Roggern was formerly part of the German Empire. In the German Empire, the place was called Roggern.
The place is now called Rakówka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rakowka | German Empire | Schrimm | before the Versailles Treaty |
| Rakówka, Dwór | Poland | Śrem | after the Versailles Treaty |
| Roggern | German Empire | Kosten (Wartheland) | 1939 |
| Rakówka | Poland | Kościan | 1945 |
| Rakówka | Poland | Poznań | 1992 |