| Answer | Crossword Clue |
|---|---|
| SEVERN | U.K.'s longest river |
| MISSOURI | Longest river in the U. S. |
| DEE | U.K. river |
| BYRD | Longest-serving senator in U.S. history |
| BYRD | U.S. senator with the longest tenure in history |
| BYRD | Robert ..., longest-serving senator in U.S. history (51 years) |
| DEANRUSK | U.S. secretary of state tied for the second-longest time in office |
| NIETYTHRE | Age at which Gerald Ford, the longest-lived U.S. President, died in 2006 |
