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