| 45361 | April 19 | Death | 1629 – Sigismondo d'India, Italian composer (b. 1582) |
| 45362 | April 19 | Death | 1686 – Antonio de Solís y Ribadeneyra, Spanish historian and playwright (b. 1610) |
| 45363 | April 19 | Death | 1689 – Christina, Queen of Sweden (b. 1626) |
| 45364 | April 19 | Death | 1733 – Elizabeth Hamilton, Countess of Orkney (b. 1655) |
| 45365 | April 19 | Death | 1739 – Nicholas Saunderson, English mathematician and academic (b. 1682) |
| 45366 | April 19 | Death | 1768 – Canaletto, Italian painter and etcher (b. 1697) |
| 45367 | April 19 | Death | 1776 – Jacob Emden, German rabbi and author (b. 1697) |
| 45368 | April 19 | Death | 1783 – Filip Lastrić, Bosnian friar and writer (b. 1700) |
| 45369 | April 19 | Death | 1791 – Richard Price, Welsh-English preacher and philosopher (b. 1723) |
| 45370 | April 19 | Death | 1813 – Benjamin Rush, American physician and educator (b. 1745) |
| 45371 | April 19 | Death | 1824 – Lord Byron, English-Scottish poet and playwright (b. 1788) |
| 45372 | April 19 | Death | 1831 – Johann Gottlieb Friedrich von Bohnenberger, German astronomer and mathematician (b. 1765) |
| 45373 | April 19 | Death | 1833 – James Gambier, 1st Baron Gambier, Bahamian-English admiral and politician, 36th Commodore Governor of Newfoundland (b. 1756) |
| 45374 | April 19 | Death | 1840 – Jean-Jacques Lartigue, Canadian bishop (b. 1777) |
| 45375 | April 19 | Death | 1854 – Robert Jameson, Scottish mineralogist and academic (b. 1774) |
| 45376 | April 19 | Death | 1881 – Benjamin Disraeli, English journalist and politician, Prime Minister of the United Kingdom (b. 1804) |
| 45377 | April 19 | Death | 1882 – Charles Darwin, English biologist and theorist (b. 1809) |
| 45378 | April 19 | Death | 1892 – Pelham Dale, English priest (b. 1821) |
| 45379 | April 19 | Death | 1893 – Martin Körber, Estonian-German pastor, composer, and conductor (b. 1817) |
| 45380 | April 19 | Death | 1901 – Alfred Horatio Belo, American publisher, founded The Dallas Morning News (b. 1839) |
| 45381 | April 19 | Death | 1906 – Pierre Curie, French physicist and academic, Nobel Prize laureate (b. 1859) |
| 45382 | April 19 | Death | 1906 – Spencer Gore, English tennis player and cricketer (b. 1850) |
| 45383 | April 19 | Death | 1914 – Charles Sanders Peirce, American mathematician and philosopher (b. 1839) |
| 45384 | April 19 | Death | 1916 – Ephraim Shay, American engineer, designed the Shay locomotive (b. 1839) |
| 45385 | April 19 | Death | 1926 – Alexander Alexandrovich Chuprov, Russian-Swiss statistician and theorist (b. 1874) |
| 45386 | April 19 | Death | 1930 – Georges-Casimir Dessaulles, Canadian businessman and politician (b. 1827) |
| 45387 | April 19 | Death | 1937 – Martin Conway, 1st Baron Conway of Allington, English cartographer and politician (b. 1856) |
| 45388 | April 19 | Death | 1937 – William Morton Wheeler, American entomologist and zoologist (b. 1865) |
| 45389 | April 19 | Death | 1941 – Johanna Müller-Hermann, Austrian composer (b. 1878) |
| 45390 | April 19 | Death | 1949 – Ulrich Salchow, Danish-Swedish figure skater (b. 1877) |