| 12721 | February 1 | Birth | 1796 – Abraham Emanuel Fröhlich, Swiss minister, poet, and educator (d. 1865) |
| 12722 | February 1 | Birth | 1801 – Émile Littré, French lexicographer and philosopher (d. 1881) |
| 12723 | February 1 | Birth | 1820 – George Hendric Houghton, American clergyman and theologian (d. 1897) |
| 12724 | February 1 | Birth | 1836 – Emil Hartmann, Danish organist and composer (d. 1898) |
| 12725 | February 1 | Birth | 1841 – William Davenport, American magician (d. 1877) |
| 12726 | February 1 | Birth | 1844 – G. Stanley Hall, American psychologist and academic (d. 1924) |
| 12727 | February 1 | Birth | 1851 – Durham Stevens, American lawyer and diplomat (d. 1908) |
| 12728 | February 1 | Birth | 1859 – Victor Herbert, Irish-American cellist, composer, and conductor (d. 1924) |
| 12729 | February 1 | Birth | 1871 – Hellmer Hermandsen, Norwegian target shooter (d. 1958) |
| 12730 | February 1 | Birth | 1872 – Jerome F. Donovan, American lawyer and politician (d. 1949) |
| 12731 | February 1 | Birth | 1872 – Andrew Kehoe, American murderer (d. 1927) |
| 12732 | February 1 | Birth | 1873 – Joseph Allard, Canadian fiddler and composer (d. 1947) |
| 12733 | February 1 | Birth | 1873 – John Barry, Irish soldier, Victoria Cross recipient (d. 1901) |
| 12734 | February 1 | Birth | 1874 – Hugo von Hofmannsthal, Austrian author, poet, and playwright (d. 1929) |
| 12735 | February 1 | Birth | 1878 – Alfréd Hajós, Hungarian swimmer and architect, designed the Grand Hotel Aranybika (d. 1955) |
| 12736 | February 1 | Birth | 1878 – Milan Hodža, Slovak journalist and politician, 10th Prime Minister of Czechoslovakia (d. 1944) |
| 12737 | February 1 | Birth | 1882 – Louis St. Laurent, Canadian lawyer and politician, 12th Prime Minister of Canada (d. 1973) |
| 12738 | February 1 | Birth | 1884 – Bradbury Robinson, American football player and physician (d. 1949) |
| 12739 | February 1 | Birth | 1884 – Yevgeny Zamyatin, Russian journalist and author (d. 1937) |
| 12740 | February 1 | Birth | 1887 – Charles Nordhoff, English-American lieutenant, pilot, and author (d. 1947) |
| 12741 | February 1 | Birth | 1888 – Charles January, American soccer player (d. 1970) |
| 12742 | February 1 | Birth | 1890 – Nikolai Reek, Estonian general and politician, 11th Estonian Minister of War (d. 1942) |
| 12743 | February 1 | Birth | 1894 – John Ford, American director and producer (d. 1973) |
| 12744 | February 1 | Birth | 1894 – James P. Johnson, American pianist and composer (d. 1955) |
| 12745 | February 1 | Birth | 1895 – Conn Smythe, Canadian businessman (d. 1980) |
| 12746 | February 1 | Birth | 1897 – Denise Robins, English journalist and author (d. 1985) |
| 12747 | February 1 | Birth | 1898 – Leila Denmark, American pediatrician and author (d. 2012) |
| 12748 | February 1 | Birth | 1901 – Frank Buckles, American soldier (d. 2011) |
| 12749 | February 1 | Birth | 1901 – Clark Gable, American actor and singer (d. 1960) |
| 12750 | February 1 | Birth | 1902 – Therese Brandl, German concentration camp guard (d. 1947) |