| date | entity | event | name |
|---|---|---|---|
| 25/04/1952 | former country | data end | Württemberg-Baden |
| 25/04/1952 | former country | data end | Württemberg-Hohenzollern |
| 25/04/2009 | airplane | date First flight | Boeing P-8 Poseidon |
| 25/04/1925 | bank | date founded | FCA Bank |
| 25/04/1922 | airplane | date First flight | Stout ST |