| Answer | Crossword Clue |
|---|---|
| ERA | Historical time unit |
| ANNAL | Historical unit |
| ERA | Historical unit |
| EPOCH | Historical time |
| ERA | Historical time |
| ERA | Historical time division |
| ERA | Important historical time |
| ERA | Historical time period |
| ERAS | Historical time periods |
| ERA | Historical time to remember |
| ERAL | Of a historical time |
| ERA | Historical period of time |
| ERA | Major historical time period |
| ERA | Historical time in music |
| GEOLOGIC | Like some historical time scales |
