| 47821 | April 25 | Birth | 1993 – Raphaël Varane, French footballer |
| 47822 | April 25 | Birth | 1994 – Elena Ilinykh, Russian ice dancer |
| 47823 | April 25 | Birth | 1996 – Allisyn Ashley Arm, American actress |
| 47824 | April 25 | Death | 501 – Saint Rusticus, French archbishop (b. 455) |
| 47825 | April 25 | Death | 1077 – Géza I of Hungary (b. 1040) |
| 47826 | April 25 | Death | 1185 – Emperor Antoku of Japan (b. 1178) |
| 47827 | April 25 | Death | 1265 – Roger de Quincy, 2nd Earl of Winchester, medieval English nobleman Earl of Winchester (b. 1195) |
| 47828 | April 25 | Death | 1295 – Sancho IV of Castile (b. 1258) |
| 47829 | April 25 | Death | 1342 – Pope Benedict XII (b. 1285) |
| 47830 | April 25 | Death | 1397 – Thomas Holland, 2nd Earl of Kent, English noblemen and a councillor of his half-brother, King Richard II of England (b. c. 1350/4) |
| 47831 | April 25 | Death | 1472 – Leon Battista Alberti, Italian author, poet, and philosopher (b. 1404) |
| 47832 | April 25 | Death | 1516 – John Yonge, English diplomat (b. 1467) |
| 47833 | April 25 | Death | 1545 – Jobst II, Count of Hoya (b. 1493) |
| 47834 | April 25 | Death | 1566 – Diane de Poitiers, French mistress of Henry II of France (b. 1499) |
| 47835 | April 25 | Death | 1566 – Louise Labé, French poet and author (b. 1520) |
| 47836 | April 25 | Death | 1595 – Torquato Tasso, Italian poet and songwriter (b. 1544) |
| 47837 | April 25 | Death | 1644 – Chongzhen Emperor of China (b. 1611) |
| 47838 | April 25 | Death | 1660 – Henry Hammond, English cleric and theologian (b. 1605) |
| 47839 | April 25 | Death | 1690 – David Teniers the Younger, Flemish painter and educator (b. 1610) |
| 47840 | April 25 | Death | 1744 – Anders Celsius, Swedish astronomer, physicist, and mathematician (b. 1701) |
| 47841 | April 25 | Death | 1770 – Jean-Antoine Nollet, French minister, physicist, and academic (b. 1700) |
| 47842 | April 25 | Death | 1800 – William Cowper, English poet and hymn-writer (b. 1731) |
| 47843 | April 25 | Death | 1827 – Princess Charlotte of Saxe-Meiningen (b. 1751) |
| 47844 | April 25 | Death | 1840 – Siméon Denis Poisson, French mathematician and physicist (b. 1781) |
| 47845 | April 25 | Death | 1873 – Fyodor Petrovich Tolstoy, Russian painter and sculptor (b. 1783) |
| 47846 | April 25 | Death | 1875 – 12th Dalai Lama (b. 1857) |
| 47847 | April 25 | Death | 1878 – Anna Sewell, English author (b. 1820) |
| 47848 | April 25 | Death | 1891 – Nathaniel Woodard, English priest and educator (b. 1811) |
| 47849 | April 25 | Death | 1892 – Henri Duveyrier, French explorer (b. 1840) |
| 47850 | April 25 | Death | 1892 – Karl von Ditmar, Estonian-German geologist and explorer (b. 1822) |