Siemichów was formerly part of the German Empire. In the German Empire, the place was called Neudörfel.
The place is now called Kadłub * and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neudörfel | German Empire | Neumarkt | 1939 |
| Siemichów | Under Polish administration | Środa Śląska | 1945 |
| Kadłub * | Poland | Wrocław | 1992 |