| Answer | Crossword Clue |
|---|---|
| EMDEN | City in Prussia. |
| THALE | City in Prussia. |
| TRIER | City in Prussia. |
| NEUSS | City in Rhenish Prussia. |
| ERFURT | City in Saxony Province, Prussia. |
| KOENIGSBERG | Key city in East Prussia. |
| TILSIT | Treaty city in Prussia, Treaty of ..., 1807. |
| TREVES | City on Moselle River, Prussia. |
| ESSEN | City acquired by Prussia, 1802 |
| ESSEN | German city that was once part of Prussia |
