d. 1906) |
| 93609 | August 18 | Birth | 1841 – William Halford, English-American lieutenant, Medal of Honor recipient (d. 1919) |
| 93610 | August 18 | Birth | 1855 – Alfred Wallis, English painter and illustrator (d. 1942) |
| 93611 | August 18 | Birth | 1857 – Libert H. Boeynaems, Belgian-American bishop and missionary (d. 1926) |
| 93612 | August 18 | Birth | 1869 – Carl Rungius, German-American painter and educator (d. 1959) |
| 93613 | August 18 | Birth | 1870 – Lavr Kornilov, Russian general and explorer (d. 1918) |
| 93614 | August 18 | Birth | 1879 – Alexander Rodzyanko, Russian general (d. 1970) |
| 93615 | August 18 | Birth | 1883 – Sidney Hatch, American runner and soldier (d. 1966) |
| 93616 | August 18 | Birth | 1885 – Nettie Palmer, Australian poet and critic (d. 1964) |
| 93617 | August 18 | Birth | 1887 – John Anthony Sydney Ritson, English rugby player, mines inspector, engineer and professor of mining (d. 1957) |
| 93618 | August 18 | Birth | 1890 – Walther Funk, German economist and politician, Reich Minister of Economics (d. 1960) |
| 93619 | August 18 | Birth | 1893 – Burleigh Grimes, American baseball player and manager (d. 1985) |
| 93620 | August 18 | Birth | 1893 – Ernest MacMillan, Canadian conductor and composer (d. 1973) |
| 93621 | August 18 | Birth | 1896 – Jack Pickford, Canadian-American actor and director (d. 1933) |
| 93622 | August 18 | Birth | 1898 – Clemente Biondetti, Italian race car driver (d. 1955) |
| 93623 | August 18 | Birth | 1902 – Adamson-Eric, Estonian painter (d. 1968) |
| 93624 | August 18 | Birth | 1902 – Margaret Murie, American environmentalist and author (d. 2003) |
| 93625 | August 18 | Birth | 1903 – Lucienne Boyer, French singer (d. 1983) |
| 93626 | August 18 | Birth | 1903 – Charlotte Klamroth, German super-centenarian (d. 2015) |
| 93627 | August 18 | Birth | 1904 – Max Factor, Jr., American businessman (d. 1996) |
| 93628 | August 18 | Birth | 1906 – Marcel Carné, French director and screenwriter (d. 1996) |
| 93629 | August 18 | Birth | 1908 – Edgar Faure, French historian and politician, 139th Prime Minister of France (d. 1988) |
| 93630 | August 18 | Birth | 1908 – Olav H. Hauge, Norwegian poet and gardener (d. 1994) |