| date | entity | event | name |
|---|---|---|---|
| 14/04/2009 | file format | date released | JPEG XR |
| 14/04/2009 | newspaper | date founded | Kilgore News Herald |
| 14/04/1948 | nuclear weapons test | date begin | X-Ray |
| 14/04/1903 | team | date Foundation | Aberdeen F.C. |
| 14/04/2014 | operating system | date released | Windows Phone 8.1 |