Łęgnowo was formerly part of the German Empire. In the German Empire, the place was called Langenau (Westpr.).
The place is now called Łęgnowo (Bydgoszcz-Łęgnowo) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Langenau | German Empire | Bromberg | before the Versailles Treaty |
| Łęgnowo | Poland | Bydgoszcz | after the Versailles Treaty |
| Langenau (Westpr.) | German Empire | Bromberg | 1939 |
| Łęgnowo | Poland | Bydgoszcz | 1945 |
| Łęgnowo (Bydgoszcz-Łęgnowo) | Poland | Bydgoszcz | 1992 |