MDCI
| Date | Clue |
|---|---|
| 2016-12-18 | The year 1601 |
| 2009-09-06 | Year the mathematician Pierre de Fermat was born |
| 2008-03-18 | Early 17th-century year |
| 1995-12-26 | Start of the 17th century |
| Date | Clue |
|---|---|
| 2016-12-18 | The year 1601 |
| 2009-09-06 | Year the mathematician Pierre de Fermat was born |
| 2008-03-18 | Early 17th-century year |
| 1995-12-26 | Start of the 17th century |