Clue | Source | Date |
---|---|---|
Unique events | Wall Street Journal | 22 Feb 2025 |
Unrepeated instances | New York Times | 29 Oct 2023 |
Events with a single occurrence | Universal | 22 Oct 2023 |
Unrepeated events | Newsday | 28 May 2023 |
Singular events | LA Times Daily | 22 Sep 2022 |
You won't see them again | New York Times | 04 Apr 2020 |
Custom-created products | ||
Single occurrences, at Oxford | ||
Single occurrences, at Oxford |