| date | entity | event | name |
|---|---|---|---|
| 23/06/1999 | file format | date released | Adaptive Multi-Rate audio codec |
| 23/06/1977 | protected area | date founded | Gällabjer |
| 23/06/2006 | operating system | date released | Xubuntu |
| 23/06/2008 | organization | date founded | Hemispherectomy Foundation |
| 23/06/1984 | organization | date founded | Les Inconnus |