| Clue | Source | Date |
|---|---|---|
| Kurt -, Secretary-General of the United Nations from 1972-81 (8) | Mirror Quiz | 13 Sep 2026 |
| Kurt __, former German intelligence officer who became UN secretary general (8) | The Guardian Weekend | 28 Jun 2025 |
| Kurt -, Secretary-General of the United Nations from 1972-81 | Mirror Quiz | 13 Dec 2024 |