| 42751 | April 13 | Death | 1925 – Frederik Buch, Danish actor and screenwriter (b. 1875) |
| 42752 | April 13 | Death | 1927 – Georg Voigt, German politician, Mayor of Frankfurt (b. 1866) |
| 42753 | April 13 | Death | 1936 – Konstantinos Demertzis, Greek politician 129th Prime Minister of Greece (b. 1876) |
| 42754 | April 13 | Death | 1938 – Grey Owl, English-Canadian environmentalist and author (b. 1888) |
| 42755 | April 13 | Death | 1941 – Annie Jump Cannon, American astronomer and academic (b. 1863) |
| 42756 | April 13 | Death | 1941 – William Twaits, Canadian soccer player (b. 1879) |
| 42757 | April 13 | Death | 1942 – Henk Sneevliet, Dutch politician (b. 1883) |
| 42758 | April 13 | Death | 1942 – Anton Uesson, Estonian engineer and politician, 17th Mayor of Tallinn (b. 1879) |
| 42759 | April 13 | Death | 1944 – Cécile Chaminade, French pianist and composer (b. 1857) |
| 42760 | April 13 | Death | 1945 – Ernst Cassirer, Polish-American philosopher and academic (b. 1874) |
| 42761 | April 13 | Death | 1954 – Samuel Jones, American high jumper (b. 1880) |
| 42762 | April 13 | Death | 1954 – Angus Lewis Macdonald, Canadian lawyer and politician, 12th Premier of Nova Scotia (b. 1890) |
| 42763 | April 13 | Death | 1956 – Emil Nolde, Danish-German painter and educator (b. 1867) |
| 42764 | April 13 | Death | 1959 – Eduard van Beinum, Dutch pianist, violinist, and conductor (b. 1901) |
| 42765 | April 13 | Death | 1961 – John A. Bennett, American soldier (b. 1935) |
| 42766 | April 13 | Death | 1962 – Culbert Olson, American lawyer and politician, 29th Governor of California (b. 1876) |
| 42767 | April 13 | Death | 1966 – Abdul Salam Arif, Iraqi colonel and politician, 2nd President of Iraq (b. 1921) |
| 42768 | April 13 | Death | 1966 – Carlo Carrà, Italian painter (b. 1881) |
| 42769 | April 13 | Death | 1966 – Georges Duhamel, French soldier and author (b. 1884) |
| 42770 | April 13 | Death | 1967 – Nicole Berger, French actress (b. 1934) |
| 42771 | April 13 | Death | 1969 – Alfred Karindi, Estonian pianist and composer (b. 1901) |
| 42772 | April 13 | Death | 1971 – Michel Brière, Canadian ice hockey player (b. 1949) |
| 42773 | April 13 | Death | 1971 – Juhan Smuul, Estonian author, poet, and screenwriter (b. 1921) |
| 42774 | April 13 | Death | 1975 – Larry Parks, American actor and singer (b. 1914) |
| 42775 | April 13 | Death | 1975 – François Tombalbaye, Chadian soldier, academic, and politician, 1st President of Chad (b. 1918) |
| 42776 | April 13 | Death | 1978 – Jack Chambers, Canadian painter and director (b. 1931) |
| 42777 | April 13 | Death | 1980 – Markus Höttinger, Austrian race car driver (b. 1956) |
| 42778 | April 13 | Death | 1980 – Karl Stegger, Danish actor and singer (b. 1913) |
| 42779 | April 13 | Death | 1983 – Gerry Hitchens, English footballer (b. 1934) |
| 42780 | April 13 | Death | 1983 – Theodore Stephanides, Greek physician, author, and poet (b. 1896) |