| Date | Weekday | Event |
|---|
| October 31, 1517 | Wednesday | Martin Luther posts his 95 Theses begins Protestant Reformation |
|
| October 31, 1793 | Thursday | Execution of the Girondins at Paris during the Reign of Terror. |
| October 31, 1864 | Monday | Nevada admitted as 36th state. |
| October 31, 1865 | Tuesday | William Parson 3rd Earl of Rosse & maker of large telescopes dies |
| October 31, 1922 | Tuesday | Benito Mussolini (Il Duce) becomes premier of Italy. |
| October 31, 1926 | Sunday | Erich Weiss better known as Magician Harry Houdini dies. |
| October 31, 1952 | Friday | 1st thermonuclear bomb detonated - Marshall Islands |
| October 31, 1956 | Wednesday | Bkln NY ends streetcar service |
| October 31, 1956 | Wednesday | 1st American to land by air at South Pole - GJ Dufek |
| October 31, 1959 | Saturday | Lee Harvey Oswald announces in Moscow he will never return to US |
| October 31, 1968 | Thursday | President Johnson orders a halt to all bombing of North Vietnam. |
| October 31, 1980 | Friday | Julian Nott sets world hot-air balloon altitude record (16 806 m). |