| Answer | Crossword Clue |
|---|---|
| TIMETESTED | Proven over a long period |
| EON | A long period of time |
| AEON | A very long period of time |
| PAXROMANA | Long period of stability ending circa A.D. 180 |
| LOW | Bottom price over a period |
| STATEQUARTERS | 50 different ones were released over a 10-year period starting in 1999 |
