Węgielnia was formerly part of the German Empire. In the German Empire, the place was called Waldtal.
The place is now called Węgielnia and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wengielno | German Empire | Neutomischel | before the Versailles Treaty |
| Węgielnia | Poland | Nowy Tomyśl | after the Versailles Treaty |
| Waldtal | German Empire | Grätz (Wartheland) | 1939 |
| Węgielnia | Poland | Nowy Tomyśl | 1945 |
| Węgielnia | Poland | Gorzów | 1992 |