| 38581 | April 4 | Birth | 1760 – Juan Manuel Olivares, Venezuelan organist and composer (d. 1797) |
| 38582 | April 4 | Birth | 1762 – Stephen Storace, English actor and composer (d. 1796) |
| 38583 | April 4 | Birth | 1772 – Nachman of Breslov (d. 1810) |
| 38584 | April 4 | Birth | 1780 – Edward Hicks, American minister and painter (d. 1849) |
| 38585 | April 4 | Birth | 1785 – Bettina von Arnim, German author, illustrator, and composer (d. 1859) |
| 38586 | April 4 | Birth | 1792 – Thaddeus Stevens, American lawyer and politician (d. 1868) |
| 38587 | April 4 | Birth | 1802 – Dorothea Dix, American nurse and activist (d. 1887) |
| 38588 | April 4 | Birth | 1818 – Thomas Mayne Reid, Irish-American author and poet (d. 1883) |
| 38589 | April 4 | Birth | 1819 – Maria II of Portugal (d. 1853) |
| 38590 | April 4 | Birth | 1821 – Linus Yale, Jr., American engineer and businessman (d. 1868) |
| 38591 | April 4 | Birth | 1826 – Zénobe Gramme, Belgian engineer, invented the Gramme machine (d. 1901) |
| 38592 | April 4 | Birth | 1835 – John Hughlings Jackson, English physician and neurologist (d. 1911) |
| 38593 | April 4 | Birth | 1842 – Édouard Lucas, French mathematician and theorist (d. 1891) |
| 38594 | April 4 | Birth | 1843 – William Henry Jackson, American painter and photographer (d. 1942) |
| 38595 | April 4 | Birth | 1846 – Comte de Lautréamont, Uruguayan-French poet and educator (d. 1870) |
| 38596 | April 4 | Birth | 1853 – Tad Lincoln, American son of Abraham Lincoln (d. 1871) |
| 38597 | April 4 | Birth | 1858 – Remy de Gourmont, French author, poet, and critic (d. 1915) |
| 38598 | April 4 | Birth | 1869 – Mary Colter, American architect, designed the Desert View Watchtower (d. 1958) |
| 38599 | April 4 | Birth | 1875 – Pierre Monteux, French-American viola player and conductor (d. 1964) |
| 38600 | April 4 | Birth | 1876 – Maurice de Vlaminck, French painter and poet (d. 1958) |
| 38601 | April 4 | Birth | 1878 – Stylianos Lykoudis, Greek admiral and historian (d. 1958) |
| 38602 | April 4 | Birth | 1879 – Gustav Goßler, German rower (d. 1940) |
| 38603 | April 4 | Birth | 1884 – James Alberione, Italian priest, founded the Society of St. Paul (d. 1971) |
| 38604 | April 4 | Birth | 1884 – Isoroku Yamamoto, Japanese admiral (d. 1943) |
| 38605 | April 4 | Birth | 1886 – Frank Luther Mott, American historian and journalist (d. 1964) |
| 38606 | April 4 | Birth | 1888 – Tris Speaker, American baseball player and manager (d. 1958) |
| 38607 | April 4 | Birth | 1888 – Zdzisław Żygulski, Sr., Polish historian and academic (d. 1975) |
| 38608 | April 4 | Birth | 1889 – Makhanlal Chaturvedi, Indian journalist, poet, and playwright (d. 1968) |
| 38609 | April 4 | Birth | 1895 – Arthur Murray, American dancer and educator (d. 1991) |
| 38610 | April 4 | Birth | 1896 – Robert E. Sherwood, American playwright and screenwriter (d. 1955) |