| 39781 | April 6 | Birth | 1994 – Adrián Alonso, Mexican actor |
| 39782 | April 6 | Birth | 1995 – Darya Lebesheva, Belarusian tennis player |
| 39783 | April 6 | Birth | 1995 – Ryutaro Morimoto, Japanese actor and singer (Hey! Say! JUMP) |
| 39784 | April 6 | Birth | 1998 – Peyton List, American actress |
| 39785 | April 6 | Birth | 1998 – Spencer List, American actor |
| 39786 | April 6 | Birth | 1999 – Kwesi Boakye, American actor |
| 39787 | April 6 | Birth | 2000 – CJ Adams, American actor |
| 39788 | April 6 | Death | 885 – Saint Methodius, Byzantine missionary and saint (b. 815) |
| 39789 | April 6 | Death | 1147 – Frederick II, Duke of Swabia (b. 1090) |
| 39790 | April 6 | Death | 1199 – Richard I of England (b. 1157) |
| 39791 | April 6 | Death | 1340 – Basil of Trebizond |
| 39792 | April 6 | Death | 1362 – James I, Count of La Marche (b. 1319) |
| 39793 | April 6 | Death | 1490 – Matthias Corvinus, Romanian-Hungarian husband of Beatrice of Naples (b. 1443) |
| 39794 | April 6 | Death | 1520 – Raphael, Italian painter and architect (b. 1483) |
| 39795 | April 6 | Death | 1528 – Albrecht Dürer, German painter, engraver, and mathematician (b. 1471) |
| 39796 | April 6 | Death | 1551 – Joachim Vadian, Swiss scholar and politician (b. 1484) |
| 39797 | April 6 | Death | 1571 – John Hamilton, Scottish archbishop and academic (b. 1512) |
| 39798 | April 6 | Death | 1590 – Francis Walsingham, English politician and diplomat, Chancellor of the Duchy of Lancaster (b. 1532) |
| 39799 | April 6 | Death | 1605 – John Stow, English historian and author (b. 1525) |
| 39800 | April 6 | Death | 1655 – David Blondel, French minister, historian, and scholar (b. 1591) |
| 39801 | April 6 | Death | 1676 – John Winthrop the Younger, English politician, 1st Governor of Connecticut (b. 1606) |
| 39802 | April 6 | Death | 1686 – Arthur Annesley, 1st Earl of Anglesey, Irish-English politician (b. 1614) |
| 39803 | April 6 | Death | 1707 – Willem van de Velde the Younger, Dutch-English painter (b. 1633) |
| 39804 | April 6 | Death | 1755 – Richard Rawlinson, English minister and historian (b. 1690) |
| 39805 | April 6 | Death | 1790 – Louis IX, Landgrave of Hesse-Darmstadt (b. 1719) |
| 39806 | April 6 | Death | 1825 – Vladimir Borovikovsky, Ukrainian-Russian painter and educator (b. 1757) |
| 39807 | April 6 | Death | 1829 – Niels Henrik Abel, Norwegian mathematician and theorist (b. 1802) |
| 39808 | April 6 | Death | 1833 – Adamantios Korais, Greek philosopher and scholar (b. 1748) |
| 39809 | April 6 | Death | 1838 – José Bonifácio de Andrada, Brazilian poet, academic, and politician (b. 1763) |
| 39810 | April 6 | Death | 1860 – James Kirke Paulding, American author and politician, 11th United States Secretary of the Navy (b. 1778) |