Kassawe was formerly part of the German Empire. In the German Empire, the place was called Thomasort.
The place is now called Kaszowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kassawe | German Empire | Militsch | 1937 |
| Thomasort | German Empire | Militsch | 1939 |
| Kaszowo | Under Polish administration | Milicz | 1945 |
| Kaszowo | Poland | Wrocław | 1992 |