| date | entity | event | name |
|---|---|---|---|
| 30/04/1926 | automobile | date production started | Delage 15 S8 |
| 30/04/1937 | automobile | date production started | Delahaye 145 |
| 30/04/2005 | airline | date Ceased operations | Curaçao Express |
| 30/04/1954 | airplane | date First flight | SNCASO Deltaviex |
| 30/04/1950 | airplane | date First flight | Sud-Est Grognard |
| 30/04/1980 | airplane | date First flight | Falcon 200 Gardian |
| 30/04/1919 | airplane | date First flight | Curtiss NC-4 |
| 30/04/1921 | airplane | date First flight | Marinens Flyvebaatfabrikk M.F.6 |
| 30/04/1985 | airplane | date First flight | British Aerospace Harrier II |
| 30/04/1958 | airplane | date First flight | Blackburn Buccaneer |