| date | entity | event | name |
|---|---|---|---|
| 03/04/1993 | roller coaster | date Opened | Cosmic Coaster (Worlds of Fun) |
| 03/04/1987 | flag | date Adopted | Flag of Alcalá de Henares |
| 03/04/1974 | newspaper | date Ceased publication | Los Angeles Free Press |
| 03/04/2011 | newspaper | date founded | Katholiek Nieuwsblad |
| 03/04/1995 | conflict | data start | 1995 Ipil massacre |
| 03/04/2006 | company | date founded | LEO (website) |
| 03/04/1919 | organization | date founded | Congo |
| 03/04/1899 | organization | date founded | Dakshin Bharat Jain Sabha |
| 03/04/1912 | organization | date founded | Deutsche Gesellschaft für Luft- und Raumfahrt |
| 03/04/1964 | organization | date founded | Chinese Radio Sports Association |