Sokolnik (Bz. Posen) was formerly part of the German Empire. In the German Empire, the place was called Sockelstein.
The place is now called Sokolniki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sokolnik (Bz. Posen) | German Empire | Wreschen | before the Versailles Treaty |
| Sokolniki | Poland | Września | after the Versailles Treaty |
| Sokolnik | German Empire | Wreschen | 1939 |
| Sockelstein | German Empire | Wreschen | 1939 |
| Sokolniki | Poland | Września | 1945 |
| Sokolniki | Poland | Poznań | 1992 |