| date | entity | event | name |
|---|---|---|---|
| 25/12/1825 | encyclical | date | Charitate Christi |
| 25/12/1942 | airport | date Opened | Norfolk Island Airport |
| 25/12/1873 | organization | date founded | Delta Gamma |
| 25/12/2014 | armed organizacion | date start activity | Levant Front |
| 25/12/2003 | space flight | date landed | Mars Express |