| 37231 | April 1 | Birth | 1721 – Pieter Hellendaal, Dutch-English organist, violinist, and composer (d. 1799) |
| 37232 | April 1 | Birth | 1741 – George Dance the Younger, English architect and surveyor (d. 1825) |
| 37233 | April 1 | Birth | 1753 – Joseph de Maistre, French philosopher, lawyer, and diplomat (d. 1821) |
| 37234 | April 1 | Birth | 1755 – Jean Anthelme Brillat-Savarin, French lawyer and politician (d. 1826) |
| 37235 | April 1 | Birth | 1765 – Luigi Schiavonetti, Italian engraver and etcher (d. 1810) |
| 37236 | April 1 | Birth | 1776 – Sophie Germain, French mathematician, physicist, and philosopher (d. 1831) |
| 37237 | April 1 | Birth | 1815 – Otto von Bismarck, German lawyer and politician, 1st Chancellor of the German Empire (d. 1898) |
| 37238 | April 1 | Birth | 1815 – Edward Clark, American lawyer and politician, 8th Governor of Texas (d. 1880) |
| 37239 | April 1 | Birth | 1823 – Simon Bolivar Buckner, American general and politician, 30th Governor of Kentucky (d. 1891) |
| 37240 | April 1 | Birth | 1824 – Louis-Zéphirin Moreau, Canadian bishop (d. 1901) |
| 37241 | April 1 | Birth | 1834 – James Fisk, American businessman (d. 1872) |
| 37242 | April 1 | Birth | 1852 – Edwin Austin Abbey, American painter and illustrator (d. 1911) |
| 37243 | April 1 | Birth | 1856 – Acacio Gabriel Viegas, Indian physician (d. 1933) |
| 37244 | April 1 | Birth | 1865 – Richard Adolf Zsigmondy, Austrian-German chemist and academic, Nobel Prize laureate (d. 1929) |
| 37245 | April 1 | Birth | 1866 – William Blomfield, New Zealand cartoonist and politician (d. 1938) |
| 37246 | April 1 | Birth | 1866 – Ferruccio Busoni, Italian pianist, composer, and conductor (d. 1924) |
| 37247 | April 1 | Birth | 1866 – Ève Lavallière, French actress (d. 1929) |
| 37248 | April 1 | Birth | 1868 – Edmond Rostand, French poet and playwright (d. 1918) |
| 37249 | April 1 | Birth | 1868 – Walter Mead, English cricketer (d. 1954) |
| 37250 | April 1 | Birth | 1871 – F. Melius Christiansen, Norwegian-American violinist and conductor (d. 1955) |
| 37251 | April 1 | Birth | 1873 – Sergei Rachmaninoff, Russian pianist, composer, and conductor (d. 1943) |
| 37252 | April 1 | Birth | 1874 – Ernest Barnes, English mathematician and theologian (d. 1953) |
| 37253 | April 1 | Birth | 1874 – Prince Karl of Bavaria (d. 1927) |
| 37254 | April 1 | Birth | 1875 – Edgar Wallace, English journalist, author, and playwright (d. 1932) |
| 37255 | April 1 | Birth | 1879 – Stanislaus Zbyszko, Polish wrestler and strongman (d. 1967) |
| 37256 | April 1 | Birth | 1880 – Agha Petros, Assyrian general (d. 1932) |
| 37257 | April 1 | Birth | 1881 – Henri Laurent, French fencer (d. 1954) |
| 37258 | April 1 | Birth | 1882 – Paul Anspach, Belgian fencer (d. 1991) |
| 37259 | April 1 | Birth | 1883 – Lon Chaney, American actor, director, and screenwriter (d. 1930) |
| 37260 | April 1 | Birth | 1883 – Edvard Drabløs, Norwegian actor and director (d. 1976) |