| 42361 | April 12 | Death | 2010 – Werner Schroeter, German director and screenwriter (b. 1945) |
| 42362 | April 12 | Death | 2011 – Karim Fakhrawi, Bahraini journalist, co-founded Al-Wasat (b. 1962) |
| 42363 | April 12 | Death | 2012 – Masakre, Mexican wrestler (b. 1954) |
| 42364 | April 12 | Death | 2012 – Mohit Chattopadhyay, Indian poet and playwright (b. 1934) |
| 42365 | April 12 | Death | 2012 – Linda Cook, American actress (b. 1948) |
| 42366 | April 12 | Death | 2012 – Rodgers Grant, American pianist and composer (b. 1935) |
| 42367 | April 12 | Death | 2012 – Amy Tryon, American horse rider (b. 1970) |
| 42368 | April 12 | Death | 2013 – Robert Byrne, American chess player and author (b. 1928) |
| 42369 | April 12 | Death | 2013 – Johnny du Plooy, South African boxer (b. 1964) |
| 42370 | April 12 | Death | 2013 – Michael France, American screenwriter (b. 1962) |
| 42371 | April 12 | Death | 2013 – Brennan Manning, American priest and author (b. 1934) |
| 42372 | April 12 | Death | 2013 – Annamária Szalai, Hungarian journalist and politician (b. 1961) |
| 42373 | April 12 | Death | 2013 – William Y. Thompson, American historian and author (b. 1922) |
| 42374 | April 12 | Death | 2013 – Ya'akov Yosef, Israeli rabbi and politician (b. 1946) |
| 42375 | April 12 | Death | 2014 – Pierre Autin-Grenier, French author and poet (b. 1947) |
| 42376 | April 12 | Death | 2014 – Fred Ho, American saxophonist and composer (b. 1957) |
| 42377 | April 12 | Death | 2014 – Brita Koivunen, Finnish singer and actress (b. 1931) |
| 42378 | April 12 | Death | 2014 – Pierre-Henri Menthéour, French cyclist (b. 1960) |
| 42379 | April 12 | Death | 2014 – Maurício Alves Peruchi, Brazilian footballer (b. 1990) |
| 42380 | April 12 | Death | 2014 – Hal Smith, American baseball player and coach (b. 1931) |
| 42381 | April 12 | Death | 2014 – Billy Standridge, American race car driver (b. 1953) |
| 42382 | April 12 | Death | 2015 – Ibrahim Sulayman Muhammad Arbaysh, Saudi Arabian terrorist (b. 1979) |
| 42383 | April 12 | Death | 2015 – Paulo Brossard, Brazilian jurist and politician (b. 1924) |
| 42384 | April 12 | Death | 2015 – Patrice Dominguez, Algerian-French tennis player and trainer (b. 1950) |
| 42385 | April 12 | Death | 2015 – Alfred Eick, German commander (b. 1916) |
| 42386 | April 12 | Death | 2015 – André Mba Obame, Gabonese politician (b. 1957) |
| 42387 | April 12 | Holiday and observance | Children's Day (Bolivia and Haiti) |
| 42388 | April 12 | Holiday and observance | Christian feast day:Adoniram Judson (Episcopal Church)AlferiusBlessed Angelo Carletti di ChivassoErkembodePope Julius IZeno of VeronaApril 12 (Eastern Orthodox liturgics) |
| 42389 | April 12 | Holiday and observance | Commemoration of first human in space by Yuri Gagarin:Cosmonautics Day (Russia)International Day of Human Space Flight (International)Yuri's Night (International) |
| 42390 | April 12 | Holiday and observance | Global Day of Action on Military Spending |