| Clue | Source | Date |
|---|---|---|
| Gavrilo --, the man who assassinated Archduke Franz Ferdinand of Austria | The Telegraph General Knowledge | 15 Feb 2021 |
| Gavrilo --, assassin of Archduke Franz Ferdinand in 1914 | The Telegraph General Knowledge | 03 Aug 2020 |
| Gavrilo —, assassin of Franz Ferdinand | The Times Concise | 07 May 2015 |