| 39481 | April 6 | Event | 1974 – The Swedish pop band ABBA wins the Eurovision Song Contest with the song "Waterloo", launching their international career. |
| 39482 | April 6 | Event | 1979 – Student protests break out in Nepal. |
| 39483 | April 6 | Event | 1982 – Estonian Communist Party bureau declares "fight against bourgeois TV"—meaning Finnish TV—a top priority of the propagandists of Estonian SSR |
| 39484 | April 6 | Event | 1984 – Members of Cameroon's Republican Guard unsuccessfully attempt to overthrow the government headed by Paul Biya. |
| 39485 | April 6 | Event | 1994 – The Rwandan Genocide begins when the aircraft carrying Rwandan president Juvénal Habyarimana and Burundian president Cyprien Ntaryamira is shot down. |
| 39486 | April 6 | Event | 1998 – Pakistan tests medium-range missiles capable of reaching India. |
| 39487 | April 6 | Event | 1998 – Travelers Group announces an agreement to undertake the $76 billion merger between Travelers and Citicorp, and the merger is completed on October 8, of that year, forming Citibank. |
| 39488 | April 6 | Event | 2004 – Rolandas Paksas becomes the first president of Lithuania to be peacefully removed from office by impeachment. |
| 39489 | April 6 | Event | 2005 – Kurdish leader Jalal Talabani becomes Iraqi president Shiite Arab Ibrahim al-Jaafari is named premier the next day. |
| 39490 | April 6 | Event | 2008 – The 2008 Egyptian general strike starts led by Egyptian workers later to be adopted by April 6 Youth Movement and Egyptian activists. |
| 39491 | April 6 | Event | 2009 – A 6.3 magnitude earthquake strikes near L'Aquila, Italy, killing 307. |
| 39492 | April 6 | Event | 2010 – Maoist rebels kill 76 CRPF officers in Dantewada district, India. |
| 39493 | April 6 | Event | 2011 – In San Fernando, Tamaulipas, Mexico, over 193 bodies were exhumed from several mass graves made by Los Zetas. |
| 39494 | April 6 | Event | 2012 – Azawad declares itself independent from the Republic of Mali. |
| 39495 | April 6 | Birth | 1632 – Maria Leopoldine of Austria (d. 1649) |
| 39496 | April 6 | Birth | 1651 – André Dacier, French scholar and academic (d. 1722) |
| 39497 | April 6 | Birth | 1660 – Johann Kuhnau, German organist and composer (d. 1722) |
| 39498 | April 6 | Birth | 1664 – Arvid Horn, Swedish general and politician, Governor of Västerbotten County (d. 1742) |
| 39499 | April 6 | Birth | 1671 – Jean-Baptiste Rousseau, French poet and playwright (d. 1741) |
| 39500 | April 6 | Birth | 1672 – André Cardinal Destouches, French composer (d. 1749) |
| 39501 | April 6 | Birth | 1706 – Louis de Cahusac, French playwright and composer (d. 1759) |
| 39502 | April 6 | Birth | 1708 – Johann Georg Reutter, Austrian organist and composer (d. 1772) |
| 39503 | April 6 | Birth | 1725 – Pasquale Paoli, French soldier and politician (d. 1807) |
| 39504 | April 6 | Birth | 1726 – Gerard Majella, Italian saint (d. 1755) |
| 39505 | April 6 | Birth | 1741 – Nicolas Chamfort, French author and playwright (d. 1794) |
| 39506 | April 6 | Birth | 1766 – Wilhelm von Kobell, German painter and educator (d. 1853) |
| 39507 | April 6 | Birth | 1773 – James Mill, Scottish historian, economist, and philosopher (d. 1836) |
| 39508 | April 6 | Birth | 1810 – Philip Henry Gosse, English biologist and academic (d. 1888) |
| 39509 | April 6 | Birth | 1812 – Alexander Herzen, Russian philosopher and author (d. 1870) |
| 39510 | April 6 | Birth | 1815 – Robert Volkmann, German organist, composer, and conductor (d. 1883) |