| Answer | Crossword Clue |
|---|---|
| MOA | Bird gone 500 years. |
| MOA | Bird extinct for 500 years. |
| DII | 1,500 years ago |
| COLUMBUS | Navigator born 500 years ago. |
| CAMBRIAN | Time period, 500 million years ago. |
| AESOP | Writer of 2,500 years ago. |
| ETON | British school that's over 500 years old |
| ETON | Prep school that's over 500 years old |
| MMMIX | 1,500 years after the birth of Calvin |
| AGES | Middle ... (period from 500 to 1500 years ago) |
| NATIVESAXON | Person born in northwest Germany 1,500 years ago? |
| CDIII | 1,500 years before the Wright brothers' first flight |
