| 38971 | April 4 | Death | 2009 – Gonzalo Olave, Chilean actor (b. 1983) |
| 38972 | April 4 | Death | 2011 – Scott Columbus, American drummer (Manowar) (b. 1956) |
| 38973 | April 4 | Death | 2011 – Juliano Mer-Khamis, Israeli actor, director, and activist (b. 1958) |
| 38974 | April 4 | Death | 2012 – Muhammad Afrizal, Indonesian boxer (b. 1983) |
| 38975 | April 4 | Death | 2012 – A. Dean Byrd, American psychologist and academic (b. 1948) |
| 38976 | April 4 | Death | 2012 – Anne Karin Elstad, Norwegian author and educator (b. 1938) |
| 38977 | April 4 | Death | 2012 – Claude Miller, French director, producer, and screenwriter (b. 1942) |
| 38978 | April 4 | Death | 2012 – Dubravko Pavličić, Croatian footballer (b. 1967) |
| 38979 | April 4 | Death | 2012 – Roberto Rexach Benítez, American-Puerto Rican academic and politician, 10th President of the Senate of Puerto Rico (b. 1929) |
| 38980 | April 4 | Death | 2013 – Bengt Blomgren, Swedish actor, director, and screenwriter (b. 1923) |
| 38981 | April 4 | Death | 2013 – Roger Ebert, American journalist, critic, and screenwriter (b. 1942) |
| 38982 | April 4 | Death | 2013 – Carmine Infantino, American illustrator (b. 1925) |
| 38983 | April 4 | Death | 2013 – Eldred G. Smith, American patriarch (b. 1907) |
| 38984 | April 4 | Death | 2013 – Tommy Tycho, Hungarian-Australian pianist, composer, and conductor (b. 1928) |
| 38985 | April 4 | Death | 2013 – Ian Walsh, Australian rugby player and coach (b. 1933) |
| 38986 | April 4 | Death | 2013 – Noboru Yamaguchi, Japanese author (b. 1972) |
| 38987 | April 4 | Death | 2014 – İsmet Atlı, Turkish wrestler and trainer (b. 1931) |
| 38988 | April 4 | Death | 2014 – Wayne Henderson, American trombonist and producer (The Crusaders) (b. 1939) |
| 38989 | April 4 | Death | 2014 – Kumba Ialá, Bissau-Guinean soldier and politician, President of Guinea-Bissau (b. 1953) |
| 38990 | April 4 | Death | 2014 – Margo MacDonald Scottish journalist and politician (b. 1943) |
| 38991 | April 4 | Death | 2014 – Curtis Bill Pepper, American journalist and author (b. 1917) |
| 38992 | April 4 | Death | 2014 – Muhammad Qutb, Egyptian author and academic (b. 1919) |
| 38993 | April 4 | Death | 2015 – Jamaluddin Jarjis, Malaysian engineer and politician (b. 1951) |
| 38994 | April 4 | Death | 2015 – Elmer Lach, Canadian ice hockey player and coach (b. 1918) |
| 38995 | April 4 | Death | 2015 – Donald N. Levine, American sociologist and academic (b. 1931) |
| 38996 | April 4 | Death | 2015 – Klaus Rifbjerg, Danish author and poet (b. 1931) |
| 38997 | April 4 | Holiday and observance | Children's Day (Republic of China and Hong Kong) |
| 38998 | April 4 | Holiday and observance | Total Lunar Eclipse |
| 38999 | April 4 | Holiday and observance | Christian feast day:Benedict the MoorGaetano CatanosoIsidore of SevilleTigernach of ClonesReginald Heber (Anglican Church of Canada)Martin Luther King Jr. (Episcopal Church (USA))Zosimas of Palestine (Eastern Church)April 4 (Eastern Orthodox liturgics) |
| 39000 | April 4 | Holiday and observance | Independence Day (Senegal), celebrates the independence of Senegal from France (1960). |