| date | entity | event | name |
|---|---|---|---|
| 05/06/1991 | protected area | date founded | Parima Tapirapecó National Park |
| 05/06/2000 | organization | date founded | Harlem Children Society |
| 05/06/1993 | organization | date founded | Indian People's Tribunal |
| 05/06/1998 | organization | date founded | Lithuanian Electricity Association |
| 05/06/1916 | organization | date founded | National Woman's Party |