Słaboszewko was formerly part of the German Empire. In the German Empire, the place was called Borckau.
The place is now called Słaboszewko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Slaboszewko | German Empire | Mogilno | before the Versailles Treaty |
| Słaboszewko | Poland | Mogilno | after the Versailles Treaty |
| Borckau | German Empire | Mogilno | 1939 |
| Słaboszewko | Poland | Mogilno | 1945 |
| Słaboszewko | Poland | Bydgoszcz | 1992 |