| 1540 | | Afgan chief Sher Khan defeats Mongul Emperor Humayun at Kanauj. |
| 1630 | | Italian Jesuit Niccolo Zucchi sees the belts on Jupiter's surface. |
| 1681 | | Louis XIV sends and expedition to aid James II in Ireland. As a result, England declares war on France. |
| 1756 | | Britain declares war on France. |
| 1792 | | Merchants form the New York Stock Exchange at 70 Wall Street. |
| 1814 | | Denmark cedes Norway to Sweden. |
| 1863 | | Union General Ulysses Grant continues his push towards Vicksburg at the Battle of the Big Black River Bridge. |
| 1875 | | The first Kentucky Derby is run in Louisville. |
| 1881 | | Frederick Douglass is appointed recorder of deeds for Washington, D.C. |
| 1940 | | Germany occupies Brussels, Belgium and begins the invasion of France. |
| 1954 | | The U.S. Supreme Court unanimously rules for school integration in Brown v. Board of Education. |
| 1973 | | The Senate Watergate Committee begins its hearings. |
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