| date | entity | event | name |
|---|---|---|---|
| 27/12/1989 | city | date founded | Saint-Georges-de-Clarenceville, Quebec |
| 27/12/0784 | former country | data end | Heijo-kyo |
| 27/12/1951 | newspaper | date founded | Omaha Sun |
| 27/12/1996 | team | date Foundation | Athene Moss |
| 27/12/1999 | operating system | date released | Windows Neptune |