| date | entity | event | name |
|---|---|---|---|
| 29/04/1859 | temple | date completed | St. Mark's Church, Mercara |
| 29/04/2015 | file format | date released | 3D Manufacturing Format |
| 29/04/1990 | newspaper | date Ceased publication | La Provincia |
| 29/04/1984 | newspaper | date founded | Siraj Daily |
| 29/04/1986 | organization | date founded | Federação de Taekwondo do Paraná |