| Clue | Source | Date |
|---|---|---|
| Strait between Denmark and Sweden linked by the Skagerrak with the North Sea | ||
| Strait between Denmark and Sweden | Mirror Quiz | 01 Oct 2024 |
| Strait between Sweden and Denmark | The Times Specialist Sunday | 02 Jul 2023 |
| Receive a thousand extra thanks for turning up at waterway | The Telegraph Toughie | 12 Aug 2022 |
| Strait between Sweden and Denmark | ||
| Strait between Denmark and Sweden | ||
| Strait between Sweden and Jutland. |