| 44545 | April 17 | Death | 1941 – Al Bowlly, Mozambican-English singer-songwriter and bandleader (b. 1899) |
| 44546 | April 17 | Death | 1942 – Jean Baptiste Perrin, French-American physicist and chemist, Nobel Prize laureate (b. 1870) |
| 44547 | April 17 | Death | 1944 – J. T. Hearne, English cricketer and coach (b. 1867) |
| 44548 | April 17 | Death | 1944 – Dimitrios Psarros, Greek lieutenant, founded the National and Social Liberation (b. 1893) |
| 44549 | April 17 | Death | 1948 – Suzuki Kantarō, Japanese admiral and politician, 42nd Prime Minister of Japan (b. 1868) |
| 44550 | April 17 | Death | 1954 – Lucrețiu Pătrășcanu, Romanian lawyer and politician, Romanian Minister of Justice (b. 1900) |
| 44521 | April 17 | Death | 1539 – George, Duke of Saxony (b. 1471) |
| 44522 | April 17 | Death | 1574 – Joachim Camerarius, German scholar and translator (b. 1500) |
| 44523 | April 17 | Death | 1669 – Antonio Bertali, Italian violinist and composer (b. 1605) |
| 44524 | April 17 | Death | 1680 – Kateri Tekakwitha, American saint (b. 1656) |
| 44525 | April 17 | Death | 1695 – Juana Inés de la Cruz, Mexican poet and scholar (b. 1651) |
| 44526 | April 17 | Death | 1696 – Marie de Rabutin-Chantal, marquise de Sévigné, French author (b. 1626) |
| 44527 | April 17 | Death | 1711 – Joseph I, Holy Roman Emperor (b. 1678) |
| 44528 | April 17 | Death | 1713 – David Hollatz, Polish pastor and theologian (b. 1648) |
| 44529 | April 17 | Death | 1742 – Arvid Horn, Swedish general and politician (b. 1664) |
| 44530 | April 17 | Death | 1764 – Johann Mattheson, German lexicographer and composer (b. 1681) |
| 44531 | April 17 | Death | 1790 – Benjamin Franklin, American inventor, publisher, and politician, 6th President of Pennsylvania (b. 1706) |
| 44532 | April 17 | Death | 1799 – Richard Jupp, English surveyor and architect (b. 1728) |
| 44533 | April 17 | Death | 1840 – Hannah Webster Foster, American journalist and author (b. 1758) |
| 44534 | April 17 | Death | 1843 – Samuel Morey, American engineer (b. 1762) |
| 44535 | April 17 | Death | 1882 – George Jennings, English engineer and plumber, invented the Flush toilet (b. 1810) |
| 44536 | April 17 | Death | 1888 – E. G. Squier, American archaeologist and journalist (b. 1821) |
| 44537 | April 17 | Death | 1892 – Alexander Mackenzie, Scottish-Canadian journalist and politician, 2nd Prime Minister of Canada (b. 1822) |
| 44538 | April 17 | Death | 1902 – Francis, Duke of Cádiz (b. 1822) |
| 44539 | April 17 | Death | 1921 – Manwel Dimech, Maltese journalist, author, and philosopher (b. 1860) |
| 44540 | April 17 | Death | 1923 – Laurence Ginnell, Irish lawyer and politician (b. 1852) |
| 44541 | April 17 | Death | 1930 – Alexander Golovin, Russian painter and stage designer (b. 1863) |
| 44542 | April 17 | Death | 1933 – Kote Marjanishvili, Georgian director and playwright (b. 1872) |
| 44543 | April 17 | Death | 1936 – Charles Ruijs de Beerenbrouck, Dutch lawyer and politician, 28th Prime Minister of the Netherlands (b. 1873) |
| 44544 | April 17 | Death | 1937 – Yi Sang, South Korean poet and author (b. 1910) |