| Answer | Crossword Clue |
|---|---|
| RUBICON | Caesar crossed this river. |
| RUBICON | River notably crossed by Caesar |
| RUBICON | Caesar crossed it |
| RUBICON | Caesar crossed it. |
| TRENTON | To take this, Washington crossed the Delaware. |
| BUG | Two rivers of this name crossed by German armies, 1939-1941. |
