| 495 | | Pope Gelasius asserts that his authority is superior to Emperor Enanstasius. |
| 1568 | | French forces in Florida slaughter hundreds of Spanish. |
| 1855 | | Macon B. Allen becomes the first African American to be admitted to the Bar in Massachusetts. |
| 1859 | | France declares war on Austria. |
| 1863 | | The Battle of Chancellorsville rages for a second day. |
| 1865 | | President Lincoln's funeral train arrives in Springfield, Illinois. |
| 1926 | | U.S. Marines land in Nicaragua. |
| 1952 | | The first airplane lands at the geographic North Pole. |
| 1968 | | After three days of battle, the U.S. Marines retake Dai Do complex in Vietnam, only to find the North Vietnamese have evacuated the area. |
| 1971 | | James Earl Ray, Martin Luther King's assassin, is caught in a jail break attempt. |
| 1979 | | Margaret Thatcher becomes the first woman prime minister of Great Britain. |
| 1982 | | A British submarine sinks Argentina's only cruiser during the Falkland Islands War. |
|
