OPORTO
| Date | Clue |
|---|---|
| 2022-07-19 | Iberian wine city |
| 2018-10-27 | City on the Douro River |
| 2018-01-05 | City north of Lisbon |
| 2013-11-07 | City north of Lisbon |
| 2013-09-22 | Iberian wine city |
| 2010-11-05 | Iberian city that lends its name to a variety of wine |
| 2010-05-23 | Wine city north of Lisbon |
| 2000-06-22 | City north of Lisbon |
| 1998-03-01 | Portuguese city |
| 1996-02-07 | Portuguese city |
| 1995-11-24 | City north of Lisbon |
| 1994-01-02 | City north of Lisbon |