| date | entity | event | name |
|---|---|---|---|
| 23/10/2001 | file format | date released | RSS |
| 23/10/1956 | newspaper | date Ceased publication | Esti Budapest |
| 23/10/2008 | newspaper | date founded | Jackson Citizen Patriot |
| 23/10/1954 | nuclear weapons test | date begin | RDS-3 |
| 23/10/1918 | team | date Foundation | ASV Apeldoornse Boys |