| Answer | Crossword Clue |
|---|---|
| IRONAGE | A time in the history of mankind. |
| DOW | It closed over 5,000 for the first time in history last year |
| ERA | Time in history |
| AGE | Time in history |
| EON | Time in history |
| ERA | Time in history. |
| IRONAGE | Important time in history. |
| ERA | Significant time in history |
| ERA | Momentous time in history |
| ATOMICAGE | Explosive time in history? |
| AEON | Time in earth's history |
| ERA | Special time in history |
| ERA | Notable time in history |
| ERA | Newsworthy time in history |
| ERA | Important time in history |
| ERA | Memorable time in history |
| EDO | ... Period (time in Japanese history) |
| ICHIRO | All-time single-season hits leader in M.L.B. history (262) |
