| 66451 | June 10 | Birth | 1996 – Julian De La Celle, American actor |
| 66452 | June 10 | Birth | 1996 – Kristjan Ilves, Estonian skier |
| 66453 | June 10 | Birth | 2002 – Belinda Mariano, Filipino actress |
| 66454 | June 10 | Death | 323 BC – Alexander the Great, Macedonian king (b. 356 BC) |
| 66455 | June 10 | Death | 38 – Julia Drusilla, Roman sister of Caligula (b. 16 AD) |
| 66456 | June 10 | Death | 223 – Liu Bei, Chinese emperor (b. 161) |
| 66457 | June 10 | Death | 754 – Abul Abbas al-Saffah, Muslim caliph (b. 721) |
| 66458 | June 10 | Death | 1075 – Ernest, Margrave of Austria (b. 1027) |
| 66459 | June 10 | Death | 1141 – Richenza of Northeim (b. 1087) |
| 66460 | June 10 | Death | 1190 – Frederick I, Holy Roman Emperor (b. 1122) |
| 66461 | June 10 | Death | 1261 – Matilda of Brandenburg, Duchess of Brunswick-Lüneburg (b. 1210) |
| 66462 | June 10 | Death | 1364 – Agnes of Austria (b. 1281) |
| 66463 | June 10 | Death | 1403 – Konrad II the Gray, Polish son of Konrad I of Oleśnica (b. 1340) |
| 66464 | June 10 | Death | 1424 – Ernest, Duke of Austria (b. 1377) |
| 66465 | June 10 | Death | 1552 – Alexander Barclay, English poet and author (b. 1476) |
| 66466 | June 10 | Death | 1556 – Martin Agricola, German composer and theorist (b. 1486) |
| 66467 | June 10 | Death | 1607 – John Popham, English politician, Attorney General for England and Wales (b. 1531) |
| 66468 | June 10 | Death | 1654 – Alessandro Algardi, Italian sculptor (b. 1598) |
| 66469 | June 10 | Death | 1680 – Johan Göransson Gyllenstierna, Swedish lawyer and politician (b. 1635) |
| 66470 | June 10 | Death | 1692 – Bridget Bishop, Colonial Massachusetts woman hanged as a witch during the Salem witch trials (b. 1632) |
| 66471 | June 10 | Death | 1735 – Thomas Hearne, English historian and author (b. 1678) |
| 66472 | June 10 | Death | 1753 – Joachim Ludwig Schultheiss von Unfriedt, German architect (b. 1678) |
| 66473 | June 10 | Death | 1776 – Hsinbyushin, Burmese king (b. 1736) |
| 66474 | June 10 | Death | 1776 – Leopold Widhalm, Austrian instrument maker (b. 1722) |
| 66475 | June 10 | Death | 1791 – Toussaint-Guillaume Picquet de la Motte, French admiral (b. 1720) |
| 66476 | June 10 | Death | 1799 – Chevalier de Saint-Georges, Caribbean-French violinist, composer, and conductor (b. 1745) |
| 66477 | June 10 | Death | 1811 – Charles Frederick, Grand Duke of Baden (b. 1728) |
| 66478 | June 10 | Death | 1831 – Hans Karl von Diebitsch, German-Russian field marshal (b. 1785) |
| 66479 | June 10 | Death | 1836 – André-Marie Ampère, French physicist and mathematician (b. 1775) |
| 66480 | June 10 | Death | 1849 – Thomas Robert Bugeaud, French general and politician (b. 1784) |